4936630
Exhaust Manifold
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$234.95 $279.59

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Exhaust Manifold Assembly 4936630, a component manufactured by Cummins, is essential for the operation of heavy-duty truck engines. This assembly facilitates the efficient management of exhaust gases, contributing to engine performance and longevity.

Basic Concepts of Exhaust Manifold Assemblies

An exhaust manifold assembly collects exhaust gases from the engine’s cylinders and directs them into the exhaust system. This process reduces backpressure and improves engine performance by ensuring smooth gas flow 1.

Purpose of the Exhaust Manifold Assembly 4936630

This Cummins part efficiently directs exhaust gases away from the engine, aiding in maintaining engine efficiency and reducing the risk of overheating 2.

Key Features of the Exhaust Manifold Assembly 4936630

The Exhaust Manifold Assembly 4936630 is made from high-grade cast iron or stainless steel, ensuring durability and resistance to high temperatures. Its design optimizes the flow of exhaust gases, enhancing performance and longevity 3.

Benefits of Using the Exhaust Manifold Assembly 4936630

Utilizing this part offers several advantages, including improved engine efficiency, reduced emissions through efficient gas management, and enhanced durability due to its high-quality material and design.

Installation and Compatibility

Proper installation of the Exhaust Manifold Assembly 4936630 is vital for optimal performance. It requires careful alignment with the engine’s exhaust ports and secure fastening to prevent leaks. Compatibility with various truck models should be verified to ensure seamless integration into the existing exhaust system.

Maintenance and Troubleshooting

Regular inspections of the Exhaust Manifold Assembly 4936630 are recommended to check for signs of wear, cracks, or leaks. Common issues include gasket failure and corrosion, which can be addressed through timely repairs or replacements. Troubleshooting may involve checking for proper sealing and ensuring there are no obstructions in the exhaust path.

Performance Enhancements

The Exhaust Manifold Assembly 4936630 contributes to overall engine performance by ensuring efficient exhaust gas expulsion. Potential upgrades or modifications, such as high-flow designs or materials with better thermal properties, can further optimize its function and enhance engine performance.

Environmental Impact

The Exhaust Manifold Assembly 4936630 plays a role in reducing emissions by efficiently managing exhaust gases. This contributes to environmental sustainability within the trucking industry by minimizing the release of harmful pollutants.

Compatibility with ISB Engines

This part is compatible with several ISB engines, including ISB (Chrysler) and ISB CM850. These engines benefit from the robust design and high-quality materials of the 4936630 part, ensuring optimal performance and longevity. The manifold’s design allows for effective heat management, which is crucial for maintaining engine efficiency and reducing wear.

Installation and Functionality

When installed, the Exhaust Manifold Assembly 4936630 connects the engine’s exhaust ports to the exhaust pipe. This connection is vital for the expulsion of exhaust gases, which is a key part of the engine’s combustion process. The manifold’s design ensures that the exhaust gases flow smoothly, minimizing back pressure and enhancing engine performance.

Importance in Engine Performance

The Exhaust Manifold Assembly plays a significant role in the overall performance of the engine. By efficiently managing the flow of exhaust gases, it helps to improve engine efficiency, reduce emissions, enhance power output, and extend engine life.

Role in Engine Systems

The Exhaust Manifold Assembly, identified by part number 4936630, is integral to the efficient operation of various engine components. It serves as a conduit that collects exhaust gases from the engine’s cylinders and directs them towards the exhaust system.

In an engine arrangement, the Exhaust Manifold Assembly is positioned to interface directly with the cylinder head. This placement ensures that exhaust gases are effectively channeled away from the combustion chambers, reducing back pressure and enhancing engine performance. The assembly is engineered to withstand high temperatures and pressures, ensuring durability and reliability in demanding engine environments.

When integrated with a turbocharger system, the Exhaust Manifold Assembly plays a significant role in optimizing turbocharger efficiency. The design of the manifold affects the flow of exhaust gases, which in turn influences the turbocharger’s ability to compress intake air. A well-designed manifold ensures a smooth and consistent flow of exhaust gases, which is essential for maintaining the turbocharger’s performance and responsiveness.

The Exhaust Manifold Assembly also contributes to the overall thermal management of the engine. By efficiently routing exhaust gases, it helps in maintaining optimal operating temperatures, which is vital for the longevity and performance of both the engine and the turbocharger.

Conclusion

The Exhaust Manifold Assembly 4936630 is a key component that facilitates the effective management of exhaust gases, supports turbocharger functionality, and contributes to the thermal efficiency of the engine system. Its robust design, high-quality materials, and precise engineering make it an essential part for maintaining and enhancing engine performance.


  1. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

  2. Bartz, Wilfried J. Engine Oils and Automotive Lubrication Mechanical Engineering Book 80. CRC Press, 2019.

  3. Xin, Qianfan. Diesel Engine System Design. Woodhead Publishing Limited, 2011.

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SPECIFICATIONS

Package Dimensions
32.38 x 8.18 x 9.75 in
Weight
24.68 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.