3938706
Cover Plate Gasket
Cummins®

IN STOCK

Cummins®

2 are currently available

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$8.49 $10.10

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

The 3938706 Cover Plate Gasket, manufactured by Cummins, is a component designed for use in heavy-duty trucks. This gasket is integral to the engine’s operation, ensuring the sealing of various engine components. Gaskets play a significant role in maintaining the integrity of engine systems by preventing leaks and maintaining pressure within the engine 1.

Basic Concepts of Cover Plate Gaskets

A cover plate gasket is a sealing component used between two or more mating surfaces to prevent the leakage of fluids or gases. In an engine system, these gaskets are crucial for maintaining the separation between different engine compartments while allowing for the transfer of necessary fluids and gases. They are typically made from materials such as rubber, cork, paper, or metal, depending on the specific application and the environment in which they will operate 2.

Purpose of the 3938706 Cover Plate Gasket

The 3938706 Cover Plate Gasket is specifically designed to fit within the engine system of heavy-duty trucks. Its role is to create a seal between the cover plate and the engine block or other components, thereby maintaining the pressure within the engine and preventing leaks. This gasket ensures that the engine operates efficiently by keeping contaminants out and maintaining the integrity of the engine’s internal environment 3.

Key Features

The 3938706 Cover Plate Gasket features a composition that includes materials chosen for their durability and sealing capabilities. Its design specifications are tailored to fit precisely within the engine system it is intended for, ensuring a tight seal. Unique attributes of this gasket may include enhanced resistance to heat and pressure, which contribute to its performance and longevity.

Benefits

Using the 3938706 Cover Plate Gasket offers several advantages. It contributes to improved engine efficiency by ensuring a proper seal, which helps maintain engine pressure and prevent leaks. This gasket’s durability and reliability also mean that it can extend the engine’s lifespan and reduce the frequency of maintenance. Furthermore, its design facilitates easier maintenance and replacement, contributing to overall engine performance.

Installation Process

Proper installation of the 3938706 Cover Plate Gasket is vital for its effectiveness. The process involves cleaning the mating surfaces to ensure a good seal, positioning the gasket correctly, and securing it in place without damaging it. Correct installation is crucial for the gasket to perform its function optimally and to ensure the longevity of the engine component it seals 4.

Troubleshooting and Maintenance

Common issues with cover plate gaskets include leaks and failure due to wear and tear. Regular inspection and maintenance can help identify these issues early. To prolong the life of the gasket, it is important to follow manufacturer guidelines for installation and operation. When replacement is necessary, using genuine Cummins parts is recommended to ensure compatibility and performance.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the automotive industry. The company’s commitment to quality is evident in its wide range of products, including the 3938706 Cover Plate Gasket, which is designed to meet the demanding requirements of heavy-duty applications.

Cummins Cover Plate Gasket 3938706 Compatibility

The Cummins Cover Plate Gasket part number 3938706 is designed to fit seamlessly with several Cummins engine models. This gasket is crucial for ensuring a proper seal between engine components, preventing leaks and maintaining optimal engine performance.

Engine Compatibility

  • 6B5.9: The 3938706 gasket is engineered to fit the 6B5.9 engine, providing a reliable seal that is essential for the engine’s operation.

  • ISB CM550: This gasket is also compatible with the ISB CM550 engine, ensuring that the engine’s components are properly sealed and functioning as intended.

  • QSB5.9 44 CM550: The 3938706 gasket is designed to fit the QSB5.9 44 CM550 engine, offering a precise fit that is critical for the engine’s performance and longevity.

These engines, while differing in some specifications, share common design elements that allow the 3938706 gasket to be used across multiple models. This compatibility ensures that users can easily find and install the correct gasket for their specific engine needs.

Role of Part 3938706 Cover Plate Gasket in Engine Systems

The 3938706 Cover Plate Gasket is an essential component in ensuring the integrity and efficiency of various engine systems. When integrated into the Lower Engine Gasket Kit, this gasket plays a significant role in maintaining the seal between the engine block and the cover plate. This seal is vital for preventing oil leaks and ensuring that lubrication is efficiently distributed throughout the engine components.

In the context of the Pump system, particularly fuel or oil pumps, the 3938706 Cover Plate Gasket helps in maintaining the pressure integrity within the pump housing. By ensuring a tight seal, it prevents any leakage that could lead to a drop in pressure, thereby maintaining the pump’s efficiency and reliability.

When considering the Fuel Transfer system, the gasket is instrumental in sealing the connections between the fuel transfer components and the engine block or other housing units. This ensures that fuel is transferred without any leaks, maintaining the system’s efficiency and safety.

Overall, the 3938706 Cover Plate Gasket contributes to the seamless operation of these engine systems by providing reliable seals that prevent fluid leaks and maintain pressure integrity.

Conclusion

The 3938706 Cover Plate Gasket is a critical component in the maintenance and efficiency of heavy-duty truck engines. Its role in sealing various engine components ensures the prevention of leaks and the maintenance of pressure within the engine. Proper installation and regular maintenance of this gasket are essential for optimal engine performance and longevity. Cummins’ commitment to quality and innovation is reflected in the design and functionality of this gasket, making it a reliable choice for heavy-duty applications.


  1. Dempsey, Paul. Troubleshooting and Repairing Diesel Engines, 5th Edition. McGraw-Hill, 2018.

  2. Giles, Tim. Automotive Engines Diagnosis Repair and Rebuilding. Cengage Learning, 2019.

  3. Han, Zhiyu. Simulation and Optimization of Internal Combustion Engines. SAE International, 2022.

  4. Cummins Inc. QSL9 CM2350 L118, Service Manual (4388673).

SPECIFICATIONS

Package Dimensions
5.03 x 5.03 x 0.13 in
Weight
0.06 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.