4086108
Valve Cover Gasket
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$239.95 $285.54

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 Valve Cover Gasket 4086108, produced by Cummins, is a critical component for heavy-duty truck engines. Cummins, a prominent entity in the commercial truck industry, designs this gasket to meet the rigorous demands of truck engines. This part ensures the integrity and efficiency of the engine by providing a reliable seal between the valve cover and the cylinder head.

Basic Concepts of Valve Cover Gaskets

A Valve Cover Gasket is a sealing component situated between the valve cover and the cylinder head of an engine. Its primary role is to create a seal that prevents oil leaks from the valve train area while also keeping contaminants out of the engine. The gasket must withstand varying temperatures and pressures, making its material and design essential for engine performance and longevity 1.

Purpose of the 4086108 Valve Cover Gasket

The 4086108 Valve Cover Gasket is engineered to seal the valve cover in truck engines. This sealing action is vital for preventing oil leaks, which can lead to engine damage and decreased performance. Additionally, it helps maintain engine cleanliness and efficiency by keeping dirt and other contaminants away from the engine’s internal components 2.

Key Features

The 4086108 Valve Cover Gasket features several attributes that enhance its performance and durability. These include a material composition designed to withstand high temperatures and pressures, a design that ensures a tight seal, and adherence to stringent manufacturing standards. These features contribute to the gasket’s ability to provide reliable sealing over extended periods of use.

Benefits of Using the 4086108 Valve Cover Gasket

Utilizing the 4086108 Valve Cover Gasket offers several advantages. It contributes to improved engine performance by ensuring a secure seal, which prevents oil loss and contamination. Its durability and reliability make it suitable for heavy-duty applications, where engines operate under extreme conditions. The gasket’s quality construction also aids in extending the engine’s lifespan by maintaining optimal operating conditions 3.

Troubleshooting and Maintenance

Common issues with Valve Cover Gaskets include leaks or wear over time. Regular inspection for signs of oil leaks around the valve cover area can help in early detection of gasket failure. Maintenance practices such as proper installation, using the correct torque specifications, and ensuring a clean mating surface can significantly contribute to the gasket’s longevity and performance.

Installation Considerations

When installing the 4086108 Valve Cover Gasket, several factors should be taken into account to ensure optimal performance. These include adhering to the manufacturer’s torque specifications for the valve cover bolts, preparing the mating surfaces to ensure a clean and smooth contact, and verifying compatibility with other engine components. Proper installation is key to achieving the gasket’s intended sealing effectiveness.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a strong emphasis on quality and innovation, Cummins has established a reputation for producing reliable and efficient components for the commercial truck industry. The company’s commitment to excellence is reflected in its product offerings, including the 4086108 Valve Cover Gasket.

Valve Cover Gasket 4086108 Compatibility with Cummins Engines

The Valve Cover Gasket 4086108, manufactured by Cummins, is designed to ensure a secure and leak-proof seal between the engine’s valve cover and the engine block. This gasket is crucial for maintaining the integrity of the engine’s lubrication system and preventing oil leaks.

For the QSK45 CM500 and QSK60 CM500 engines, the 4086108 Valve Cover Gasket is engineered to fit precisely, ensuring optimal performance and reliability. The gasket’s material and design are tailored to withstand the high temperatures and pressures inherent in these industrial-grade engines, providing a durable and long-lasting solution.

In both the QSK45 CM500 and QSK60 CM500 engines, the 4086108 Valve Cover Gasket is a critical component that ensures the engine operates efficiently and safely. Its precise fit and high-quality construction make it an essential part of the engine’s maintenance and repair processes.

Role of Part 4086108 Valve Cover Gasket in Engine Systems

In the intricate arrangement of an engine system, the valve cover gasket, specifically part 4086108, plays a significant role in maintaining the integrity and efficiency of the engine’s operation. This gasket is positioned between the valve cover and the engine block, ensuring a secure seal that prevents oil leaks and contaminants from entering the engine’s internal components.

The valve cover, which encases the valvetrain components, relies on the gasket to create a barrier that maintains the necessary pressure within the engine. This pressure is essential for the proper functioning of the Positive Crankcase Ventilation (PCV) system, which helps in reducing emissions by routing crankcase gases back into the intake manifold.

Furthermore, the gasket’s placement between the valve cover and the engine block is vital for protecting the valves and other internal components from oil contamination. It ensures that the oil remains within the designated pathways, lubricating the moving parts without interfering with the valve operation.

Conclusion

In summary, the 4086108 Valve Cover Gasket is an integral component in the engine system, contributing to the overall performance and longevity of the engine by ensuring a secure, leak-proof seal between the valve cover and the engine block. Its design and material composition are tailored to withstand the demanding conditions of heavy-duty truck engines, making it a reliable choice for maintaining engine efficiency and cleanliness.


  1. Hiereth, H., Prenninger, P., & Drexl, K. W. (2010). Charging the Internal Combustion Engine. Springer.

  2. Wright, G. (2015). Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning.

  3. Cummins Inc. (n.d.). Fault Code Troubleshooting Manual. Bulletin Number 5613011.

SPECIFICATIONS

Service Part Topic
04T3-10
Package Dimensions
36.0 x 21.0 x 1.0 in
Weight
0.1 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.