3638682
Exhaust Manifold
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,599.95 $3,093.94

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 Cummins Exhaust Manifold Part #3638682 is a component designed for use in commercial trucks. It plays a role in the engine system by managing the flow of exhaust gases from the engine cylinders to the exhaust system. This part is significant for maintaining the efficiency and performance of the truck’s engine.

Basic Concepts of Exhaust Manifolds

An exhaust manifold is a part of the engine system that collects exhaust gases from the engine’s cylinders and directs them into the exhaust system. It contributes to the engine’s operation by ensuring that exhaust gases are efficiently expelled, which helps maintain engine performance and reduce emissions. The design and material of the manifold can affect how well it performs these functions 1.

Purpose of the Cummins Exhaust Manifold Part #3638682

The Cummins Exhaust Manifold Part #3638682 is specifically engineered to direct exhaust gases away from the engine in commercial trucks. It plays a role in the engine’s exhaust system by providing a pathway for these gases to travel from the cylinders to the exhaust pipe. This process is important for maintaining engine efficiency and reducing the buildup of harmful gases within the engine compartment.

Key Features

This Cummins part is constructed from high-quality materials that enhance its performance and durability. Its design includes features that improve the flow of exhaust gases, reducing backpressure and improving engine efficiency. Additionally, the manifold is designed to withstand the high temperatures and pressures associated with commercial truck engines, ensuring long-term reliability 2.

Benefits

The Cummins Exhaust Manifold Part #3638682 offers several benefits, including improved engine efficiency through optimized exhaust gas flow, reduced emissions by ensuring complete expulsion of gases from the engine, and enhanced durability due to its robust construction. These features make it a reliable choice for commercial truck applications.

Installation Considerations

Proper installation of this part is important for ensuring optimal performance and longevity. Installation procedures should follow manufacturer guidelines, including torque specifications for bolts and the use of appropriate gaskets to prevent leaks. Alignment with the engine and exhaust system is also important to ensure efficient exhaust gas flow.

Troubleshooting and Maintenance

Common issues with the Cummins Exhaust Manifold Part #3638682 may include leaks, cracks, or performance degradation over time. Regular inspection for signs of wear or damage can help identify these issues early. Maintenance practices, such as cleaning and inspecting the manifold for damage, can prolong its service life and ensure continued efficient operation.

Cummins Overview

Cummins Inc. is a well-established manufacturer with a reputation for producing high-quality automotive components. The company has a long history of innovation and commitment to excellence in the industry, making it a trusted name for commercial truck parts, including the Exhaust Manifold Part #3638682.

Cummins Exhaust Manifold 3638682 Compatibility

The Cummins Exhaust Manifold part number 3638682 is designed to fit seamlessly with several engine models, ensuring optimal performance and efficiency. This part is integral to the exhaust system, facilitating the movement of exhaust gases from the engine cylinders to the exhaust pipe.

K38 Engines

The K38 series engines are known for their robust design and reliability, commonly used in heavy-duty applications. The Exhaust Manifold 3638682 is specifically engineered to match the K38 engines, providing a precise fit that enhances exhaust flow and reduces back pressure. This ensures that the engine operates at peak efficiency, contributing to better fuel economy and reduced emissions.

Grouping by Application

While the K38 engines are a primary fit for the Exhaust Manifold 3638682, it is also compatible with other Cummins engines that share similar design characteristics and exhaust system configurations. This compatibility extends to various industrial and commercial applications where these engines are utilized, including construction equipment, agricultural machinery, and power generation units.

Installation and Performance

Proper installation of the Exhaust Manifold 3638682 is crucial for maintaining the integrity of the exhaust system. It should be securely fastened to the engine block, ensuring a tight seal to prevent leaks. The manifold’s design allows for efficient heat dissipation, which is vital for the longevity of the engine components.

By integrating the Exhaust Manifold 3638682 into the engine system, users can expect improved performance metrics, including enhanced power output and smoother operation. This part’s compatibility with multiple engine models underscores its versatility and importance in maintaining the overall health of the engine.

Role of Part 3638682 Exhaust Manifold in Engine Systems

The Exhaust Manifold, specifically part 3638682, is integral to the efficient operation of an engine system. It serves as a conduit that collects exhaust gases from the engine’s cylinders and directs them towards the exhaust system. This part is designed to handle high temperatures and pressures, ensuring that the gases are expelled smoothly and efficiently.

In an engine arrangement that includes a turbocharger, the Exhaust Manifold plays a significant role. The turbocharger relies on the flow of exhaust gases to spin its turbine, which in turn compresses the intake air, enhancing engine performance. The Exhaust Manifold must be precisely engineered to maintain the correct pressure and temperature conditions necessary for optimal turbocharger operation.

Furthermore, the Exhaust Manifold is connected to the main Exhaust system, which includes components like the catalytic converter and the muffler. Its design affects the backpressure in the system, which can influence engine performance and emissions. A well-designed Exhaust Manifold ensures that exhaust gases are expelled with minimal resistance, contributing to better fuel efficiency and reduced emissions 3.

Conclusion

In summary, the Cummins Exhaust Manifold Part #3638682 is a key component in the engine system, facilitating the efficient transfer of exhaust gases and supporting the operation of other critical components like the turbocharger and the overall Exhaust system. Its design, compatibility, and role in engine performance make it an essential part for commercial truck applications.


  1. TK Garrett, K Newton, W Steeds, The Motor Vehicle, Reed Educational and Professional Publishing Ltd, 2001.

  2. P. A. Lakshminarayanan, Avinash Kumar Agarwal, Design and Development of Heavy Duty Diesel Engines: A Handbook, Springer, 2019.

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

SPECIFICATIONS

Package Dimensions
42.0 x 24.0 x 17.5 in
Weight
8.98 lb
* 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.