3935406
Push Rod Cover Gasket
Cummins®

The Push Rod Cover Gasket, identified by Part #3935406, is a component manufactured by Cummins, a leading name in the commercial truck industry. This gasket plays a role in the operation of heavy-duty truck engines by ensuring the integrity of the valve train system. Its design and function are tailored to meet the demanding requirements of Cummins engines, contributing to their reliability and performance ¹.

Function and Operation

The Push Rod Cover Gasket is integral to the engine’s valve train system. It maintains a seal between the push rod cover and the engine block, which is vital for the proper lubrication and operation of the push rods and associated components. By preventing oil leaks and maintaining pressure within the valve train, the gasket ensures that the push rods function smoothly, which is important for the overall efficiency and longevity of the engine ².

Key Features

The Push Rod Cover Gasket is characterized by its precise design and material selection, which are optimized for Cummins engines. It is engineered to provide a snug fit, ensuring that it forms an effective seal. The material used is chosen for its durability and resistance to the high temperatures and pressures present in the engine environment. These features contribute to the gasket’s ability to perform reliably under demanding conditions ³.

Benefits

Utilizing a high-quality Push Rod Cover Gasket, such as the one offered by Cummins, can lead to several advantages. These include enhanced engine performance due to improved seal integrity and lubrication, a reduced risk of oil leaks that can lead to engine damage, and a prolonged lifespan for the valve train components. These benefits underscore the importance of using OEM or equivalent quality replacement parts.

Installation and Maintenance

Proper installation of the Push Rod Cover Gasket is important for its effective performance. It should be installed according to the manufacturer’s guidelines to ensure a proper seal is achieved. Regular maintenance checks are recommended to monitor the condition of the gasket. Signs of wear or failure, such as oil leaks or unusual engine noises, may indicate that the gasket needs to be replaced.

Troubleshooting Common Issues

Common issues associated with Push Rod Cover Gaskets include oil leaks and engine noise. These problems can often be traced back to a failed or improperly installed gasket. Diagnostic steps may involve inspecting the gasket for signs of wear or damage and checking for proper installation. Remedial actions could range from replacing the gasket to addressing any underlying issues that may have contributed to its failure.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s commitment to excellence is reflected in its wide range of products, which are designed to meet the rigorous demands of heavy-duty applications.

Cummins Push Rod Cover Gasket 3935406 Compatibility

The Cummins Push Rod Cover Gasket, part number 3935406, is designed to ensure a secure seal between the push rod cover and the engine block. This gasket is engineered to prevent oil leaks and maintain the integrity of the engine’s lubrication system.

Engine Compatibility

This gasket is compatible with several Cummins engine models, ensuring a precise fit and reliable performance. Here are the engines where the part 3935406 is applicable:

• 4B3.9: The 3935406 gasket is specifically designed to fit the 4B3.9 engine, providing a robust seal that is essential for maintaining engine efficiency and longevity.

• B4.5: Similarly, the 3935406 gasket is engineered to fit the B4.5 engine, ensuring that the push rod cover remains securely attached to the engine block. This compatibility is critical for preventing oil leaks and maintaining the engine’s operational integrity.

By ensuring a proper seal, the Cummins Push Rod Cover Gasket 3935406 helps to protect the engine from potential damage caused by oil leaks, thereby contributing to the overall reliability and performance of the engine.

Role of Part 3935406 Push Rod Cover Gasket in Engine Systems

The 3935406 Push Rod Cover Gasket is a component in the arrangement of various engine systems, ensuring the integrity and efficiency of the engine’s operation. This gasket is specifically designed to seal the cam follower cover, a part that houses the cam followers.

When installed, the 3935406 gasket creates a tight seal between the cam follower cover and the engine block, preventing oil leaks and contaminants from entering the engine. This seal is vital for maintaining the proper lubrication of the cam followers, which are responsible for translating the camshaft’s motion into the movement of the valve train.

Additionally, the gasket works in conjunction with the lower engine gasket set to ensure a comprehensive seal across multiple engine components. The lower engine gasket set typically includes gaskets for the cylinder head, valve cover, and other critical areas, all of which must work together to maintain engine performance.

Conclusion

In summary, the 3935406 Push Rod Cover Gasket plays a significant role in the overall sealing strategy of the engine, contributing to the durability and reliability of the cam follower system and the engine as a whole. Proper installation and maintenance of this Cummins part are essential for ensuring the engine’s performance and longevity.