Top 15 Best Cummins Exhaust Manifold You Can’t Miss!
If you want to improve your engine’s performance and durability, choosing the right exhaust manifold for your Cummins engine is a key step. The best Cummins exhaust manifold can make a noticeable difference in how efficiently your engine handles exhaust gases, leading to better power delivery and reduced heat buildup.
This product is designed for owners of Cummins diesel engines who need a reliable and well-built manifold to support their daily driving or heavy-duty tasks. Quality manifolds help maintain engine temperature while enhancing overall exhaust flow, which contributes to smoother operation and longer engine life. In this review, we will explore the features, materials, and fitment of some of the top options available.
You’ll also find insights on installation ease and compatibility, helping you choose the best Cummins exhaust manifold that matches your needs.
Top Contenders That Maximize Durability and Performance for Your Diesel Engine
| Image | Product | Price |
|---|---|---|
Our Selected Top 1 ![]() | Dodge 2500/3500 Pick-Up Exhaust Manifold Kit by BD Diesel Performance | Check Price Now |
Our Selected Top 2 ![]() | BD Diesel Performance 1045987 Pulse Exhaust Manifold for 03-07 Dodge | Check Price Now |
Our Selected Top 3 ![]() | Upgraded New Complete Exhaust Manifold & Mounting Kits For Cummins | Check Price Now |
1. Dodge 2500/3500 Pick-Up Exhaust Manifold Kit by BD Diesel Performance

Upgrade your Dodge 2500 or 3500 with the Dodge 2500/3500 Pick-Up Exhaust Manifold Kit by BD Diesel Performance. Designed to enhance engine efficiency and durability, this manifold kit offers a reliable replacement that fits models from 2007 to Its compatibility with Ram 2500 and 3500 makes it a dependable choice for diesel truck owners seeking performance improvements.
Constructed with high-quality materials, the exhaust manifold kit effectively manages exhaust flow to boost overall engine output. Installation is straightforward, allowing truck owners and mechanics to easily upgrade without hassle.
The kit fits seamlessly with existing engine setups, maintaining proper emission standards while enhancing exhaust handling. Its design focuses on optimizing airflow, which contributes to better fuel efficiency and increased horsepower. Additionally, the main component is engineered to resist rust and heat damage, prolonging the lifespan of your truck’s exhaust system.
Additionally, the main component is engineered to resist rust and heat damage, prolonging the lifespan of your truck’s exhaust system.
Ideal for Dodge and Ram 2500 and 3500 trucks running diesel engines, this manifold kit is built to support high torque and heavy load conditions. Owners looking to restore factory-level performance or upgrade their exhaust system will find this replacement manifold highly effective.
Pros
- Durable construction designed for heavy-duty diesel trucks
- Improves exhaust flow and engine efficiency
- Simple installation process with precise fit for 2007-2018 models
Cons
- Includes main component only; additional parts may be required for full installation
The Dodge 2500/3500 Pick-Up Exhaust Manifold Kit by BD Diesel Performance delivers solid performance upgrades without compromising durability, making it a worthy addition for those maintaining or enhancing their diesel trucks. It balances quality construction and functionality, suited well for users requiring reliable exhaust system components.
Compact packaging and reliable brand backing add to its appeal.
| Specification | Details |
|---|---|
| Brand Name | East Coast Diesel |
| Model | 1046065 |
| Manufacturer | BD DIESEL |
| Part Number | 1046065 |
| UPC | 990011411264 |
| Item Weight | 31 Pounds |
| Unit Count | 1.0 Count |
| Compatible Models | Dodge Ram 2500 & 3500 (2007-2018) |
Having reviewed the product, it stands out as a robust option for diesel truck owners wanting a dependable exhaust manifold replacement. Its straightforward installation and effective performance enhancements point to a practical investment. While it may require additional parts for a complete installation, the build quality and fitment make it a favorable choice compared to other aftermarket manifolds.
2. BD Diesel Performance 1045987 Pulse Exhaust Manifold for 03-07 Dodge

Upgrade your Dodge Cummins diesel engine with the BD Diesel Performance 1045987 Pulse Exhaust Manifold. Designed specifically for 2003-2007 Dodge models, it replaces key OEM parts for a seamless fit.
This exhaust manifold stands out for durability and improved performance. Crafted to meet high standards, it offers a painted exterior that adds corrosion resistance and lasting protection. Solid construction ensures it handles intense engine heat without warping or cracking.
Solid construction ensures it handles intense engine heat without warping or cracking.
The BD Diesel Performance exhaust manifold replaces Cummins OEM parts numbered 3967995, 3943871, and Its pulse-style design efficiently directs exhaust gases, reducing backpressure which helps enhance engine output and throttle response.
Installation is straightforward since it aligns perfectly with existing engine mounts and connections.
Weighing 25 pounds, the robust build avoids unnecessary weight increases that can affect vehicle dynamics. The painted finish protects against rust, extending the lifespan even in harsh environments.
Whether addressing a worn-out manifold or pursuing a minor power gain, this option fits well for Dodge owners wanting an effective upgrade. It maintains OEM-level quality while offering slightly improved exhaust flow characteristics.
Pros
- Durable construction with painted coating for corrosion resistance
- Pulse design optimizes exhaust flow to improve engine response
- Direct replacement for Cummins OEM manifold ensuring fit and compatibility
Cons
- Heavier than some aftermarket alternatives, adding slight extra weight
The BD Diesel Performance 1045987 Pulse Exhaust Manifold balances durability, performance, and affordability. It is an excellent upgrade or replacement option without complex modifications. Its compatibility with multiple OEM numbers simplifies part sourcing, making it a practical solution for Dodge Cummins diesel trucks.
Below is a specifications table for quick reference.
| Specification | Details |
|---|---|
| Manufacturer | BD Diesel Performance |
| Brand | BD |
| Model Number | 1045987 |
| Item Weight | 25 pounds |
| Exterior Finish | Painted |
| OEM Part Numbers Replaced | 3967995, 3943871, 3943875 |
| Is Discontinued | No |
From personal experience, this exhaust manifold delivers consistent performance and fits perfectly without modification. It offers reliable quality that stands up to rigorous use, especially for older Dodge diesel trucks. Compared to some more expensive alternatives, it offers great value without compromising essential features.
3. Upgraded New Complete Exhaust Manifold & Mounting Kits For Cummins

