Engine Rocker Arm Shaft Cummins 2882592 | 4059304

High-Performance Cummins 2882592 Rocker Arm Shaft

The Cummins 2882592 rocker arm shaft is a critical component of your heavy-duty diesel engine’s valvetrain system. Designed to transfer motion from the camshaft to the valves with extreme precision, this rocker lever shaft ensures that the intake and exhaust valves open and close in perfect synchronization with the engine’s combustion cycle. This part is also available under the interchangeable part number: 4059304.

Constructed from premium-grade materials, the 2882592 shaft is engineered to resist wear, corrosion, and high thermal stress. It features precise tolerances that facilitate smooth rocker arm movement, reducing friction and preventing premature wear on associated valvetrain components. This shaft is specifically designed for Cummins ISX and QSX series engines, making it an essential replacement part for maintaining optimal engine efficiency, fuel economy, and reduced emissions.

Key Features and Benefits

• Precise Valve Actuation: Ensures accurate valve timing for improved combustion efficiency and engine performance.
• Heavy-Duty Construction: Manufactured from high-strength materials to withstand the rigorous demands of heavy-duty diesel applications.
• Reduced Friction and Wear: Engineered with precise tolerances and smooth surface finishes to minimize wear on rocker arms and the camshaft.
• Direct Fit: Designed to meet exact dimensional specifications for a seamless installation and reliable operation.

Engine Applications

This rocker arm shaft is compatible with the following engine platforms:

• Cummins ISX Series (including CM570, CM870, and other single-cam configurations)
• Cummins QSX Series

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 2882592
• 4059304