4015025
Rocker Lever Socket
Cummins®

The 4015025 Rocker Lever Socket, manufactured by Cummins, is a critical component in the operation of heavy-duty truck engines. This part facilitates the precise and efficient transfer of motion within the engine’s valve train, playing a significant role in engine mechanics and maintenance practices ¹.

Basic Concepts of Rocker Lever Sockets

Rocker lever sockets are integral to an engine’s valve train, connecting pushrods to valves. They convert the linear motion of the pushrod into the rotational motion required to open and close the valves, which is essential for the timing and efficiency of the engine’s combustion process ².

Purpose of the 4015025 Rocker Lever Socket

This Cummins part transmits motion from the pushrod to the valve, ensuring that the valve opens and closes with precision. This precision is vital for maintaining the engine’s efficiency and performance, contributing to the accurate timing of valve operations ¹.

Key Features

The 4015025 is characterized by features that enhance its durability and performance. It is constructed from materials resistant to wear and corrosion, ensuring longevity under the demanding conditions of heavy-duty truck engines. The design includes elements that reduce friction and wear, contributing to the socket’s reliability and efficiency ².

Benefits

The benefits of this part include improved engine efficiency, enhanced durability under high-stress conditions, and a contribution to overall engine reliability and performance. By ensuring precise valve timing and operation, the socket helps to optimize the engine’s combustion process, leading to better fuel efficiency and reduced emissions ¹.

Installation and Maintenance

Proper installation of the 4015025 involves using the necessary tools and following specific steps to ensure correct fitting and function. Maintenance practices, such as regular inspection intervals and recommended practices, can prolong the lifespan of the socket ².

Troubleshooting Common Issues

Common problems associated with rocker lever sockets can include wear, noise, or failure to operate correctly. Troubleshooting procedures involve identifying the symptoms of these issues and determining whether the socket requires adjustment, repair, or replacement ¹.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the heavy-duty truck and engine industry, known for its commitment to quality, innovation, and customer satisfaction. The company’s product range includes a variety of engine components and systems designed to meet the demands of heavy-duty applications. Cummins’ reputation is built on its dedication to producing reliable and efficient parts, such as the 4015025, which plays a role in enhancing engine performance and durability ¹.

Compatibility with Cummins Engines

The 4015025 is designed to fit seamlessly with a range of Cummins engines, including the QSV81G, QSV91G, and QSV91-G4 CM558/CM700 V102 engines. This compatibility ensures that the rocker levers operate smoothly and efficiently, contributing to the engine’s longevity and performance ¹.

Role in Engine Systems

The 4015025 is an integral component in the orchestration of various engine systems, particularly when integrated with a Cylinder Head Conversion Kit. It facilitates the precise and efficient transfer of motion from the camshaft to the valves, ensuring optimal engine performance. The socket interfaces directly with the Lever and Rocker components, translating the rotational motion of the camshaft into the linear motion required to open and close the engine’s valves ².

Conclusion

The 4015025 Rocker Lever Socket is a key element in the valve train system, working in concert with other components to ensure precise, reliable, and efficient valve actuation. Its role in enhancing engine performance and durability underscores the importance of understanding and maintaining this critical component.