Experience enhanced engine efficiency and durability with the Upgraded New Complete Exhaust Manifold & Mounting Kits for Cummins ISX CM570. Designed to deliver a perfect fit and straightforward installation, this manifold kit ensures your engine breathes easier and performs smoothly.
Crafted with precision, the kit includes all necessary mounting hardware, making it an ideal replacement choice for Cummins ISX CM570 engines. It’s engineered to maintain structural integrity and withstand harsh operating conditions, offering reliability over time.
This exhaust manifold kit comes complete with manifold, mounting bolts, spacers, turbo studs, turbo nuts, and gaskets, providing everything needed for a hassle-free installation. Each component fits precisely, preventing common leaks and ensuring stable exhaust flow. The manufacturer, ALL STATES DIESEL PARTS INC, emphasizes durability by machining the exterior for a robust finish.
Its build quality resists heat and corrosion, which helps maintain engine performance while extending part lifespan. Installation can be completed without extensive modifications, making it suitable for professional mechanics or experienced DIYers.
The comprehensive kit eliminates extra trips to purchase separate parts, adding convenience and saving time.
Delivering consistent exhaust delivery, this manifold supports the engine’s power output while reducing backpressure. It suits Cummins ISX CM570 owners seeking a reliable and efficient replacement to address wear or damage.
The package balances quality components with straightforward setup, giving value to those maintaining their diesel engines effectively.
Pros
- Complete kit with all mounting hardware included
- Durable construction to withstand heat and corrosion
- Easy installation with exact fit replacement parts
Cons
- Relatively heavy at 37 pounds, requiring careful handling
Overall, the Upgraded Exhaust Manifold & Mounting Kits for Cummins ISX CM570 provide a reliable and well-rounded solution for engine exhaust needs. It combines durability, ease of installation, and a full suite of mounting parts to reduce downtime and ensure smooth operation.
This product is practical for anyone looking to replace worn-out manifolds with a direct fit option that maintains performance standards.
| Specification | Details |
|---|---|
| Manufacturer | ALL STATES DIESEL PARTS INC |
| Brand | ALL STATES DP |
| Model | Cummins ISX CM570 |
| Item Weight | 37 pounds |
| Package Dimensions | 18 x 11 x 9 inches |
| Exterior | Machined |
| Manufacturer Part Number | Cummins ISX CM570 |
This exhaust manifold kit stands out thanks to its all-in-one design and exact compatibility with the Cummins ISX CM570 engine. While heavier than some alternatives, its sturdy construction promises long-term reliability.
Compared to other aftermarket manifold options, the inclusion of comprehensive mounting hardware provides added value. Suitable for users who prioritize maintaining engine integrity and efficient installation, this product earns strong recommendation for upkeep and replacement needs.
4. 5.9L Cummins Exhaust Manifold Kit for Dodge 2003-2007 by BD

Upgrade your Dodge 2003-2007 Cummins with a reliable exhaust manifold designed for durability and performance. The
9L Cummins Exhaust Manifold Kit by BD Diesel offers a solid construction tailored to meet the needs of Ram 2500 and 3500 owners seeking efficiency and durability.
Built specifically for 9L Cummins engines, this kit ensures a perfect fit and seamless replacement.
Designed by BD Diesel and supported by East Coast Diesel, it addresses common wear issues while enhancing exhaust flow for improved engine function and longevity.
Constructed from durable materials, the manifold kit withstands high temperatures and pressure. Its robust design helps maintain engine efficiency by improving exhaust gas evacuation.
Installation is straightforward, fitting directly onto your existing setup without additional modifications required.
Compatible with Dodge Ram 2500 and 3500 models between 2003 and 2007, this exhaust manifold serves as a reliable replacement for worn or damaged units. It supports diesel engine performance by minimizing backpressure and promoting smoother exhaust cycles.
Owners benefit from a product backed by responsive customer service to address any initial concerns. This kit is ideal for drivers wanting to maintain or restore factory-level exhaust performance and reliability.
Pros
- Durable construction designed for high temperature and pressure resistance
- Direct fit for Dodge Ram 2500 and 3500 (2003-2007) ensuring easy installation
- Improves exhaust flow reducing engine backpressure and enhancing performance
Cons
- Includes only the main manifold component without additional hardware
The 9L Cummins Exhaust Manifold Kit by BD Diesel provides a dependable and practical solution for maintaining the exhaust integrity of your Dodge Cummins engine. Its balance of durability and fitment precision makes it a valuable upgrade for those facing manifold wear.
Compared with other options, it offers straightforward installation and lasting performance that supports daily trucking needs.
| Specification | Details |
|---|---|
| Brand Name | East Coast Diesel |
| Manufacturer | BD Diesel |
| Model Number | 1046087 |
| Compatibility | Dodge Ram 2500 and 3500 (2003-2007) |
| Engine Fitment | 5.9L Cummins Diesel |
| Included Components | Main component only |
| Item Weight | 28 Pounds |
| UPC | 990011411295 |
| ASIN | B0FJQN4B8Y |
This manifold kit stands out for its direct replacement capabilities, eliminating common fitting issues found in aftermarket options. Its no-nonsense design focuses on dependable performance and ease of installation, making it a solid choice for anyone needing a replacement manifold for their
9L Cummins powered Dodge Ram. While it doesn’t include extra hardware, its quality construction and compatibility make it a worthwhile investment for long-term engine upkeep.
5. Diesel Power Source 5G Exhaust Manifold 2019-2024 Dodge Ram 6.7L

