3074499
Cam Follower Housing Shim
Cummins®

The Cam Follower Housing Shim, identified by part number 3074499, is a component manufactured by Cummins, a well-established name in the automotive industry. This shim is integral to the operation of heavy-duty truck engines, contributing to their efficiency and reliability. Cummins is renowned for its high-quality engine components, and this part is no exception, designed to meet the rigorous demands of heavy-duty applications ¹.

Function and Operation

This Cummins part operates within the engine by providing precise spacing and alignment between the cam follower and the engine block. This shim ensures that the cam follower maintains the correct distance from the camshaft, which is vital for the smooth operation of the valve train. Its role is to facilitate the efficient transfer of motion from the camshaft to the valves, ensuring that they open and close at the correct times and with the appropriate force ².

Purpose of the Cam Follower Housing Shim

The specific role of 3074499 in a truck engine is to maintain the optimal clearance between the cam follower and the camshaft. This clearance is crucial for the engine’s performance, as it affects the timing and force of valve actuation. By ensuring that this clearance is maintained, the shim contributes to the engine’s efficiency and reliability, allowing it to operate smoothly under a wide range of conditions ³.

Key Features

The Cam Follower Housing Shim is characterized by its precise thickness, which is critical for its function. It is typically made from high-quality materials that offer durability and resistance to wear. The design of the shim is straightforward yet effective, with smooth surfaces that ensure minimal friction and wear. Its unique attributes include its ability to withstand high temperatures and pressures, making it suitable for the demanding environment of a heavy-duty truck engine.

Benefits

The advantages provided by the Cam Follower Housing Shim include improved engine performance through precise valve timing and actuation. It reduces wear on engine components by ensuring that the cam follower operates within the correct clearances. Additionally, the shim enhances the longevity of the engine by contributing to the smooth and efficient operation of the valve train.

Installation and Compatibility

Proper installation of this Cummins part is crucial for its effectiveness. It should be installed according to the manufacturer’s guidelines to ensure that it fits securely and functions as intended. Compatibility with various engine models is an important consideration, and it is advisable to consult the manufacturer’s specifications to ensure that the shim is suitable for the specific engine application.

Troubleshooting and Maintenance

Identifying common issues related to the Cam Follower Housing Shim involves checking for signs of wear or damage, such as uneven surfaces or excessive clearance. Diagnostic procedures may include visual inspection and measurement of clearances. Maintenance practices to ensure continued efficient operation include regular inspection and replacement of the shim as necessary, following the manufacturer’s recommendations.

Common Failure Modes

Typical failure modes associated with the Cam Follower Housing Shim include wear, deformation, and incorrect clearance. Potential causes of these failures can be excessive heat, improper installation, or the use of incompatible components. The impact on engine performance can range from reduced efficiency to complete failure of the valve train, underscoring the importance of proper maintenance and timely replacement.

Replacement and Upgrades

Replacing the Cam Follower Housing Shim should be considered when signs of wear or damage are detected, or as part of routine maintenance. Available upgrades may include shims made from more durable materials or designed for specific performance enhancements. These upgrades can affect engine performance and longevity by providing improved clearance management and durability.

Cummins Overview

Cummins Inc. has a long-standing reputation in the automotive industry for producing high-quality engine components. Founded with a commitment to innovation and excellence, Cummins has consistently delivered reliable and efficient engine solutions. Their dedication to quality is evident in every component they produce, including the Cam Follower Housing Shim, which is designed to meet the high standards of heavy-duty truck engines.

Conclusion

The Cam Follower Housing Shim, part number 3074499, plays a significant role in the efficient and reliable operation of heavy-duty truck engines. Its precise function in maintaining optimal clearance between the cam follower and the camshaft is crucial for engine performance. Proper installation, regular maintenance, and timely replacement are essential to ensure the continued efficiency and longevity of the engine.