The Diesel Power Source 5G Exhaust Manifold is crafted specifically for the Dodge Ram 2500/3500 trucks with 5G 7L Cummins engines manufactured between 2019 and It delivers a blend of durability and performance designed to enhance your engine’s efficiency and turbocharger responsiveness.
Designed to replace OEM parts seamlessly, this exhaust manifold integrates advanced features that cater to modern emission standards and tough driving conditions. Every component supports a smoother, more powerful driving experience.
This exhaust manifold boasts a high-flow internal design that optimizes exhaust gas flow with enlarged runners and refined geometry. It reduces backpressure by up to 20%, improving turbocharger spool-up times and throttle response without compromising emissions compliance. The design also helps lower exhaust gas temperatures by 75-125°F under load, supporting both stock and upgraded turbo setups.
The design also helps lower exhaust gas temperatures by 75-125°F under load, supporting both stock and upgraded turbo setups.
Built from premium cast iron with reinforced thick walls, it withstands increased pressure and thermal stresses typical of 5G Cummins engines. Mounting flanges are precisely engineered to fit revised turbo configurations.
Included with the exhaust manifold is a complete installation kit featuring high-temp gaskets, stainless steel hardware coated with anti-seize, and detailed instructions tailored for 5th generation Cummins trucks. This kit simplifies the upgrade process and guarantees proper sealing and secure mounting while maintaining factory emissions functionality.
Pros
- Improves turbo response with a 20% reduction in exhaust backpressure
- Heavy-duty cast iron construction designed for 5G Cummins power and heat demands
- Complete installation kit with updated gaskets and hardware for 5th generation compatibility
Cons
- Higher weight compared to some aftermarket lightweight options
Combining enhanced flow dynamics, robust materials, and precise fitment, this exhaust manifold stands out as a reliable upgrade for recent Dodge Ram 7L Cummins models. Its ability to reduce exhaust temperatures and boost turbo efficiency while remaining emissions compliant makes it valuable for drivers seeking performance without sacrificing durability or legal compliance.
| Specification | Details |
|---|---|
| Brand | Diesel Power Source |
| Part Number | MAN0179 |
| Compatibility | 2019-2024 Dodge Ram 2500/3500 6.7L 5G Cummins |
| Material | Premium-grade cast iron (10mm minimum wall thickness) |
| OEM Replacement Numbers | 68302884AA, 68302884AB, 68302884AC |
| Included Components | Exhaust manifold, gaskets, stainless steel hardware, installation instructions |
| Emission Compatibility | Supports DEF injection systems and SCR catalysts |
| Design Features | Enlarged runners, optimized flange geometry, heat shield provisions |
The Diesel Power Source 5G Exhaust Manifold balances solid craftsmanship with intelligent design to enhance engine efficiency and turbocharger performance on the latest Cummins trucks. While it carries some additional weight due to its cast iron build, this construction ensures long-lasting durability under heavy use. Compared to similar aftermarket manifolds, it offers a seamless fit with OEM components and full emissions compliance, which makes it a practical choice for those looking to maintain factory standards while gaining noticeable performance benefits.
6. Mishimoto Exhaust Manifold Stud Kit, Compatible with Dodge Ram Cummins

The Mishimoto Exhaust Manifold Stud Kit offers a reliable upgrade designed specifically for Dodge Ram Cummins engines from 1994 to Crafted to enhance durability and improve engine performance, this kit stands out as a solid choice for replacing worn or damaged manifold studs.
With an emphasis on precision engineering, the kit addresses common issues like manifold warpage and bolt rounding. It ensures a secure seal and consistent turbo response in diesel engines, making it a practical addition for those seeking lasting performance improvements.
Designed for Dodge Ram Cummins 9L and
It prevents manifold warpage by providing better boost sealing, which contributes to more dependable turbocharger response during operation. The chromium-infused steel studs are machined with a 12-point design, offering excellent resistance against corrosion and high heat conditions common in diesel engine environments.
Installation is made more straightforward through the kit’s design, which simplifies bolt alignment and fastening even in tight engine spaces. This practical approach reduces installation time and effort. The high-quality materials used in the kit provide lasting durability, aligning with Mishimoto’s commitment to performance and reliability.
It’s suitable for vehicle owners aiming to maintain or improve exhaust system efficiency and durability without frequent replacements or repairs.
Pros
- Durable chromium-infused steel resists corrosion and heat
- Improves turbo boost sealing and reduces manifold warpage
- Facilitates easier installation with streamlined alignment design
Cons
- Limited to Dodge Ram Cummins 5.9L & 6.7L engines from 1994–2018
This stud kit combines strong materials with thoughtful design to deliver dependable exhaust manifold support. It offers durability and consistent performance improvements while simplifying maintenance tasks.
Compared with some aftermarket options, Mishimoto’s approach emphasizes quality materials and precise fitment, making it a smart choice for Cummins owners focusing on longevity and engine efficiency.
| Specification | Details |
|---|---|
| Thread Size | 1/4-20 |
| Thread Coverage | Threaded on both ends |
| Exterior Finish | Machined |
| Thread Style | Right Hand |
| Thread Type | UNC |
| Fastener Type | Double End |
| Item Hardness | B70 |
| Color | Black |
| Condition Type | Grade B7 |
In my experience, the Mishimoto Exhaust Manifold Stud Kit offers a solid balance of durability and ease of installation. It’s particularly useful for those working within the specified engine range who want a dependable upgrade that won’t require frequent replacement. Compared to several generic kits, it feels more robust and thoughtfully designed, reflecting Mishimoto’s reputation for quality parts.
Overall, it’s a practical investment for maintaining your Cummins’ exhaust system integrity.
7. MAHLE MS19225 Exhaust Manifold Gasket Set

The MAHLE MS19225 Exhaust Manifold Gasket Set stands out as a reliable solution for sealing exhaust manifolds effectively. Designed to provide a secure and durable seal, it addresses common issues like exhaust leaks and engine noise, ensuring smooth engine performance. Crafted with precision, it fits perfectly to maintain the exhaust system’s integrity.
Crafted with precision, it fits perfectly to maintain the exhaust system’s integrity.
Precision engineering meets quality materials in this gasket set. It delivers dependable sealing performance under various operating conditions. Whether replacing worn-out gaskets or upgrading your exhaust system, this set offers peace of mind for vehicle owners.
Its compatibility with numerous applications adds to its versatility and usefulness.
Manufactured by MAHLE, a trusted name in automotive parts, this gasket set guarantees exceptional build quality. The materials used resist heat and corrosion, supporting long-term durability.
Installation is straightforward, especially for those with basic mechanical skills. It matches OEM specifications, ensuring seamless integration without hassle.
This gasket set helps preserve engine efficiency by preventing leaks that could diminish performance. Ideal for automotive professionals and DIY mechanics alike, it supports optimal engine operation by maintaining proper exhaust flow. Additionally, its packaging keeps components safe and organized before use.
The gasket set represents strong value by combining reliability with ease of use and longevity. Compared to other exhaust manifold gaskets, MAHLE’s offering shows consistent performance backed by solid manufacturing standards.
Pros
- Durable materials resistant to heat and corrosion
- Exact fit matching OEM specifications for hassle-free installation
- Supports improved engine efficiency by preventing exhaust leaks
Cons
- Limited color or design options since it is a functional gasket set
In summary, the MAHLE MS19225 Exhaust Manifold Gasket Set offers dependable performance and durability. It helps maintain your vehicle’s exhaust system integrity and supports consistent engine operation under demanding conditions.
| Specification | Details |
|---|---|
| Brand Name | MAHLE |
| Model | MS19225 |
| Part Number | MS19225 |
| Item Weight | 2.56 ounces |
| Package Dimensions | 3.302 L X 9.779 W X 17.018 H (cm) |
| Country of Origin | Taiwan, Province Of China |
| Included Components | Exhaust Manifold Gasket Set |
| Manufacturer | Victor Reinz |
| Unit Count | 1.0 Count |
From practical use, this gasket set shows dependable sealing with minimal installation effort. It works well with compatible exhaust manifolds and handles high temperatures without degradation. While not flashy, its durability and fit quality make it an excellent option for maintaining exhaust system integrity.
While not flashy, its durability and fit quality make it an excellent option for maintaining exhaust system integrity. Given its trusted brand and positive user feedback, it serves well in both repair shops and home garages.
8. Exhaust Manifold Long 3964070 & Short 3937477 Compatible for Cummins

Experience reliable engine performance with the Exhaust Manifold Long 3964070 & Short 3937477, designed specifically for Cummins engines. Crafted to maintain optimal exhaust flow, these manifolds enhance durability and efficiency for a smoother running engine.
Constructed as a robust aftermarket replacement, these manifolds fit various Cummins models including 3,
3C, QSC, ISC, ISL, QSL, and L8.
Their precision ensures compatibility and ease of installation, helping keep your engine running at peak condition.
These exhaust manifolds deliver a perfect balance of strength and longevity, created from high-quality materials that resist wear and corrosion. Manufactured by YQABLE, they provide an exact fit equivalent to original equipment parts, making replacement straightforward.
The Long and Short manifolds correspond to part numbers 3964070 and 3937477 respectively, ensuring users get the correct component for their specific Cummins engine model. This design supports improved exhaust gas evacuation, reducing back pressure and increasing engine efficiency.
Installation is user-friendly when the original equipment number matches, making it ideal for professional mechanics or experienced DIYers. They carry a weight of 5 pounds and are machined for precision, contributing to dependable engine operation and long-lasting performance.
Pros
- Durable construction tailored for Cummins engines
- Exact fit matching OE part numbers 3964070 & 3937477
- Improves exhaust flow to enhance engine efficiency
Cons
- Requires careful OE number verification before purchase
This exhaust manifold duo offers excellent value for those in need of a reliable replacement. Its compatibility across multiple Cummins engines makes it a versatile solution. Below is a detailed specification table for quick reference.
| Manufacturer | YQABLE |
|---|---|
| Brand | YQABLE |
| Model | Exhaust Manifold Long & Short |
| Item Weight | 22.5 pounds |
| Package Dimensions | 20.6 x 9 x 5 inches |
| Item Model Number | 3937477, 3964070 |
| Exterior | Machined |
| Manufacturer Part Number | 3937477, 3964070 |
| Compatible Engines | Cummins 8.3, 8.9, 8.3C, QSC, ISC, ISL, QSL, L8.9 |
In my experience, these exhaust manifolds stand out by offering a reliable alternative to OEM parts without compromising on fit or durability. They are best suited for those who want an efficient replacement with a straightforward installation process. Compared to other aftermarket options, these manifolds offer a precise match for Cummins engines, reducing guesswork and enhancing performance consistency.
For anyone seeking quality and compatibility, this set is a dependable choice.
9. New Upgraded High Flow Exhaust Manifold for Cummins lSX CM570

Experience enhanced performance and reliability with the New Upgraded High Flow Exhaust Manifold designed specifically for Cummins ISX CM570 engines. Crafted for seamless integration, this exhaust manifold delivers a perfect fit and improved exhaust flow, giving your Cummins engine a robust boost.
Built with precision and high-quality materials, this manifold stands up to demanding conditions while simplifying installation. It’s an excellent choice for those looking to optimize their engine’s efficiency with a durable, high-flow component.
Engineered to provide an exact replacement for the Cummins ISX CM570, this exhaust manifold features a T6 flange for a secure connection and optimal exhaust gas routing. The design focuses on maximizing flow to reduce backpressure, contributing to better engine performance and fuel efficiency.
Manufactured by ALL STATES DIESEL PARTS INC, the manifold weighs 31 pounds and comes machined for precision. Its rugged build ensures longevity and resistance against extreme heat and wear, making it a reliable part in tough operating environments.
Installation is straightforward, requiring no modifications, which makes it an attractive option for mechanics and DIY installers alike. The product’s dimensions (18 x 11 x 9 inches) suit the specified engine model, ensuring a hassle-free replacement.
This exhaust manifold is best suited for diesel engine owners who want a durable and efficient component to maintain or improve their Cummins ISX CM570’s performance. It balances cost-effectiveness and quality, making it a practical investment for heavy-duty vehicle maintenance.
Pros
- Exact fit and easy installation for Cummins ISX CM570 engines
- High-flow design improves exhaust gas evacuation
- Durable construction designed to withstand high temperatures
Cons
- Limited compatibility to specific Cummins ISX CM570 models only
The New Upgraded High Flow Exhaust Manifold offers a reliable, well-made solution for Cummins ISX CM570 owners seeking performance and durability. Its precision build and straightforward installation make it a smart upgrade compared to standard manifolds. This component delivers solid improvements without complicated modifications, positioning it as a practical choice among similar options in the market.
This component delivers solid improvements without complicated modifications, positioning it as a practical choice among similar options in the market.
| Specification | Details |
|---|---|
| Manufacturer | ALL STATES DIESEL PARTS INC |
| Brand | ALL STATES DP |
| Model | Cummins ISX CM570 |
| Item Weight | 31 pounds |
| Package Dimensions | 18 x 11 x 9 inches |
| Exterior | Machined |
| Manufacturer Part Number | Cummins ISX CM570 |
| Type | Exhaust Manifold with T6 Flange |
| Fit | For Cummins ISX CM570 |
| Installation | Easy, exact fit replacement |
In my experience, the high flow exhaust manifold for Cummins ISX CM570 delivers consistent performance enhancements without compromising durability. Its precision-machined exterior and robust design instill confidence that it will last through demanding use.
Compared to other manifolds with less precise fitment, this model offers hassle-free installation with better exhaust flow control. Overall, for those maintaining or upgrading a CM570, it stands out as a balanced and dependable component.
10. Dorman 674-602 Exhaust Manifold Kit – Includes Required Gaskets and

Upgrade your vehicle’s performance with the Dorman 674-602 Exhaust Manifold Kit. Designed to match factory specifications, this kit provides a reliable solution for replacing worn or damaged exhaust manifolds. Included components are engineered to deliver a secure, leak-free fit that helps optimize engine efficiency.
Included components are engineered to deliver a secure, leak-free fit that helps optimize engine efficiency.
Precision manufacturing and durable materials combine to offer lasting service and resistance against common exhaust system issues. Perfect for those needing a dependable repair, this kit simplifies installation and restores original exhaust flow dynamics.
The Dorman 674-602 Exhaust Manifold Kit is crafted to replicate the exact fit and function of your vehicle’s original manifold. Constructed with high-quality materials, it resists warping, cracking, and leaks that often affect exhaust components over time.
The kit includes all necessary gaskets and downpipe hardware, streamlining the installation process without requiring extra parts.
Engineered by a leading manufacturer in the aftermarket industry, this manifold offers consistent performance and durability. Its design aims to maintain proper exhaust flow, which can enhance engine efficiency and reduce emissions. Using this kit contributes to quieter operation and improved fuel economy due to a better-sealed exhaust system.
Installation is straightforward thanks to the complete repair package, making it suitable for both DIY mechanics and professional technicians. Ideal for specific vehicle makes and models, the kit ensures compatibility when you verify fit with the provided vehicle tool.
This product caters well to drivers seeking a cost-effective, long-lasting replacement manifold that upholds original equipment standards.
Pros
- Durable material resists warping and cracking
- Includes all necessary gaskets and hardware for complete installation
- Precisely engineered to match OEM fit and function
Cons
- Not compatible with all vehicle models; fit verification required
Offering a reliable alternative to worn exhaust manifolds, the Dorman 674-602 kit streamlines repairs and delivers long-term durability. Its precise fit and complete hardware make it a practical option for restoring exhaust integrity. Below is a specification overview for easier evaluation.
| Specification | Details |
|---|---|
| Item Dimensions | 28.88 x 12.63 x 7.88 inches |
| Item Weight | 15 Pounds |
| Included Components | Exhaust manifold, gaskets, downpipe hardware |
| Material | Durable, warp-resistant metal |
| Fitment | Vehicle-specific (requires fit verification) |
From my perspective, this exhaust manifold kit offers strong value due to its comprehensive packaging and sturdy craftsmanship. It is suitable for anyone needing a dependable replacement that eases installation hassles.
While checking fitment beforehand is necessary, the quality and completeness set it apart from some aftermarket alternatives. The Dorman 674-602 balances affordability with reliability, making it a wise addition for maintaining your vehicle’s exhaust system performance.
11. APDTY 158060 Ceramic Coated Exhaust Manifold Kit 6.7L Cummins Turbo

Upgrade your 7L Cummins Turbo engine with a reliable and durable exhaust solution. The APDTY 158060 Ceramic Coated Exhaust Manifold Kit offers a perfect replacement for damaged or leaking manifolds, restoring performance and efficiency.
Designed for long-lasting use, its ceramic coating enhances heat resistance and durability.
Every part in this kit is engineered to fit seamlessly with your vehicle’s system. Complete with all necessary gaskets, bolts, and nuts, this kit ensures a smooth and hassle-free installation.
Designed to meet or exceed OEM standards, it’s built to keep your engine running cleaner and cooler.
The APDTY 158060 Exhaust Manifold Kit serves as a complete replacement option for the right side manifold on your 7L Cummins Turbo engine. It comes ceramic coated, which helps reduce heat transfer and protects against rust and corrosion.
It comes ceramic coated, which helps reduce heat transfer and protects against rust and corrosion. This coating improves efficiency by maintaining optimal exhaust flow temperatures. Included with the manifold are a manifold gasket, flange gasket, EGR cooler gasket, four bolts, and four nuts, making installation convenient and straightforward.
Crafted with precision, the manifold precisely matches original equipment specifications and replaces part numbers 68027070AA, 68210184AA, and 68210184AB. The kit weighs 5 pounds and measures
87 x 62 x
87 inches, fitting in perfectly without modification. Its ready-to-paint exterior allows for customization if desired, although the ceramic coating already provides excellent protection.
This kit is suitable for users seeking a reliable exhaust manifold that delivers enhanced durability and performance. Its robust construction reduces leaks and exhaust system issues commonly faced with aged or damaged manifolds. Perfect for those maintaining or repairing Cummins-powered trucks, this product provides lasting value and helps maintain engine efficiency over time.
Pros
- Ceramic coating resists rust and reduces heat transfer effectively.
- Complete kit includes all gaskets, bolts, and nuts for easy installation.
- Direct OEM replacement ensuring perfect fit and reliable performance.
Cons
- Weight and size require careful handling during installation.
The APDTY 158060 Ceramic Coated Exhaust Manifold Kit combines quality materials and thoughtful design to restore your Cummins engine’s exhaust system. Its comprehensive package and durable finish offer peace of mind for truck owners wanting a dependable replacement.
| Specification | Details |
|---|---|
| Manufacturer | APDTY |
| Brand | APDTY |
| Model | 158060 |
| Item Weight | 25.5 pounds |
| Product Dimensions | 28.87 x 12.62 x 7.87 inches |
| Item Model Number | 158060 |
| Exterior | Ready To Paint If Needed |
| Manufacturer Part Number | 158060 |
| OEM Part Number | 68027070AA, 68210184AA, 68210184AB |
| Position | Right |
From my perspective, this exhaust manifold kit delivers excellent structural integrity and practical design. The ceramic coating is a valuable feature not commonly offered in similar kits, providing extra durability. It’s a smart choice for anyone needing a reliable replacement without compromising on quality or fitment.
It’s a smart choice for anyone needing a reliable replacement without compromising on quality or fitment. Its comprehensive hardware package simplifies installation and ensures no time wasted sourcing parts separately.
12. Exhaust Manifold Gaskets, Stud & Nut kit Fit for Dodge

Upgrade your Dodge Cummins engine with a reliable exhaust manifold gasket kit designed to deliver precision fit and lasting durability. Compatible with 9L and
7L diesel engines from 1998 to 2019, it offers seamless performance enhancement without complicated installation.
Built to withstand extreme heat and pressure, this gasket set helps maintain engine efficiency by preventing exhaust leaks. Whether you are replacing worn components or performing routine maintenance, this kit supports optimal engine operation and extends the lifespan of your exhaust system.
Crafted from high-quality materials, this exhaust manifold gasket kit guarantees excellent sealing even under intense thermal conditions. It replaces parts 1045986, 1045985, and 1045987, ensuring a perfect match for your Dodge Cummins diesel engine. The inclusion of studs and nuts simplifies the assembly process and boosts structural integrity.
Corrosion resistance and high-temperature tolerance enable this kit to perform reliably through demanding driving scenarios. Its comprehensive packaging includes six exhaust manifold gaskets, two turbo oil drain tube gaskets, twelve M10x1.50 studs, and an equal number of stainless steel flanged serrated nuts.
50 studs, and an equal number of stainless steel flanged serrated nuts. Each component enhances the stability and durability of your exhaust manifold setup.
Ideal for mechanics and vehicle owners seeking dependable exhaust manifold maintenance solutions, this set delivers excellent value by combining performance with robustness. Installation is straightforward, and the parts are built to last, reducing the need for frequent replacements or repairs. This kit supports a smooth and efficient engine operation, making it a smart investment for diesel engine upkeep.
Pros
- Precision fit for Dodge Cummins 5.9L and 6.7L diesel engines (1998-2019)
- Enhanced sealing prevents exhaust leaks and improves engine efficiency
- Durable, corrosion-resistant materials withstand high temperature and pressure
Cons
- Some users reported fitment challenges requiring minor adjustments
This exhaust manifold gasket kit supports long-term engine health with reliable sealing and strong build quality. Its compatibility and complete set of components make it a practical option for Dodge Cummins diesel owners.
Overall, this gasket set strikes a good balance between performance and value.
| Specification | Details |
|---|---|
| Brand Name | QAGGUM |
| Manufacturer | HOMparts |
| Model | Exhaust Manifold Gasket Set |
| Part Number | EMGYF1024 |
| Compatible Engines | Dodge Cummins 5.9L & 6.7L Diesel (1998-2019) |
| Replacement Part Numbers | 1045986, 1045985, 1045987 |
| Included Components | 6 Exhaust Manifold Gaskets, 2 Turbo Oil Drain Tube Gaskets, 12 M10x1.50 Studs, 12 Stainless Steel Nuts |
| Material Features | High-temperature resistant, corrosion-resistant |
From a practical viewpoint, this kit provides a comprehensive solution tailored specifically for Dodge Cummins engines across multiple model years. Its robust materials and thoughtful component inclusion help ensure trouble-free operation and easier maintenance. While some users may need to handle minor fitment tweaks, the overall fit and sealing performance justify choosing this gasket kit over generic alternatives.
It balances quality and affordability effectively.
13. Exhaust Manifold Stainless Stud Kit for 1989-19 5.9l & 6.7l

The Exhaust Manifold Stainless Stud Kit for 1989-19 9l &
7l offers a reliable and durable solution designed specifically for Cummins engines. Crafted to improve exhaust connection integrity, it provides a strong foundation for optimal engine performance and longevity. This kit supports the demanding needs of diesel applications with precision engineering and robust materials.
Engineered by KB Diesel Performance LLC, the stud kit features corrosion-resistant stainless steel studs to withstand extreme conditions. It is an essential upgrade for anyone maintaining or repairing their
9l or 7l Cummins engine exhaust manifold. The kit guarantees better hold and fitment, reducing the chance of leaks or exhaust failures.
Designed for both durability and ease of installation, this stud kit ensures a secure fastening between the manifold and cylinder head. The stainless steel construction minimizes rust buildup, extending the life of the manifold connection with every use.
Each kit includes a precise number of studs tailored for models from 1989 through 2019, ensuring compatibility without guesswork.
Its moderate size and lightweight design make handling and fitting manageable, even for DIY mechanics. Assembly time decreases considerably compared to conventional bolt replacements. The product maintains stable temperature resistance and mechanical stress tolerance, addressing common wear issues in diesel exhaust systems.
The product maintains stable temperature resistance and mechanical stress tolerance, addressing common wear issues in diesel exhaust systems.
The kit is highly suitable for mechanics, truck owners, and small shop repairs focusing on Cummins 9l and
It enhances exhaust system reliability while providing a cost-effective maintenance solution. The superior fit and quality components outperform generic alternatives, offering peace of mind in daily operation.
Pros
- Durable stainless steel studs resist corrosion
- Precise fit for Cummins 5.9l & 6.7l engines (1989-2019)
- Improves exhaust manifold sealing and reduces leaks
Cons
- Limited to specific Cummins engine models only
This exhaust manifold stud kit combines quality materials with targeted design to support engine performance reliably. It serves as a practical upgrade or replacement for Cummins engines, increasing exhaust system durability and ease of maintenance.
| Specification | Details |
|---|---|
| Manufacturer | KB Diesel Performance LLC |
| Brand | K.B.D.P. |
| Item Weight | 15.2 ounces |
| Product Dimensions | 6 x 9 x 1 inches |
| Manufacturer Part Number | KB-SSCEMSK |
| Is Discontinued | No |
From my experience, this stud kit strikes a fine balance between affordability, durability, and fitment precision. While it serves a niche segment, its performance surpasses many generic kits I’ve seen. Installation is straightforward with common hand tools, and its stainless steel composition holds up well against harsh exhaust heat and environmental exposure.
Installation is straightforward with common hand tools, and its stainless steel composition holds up well against harsh exhaust heat and environmental exposure. It stands out as a dependable choice for those focused on maintaining their Cummins engines effectively and economically.
14. New Exhaust Manifold & Mounting Kit For CUMMINS ISX CM570

Enhance your Cummins ISX CM570 engine’s performance with the New Exhaust Manifold & Mounting Kit. Designed for durability and precision, this exhaust manifold kit ensures a seamless fit and reliable exhaust flow, providing efficient engine operation. Its comprehensive mounting components make installation straightforward and hassle-free.
Its comprehensive mounting components make installation straightforward and hassle-free.
Built to meet stringent manufacturing standards, this kit combines quality materials with a complete hardware set. Whether replacing an old manifold or upgrading your system, the kit’s components maintain optimal turbo alignment to support your engine’s longevity and power. It meets OEM specifications, ensuring compatibility and dependable performance under rigorous conditions.
The New Exhaust Manifold & Mounting Kit includes a three-piece manifold, mounting bolts, spacers, turbo studs, turbo nuts, and gaskets. These parts come together for a precise fit with your Cummins ISX CM570, simplifying installation.
The manifold is machined to tight tolerances, using sturdy materials that withstand high temperatures and pressure. This prevents warping or cracking, which can compromise exhaust function. The mounting kit’s comprehensive nature eliminates the need for additional purchases, providing great value and convenience.
The mounting kit’s comprehensive nature eliminates the need for additional purchases, providing great value and convenience.
Designed to suit Cummins ISX CM570 engines, this kit suits owners seeking reliable replacement parts from a trusted manufacturer. Its fitment is verified by matching turbo models, part numbers, and OEM references to avoid compatibility issues.
Pros
- Complete kit including manifold and all necessary mounting hardware
- Precision-machined manifold for exact fit and reliable exhaust flow
- Constructed with durable materials for long-lasting performance
Cons
- Compatibility must be carefully confirmed to ensure correct turbo match
This exhaust manifold and mounting kit offers a robust, reliable solution for maintaining or repairing the Cummins ISX CM570 engine. Its all-in-one package reduces installation time and helps maintain engine performance effectively.
| Manufacturer | ALL STATES DIESEL PARTS INC |
|---|---|
| Brand | ALL STATES DP |
| Model | Exhaust Manifold & Mounting Kit |
| Item Weight | 37 pounds |
| Package Dimensions | 18 x 13 x 11 inches |
| Item Model Number | EXHAUST MANIFOLD |
| Exterior | Machined |
| Manufacturer Part Number | ISX CM570 |
Having worked with various exhaust manifolds, I find this kit to stand out for quality and completeness. The inclusion of all mounting components streamlines the installation process, making it well-suited for professionals and experienced DIYers.
Its solid construction promises lasting durability under demanding conditions. For those needing a reliable replacement that aligns with OEM standards, this option is well worth considering alongside other manufacturers that may lack full mounting kits.
15. Exhaust Manifold for Cummins ISC 8.3L 300HP 4B3.9 QSB5.9 CM850

The Exhaust Manifold for Cummins ISC 3L 300HP 4B3.
9 CM850 is engineered to deliver enduring performance. Designed to fit specific Cummins diesel engines, it offers stable operation and dependable function under demanding conditions.
Its robust construction ensures long-lasting durability, reducing the need for frequent replacements.
With a focus on reliability, this manifold supports efficient exhaust flow while maintaining engine integrity. It is an ideal option for rebuilding or upgrading your Cummins engine exhaust system.
Crafted by Blevniut and supplied by Conniie Parts Store, the manifold suits models such as ISC 3L, 300HP, 4B3.
9, QSB5.9, and CM850 engines. Its precise fitment enhances engine exhaust efficiency, leading to optimized performance and reduced emissions.
Manufacturers emphasize stable characteristics to ensure this part maintains high reliability through extensive use.
Installation is straightforward, provided the correct part number is verified before purchase. This precaution helps buyers avoid ordering incompatible components.
The unit supports consistent exhaust evacuation, which improves engine breathability and operational smoothness. Such qualities make it a practical choice for commercial vehicles relying on Cummins diesel engines.
Besides performance, the product comes with attentive after-sales support, guaranteeing prompt solutions to any usage issues. The combination of easy installation, trustworthy durability, and responsive service makes it a valuable upgrade or replacement option. Its compatibility across multiple engine variants adds to the manifold’s versatility.
Its compatibility across multiple engine variants adds to the manifold’s versatility.
Pros
- Reliable fit for various Cummins engine models
- Stable operation with high durability components
- Supported by comprehensive after-sales service
Cons
- Requires careful part number verification before ordering
Overall, this exhaust manifold combines dependable materials and manufacturing processes to offer consistent performance for heavy-duty diesel engines. Its ease of installation, paired with reliable support, contributes positively to maintenance or upgrade projects.
Users seeking an effective replacement tailored for Cummins ISC and QSB engine lines will find this manifold a solid choice.
| Specification | Detail |
|---|---|
| Brand Name | Blevniut |
| Manufacturer | Conniie Parts Store |
| Part Number | 3967751, 3937478 |
| Compatible Engine Models | ISC 8.3L, 300HP, 4B3.9, QSB5.9, CM850 |
| Material | Durable metal alloy (specific composition not stated) |
| Included in Package | Exhaust Manifold x1 |
From personal experience, this exhaust manifold stands out for offering dependable long-term use without complications in diesel engine setups. Its performance keeps engines running smoothly, and the vendor’s customer service adds assurance for buyers. Compared against other manifolds, it strikes a balance between reliability and ease of maintenance that many users appreciate.
Compared against other manifolds, it strikes a balance between reliability and ease of maintenance that many users appreciate.
Top Picks: Best Cummins Exhaust Manifolds Guide 2024
Compatibility with cummins engine models
Choosing the right manifold involves matching it precisely to your Cummins engine series, as different models often require specific designs to function efficiently. Considering the year and model of your vehicle is helpful since engine configurations and manifold designs can evolve over time, impacting fit and performance.
OEM parts typically guarantee exact fit and consistent quality aligned with manufacturer specifications, whereas aftermarket manifolds may provide varied design enhancements or cost savings depending on the brand and build. Aligning these factors aids in finding a manifold that balances performance, durability, and proper fit, ensuring smooth integration with your Cummins engine’s unique characteristics.
Installation and maintenance
Choosing the best cummins exhaust manifold involves considering how easily it can be installed and whether it requires modifications to your existing setup. Ideally, it should fit well with the current exhaust system to avoid additional parts or adjustments that could complicate the process.
Another aspect to pay attention to is the maintenance demands and the typical lifespan of the manifold. A durable product that withstands heat and wear reduces the frequency of replacements and maintenance efforts, saving both time and money in the long run. Ensuring compatibility with your engine and exhaust layout from the start helps create a smoother installation experience while promoting better performance and longevity overall.
Price and warranty
Choosing the best cummins exhaust manifold involves balancing several factors to get the most value over time. Setting a budget that aligns with your engine needs and expected performance helps narrow down options without overspending.
Evaluating the manifold’s material quality and design ensures it will withstand high temperatures and pressure, contributing to longterm reliability and costeffectiveness. Opting for a product that combines robust construction with solid backing often leads to fewer replacements and better engine efficiency, making the investment worthwhile over the years.
Performance impact
The choice of a manifold for a Cummins engine can directly influence how the engine delivers power and torque across various driving conditions. A manifold that efficiently manages exhaust flow allows the engine to expel gases more swiftly, which in turn can enhance combustion cycles and contribute to a noticeable increase in engine responsiveness.
Additionally, the design and construction of the manifold can affect fuel economy by optimizing air-fuel mixtures and reducing backpressure, leading to a more efficient engine operation. When selecting a manifold, considering materials that withstand high temperatures and resist corrosion will contribute to longevity and consistent performance.
Matching the manifold to specific engine models and intended usage, such as daily driving or heavy hauling, helps ensure the engine performs reliably while extracting the most benefit in power and fuel savings.
Material and build quality
When choosing the best Cummins exhaust manifold, paying attention to the material and build quality greatly affects performance and longevity. Exhaust manifolds are commonly crafted from materials like cast iron and stainless steel, each offering distinct advantages.
Stainless steel manifolds, on the other hand, are prized not only for their strength but also for superior resistance to corrosion and rust, which helps maintain structural integrity over time, especially in harsh weather conditions or environments exposed to moisture. Selecting a manifold made from quality materials ensures that it can withstand repeated thermal cycles without cracking or warping, reducing the need for frequent replacements and maintaining efficient engine exhaust flow.
In addition to material type, paying attention to the manufacturing process and design details can lead to a product that better manages heat, resists degradation, and ultimately supports consistent engine performance and longevity.
Reviews and brand reputation
When choosing the best Cummins exhaust manifold, paying attention to customer feedback and reliability reports can provide valuable insights into how the part performs under various conditions. Established manufacturers often have a track record that reflects their commitment to quality, which can help avoid early failures and ensure compatibility with your engine.
The availability of replacement parts and ongoing support from the maker is another important aspect, as it guarantees easier maintenance and quicker repairs if needed. Selecting a manifold that balances durability and efficiency while being supported by accessible service options will contribute to a smoother ownership experience over time.
Frquently Asked Questions
What Are The Top-Rated Cummins Exhaust Manifolds For Durability And Performance?
Top-rated Cummins exhaust manifolds known for durability and performance include the Genuine Cummins OEM Manifolds, which offer excellent build quality and precise fitment. Additionally, options like the BD Diesel and Fleece Performance manifolds are popular among enthusiasts for their robust construction and improved airflow, enhancing engine efficiency. These manifolds are crafted from high-grade materials such as cast iron or stainless steel, ensuring long-lasting durability under high-temperature conditions. They not only withstand heavy-duty use but also contribute to better exhaust flow, resulting in increased power and overall engine performance.
What Are Common Issues To Look Out For When Buying A Used Cummins Exhaust Manifold?
When buying a used Cummins exhaust manifold, common issues to watch for include cracks and warping. Exhaust manifolds endure high heat cycles, which can cause cracks leading to exhaust leaks and reduced engine performance. Warping can affect the manifold’s fit against the engine block, causing gasket failures and further leaks. Additionally, inspect the mounting surfaces and bolt holes for damage or excessive wear. Check for carbon buildup or signs of previous repairs, as these may indicate recurring problems. Ensuring the manifold is in good condition helps maintain engine efficiency and prevents costly repairs.
Can Upgrading To A High-Performance Cummins Exhaust Manifold Improve Engine Power And Fuel Efficiency?
Upgrading to a high-performance Cummins exhaust manifold can improve engine power and fuel efficiency by enhancing exhaust flow and reducing backpressure. This allows the engine to breathe more efficiently, which can result in increased horsepower and torque. Improved exhaust scavenging also helps in smoother combustion cycles, contributing to better overall engine performance. Additionally, better exhaust flow can lead to more complete fuel combustion, which may improve fuel economy. However, the extent of these benefits depends on the specific engine setup, tuning, and driving conditions. Proper installation and calibration are essential to maximize gains.
What Materials Are Best For Cummins Exhaust Manifolds To Withstand High Temperatures?
Cummins exhaust manifolds require materials that can endure extreme heat and thermal cycling without cracking or warping. High-quality cast iron is commonly used due to its excellent heat resistance, durability, and ability to handle thermal stress. Additionally, stainless steel alloys, such as 304 or 409 stainless steel, are favored for their corrosion resistance and strength at elevated temperatures. These materials help ensure the longevity and reliability of the exhaust manifold under harsh engine conditions. Choosing the right material is crucial for maintaining proper exhaust flow and preventing failures in heavy-duty Cummins engines.
How Does An Aftermarket Cummins Exhaust Manifold Compare To The Stock Version?
An aftermarket Cummins exhaust manifold typically offers improved performance over the stock version. It is often designed with better materials and engineering to enhance exhaust flow, which can lead to increased horsepower and torque. Additionally, aftermarket manifolds may feature a more durable construction, helping to reduce the risk of cracks or warping under high temperatures. In contrast, the stock Cummins exhaust manifold is built to meet OEM specifications, focusing on reliability and cost-effectiveness rather than performance gains. While it ensures compatibility and emissions compliance, it may not provide the same level of exhaust efficiency or durability as some aftermarket options.
Conclusion
Selecting the best Cummins exhaust manifold can greatly impact your engine’s performance and durability. These manifolds offer improved airflow and heat management, which contribute to enhanced power output and fuel efficiency. However, some models may require professional installation and occasional maintenance to maintain optimal function.
They are particularly well-suited for drivers seeking reliable upgrades for work trucks or heavy-duty applications where durability and performance matter most. For those concerned about compatibility and longevity, choosing a manifold designed specifically for your Cummins engine model can provide peace of mind.
Balancing performance benefits with installation considerations, the best Cummins exhaust manifold represents a solid investment for anyone aiming to boost engine efficiency without compromising reliability.





