Piston Ring Kit Cummins 4025290 | 4089351

Product Overview

The Cummins 4025290 Piston Ring Kit is a critical component for maintaining the efficiency and longevity of heavy-duty diesel engines. This kit is engineered to provide a superior seal within the combustion chamber, ensuring maximum power output and optimal fuel economy by preventing blow-by and managing oil consumption.

Key Features and Benefits

• Enhanced Compression: Includes high-quality compression rings designed to prevent gas leakage and maintain vital engine pressure for peak performance.
• Oil Consumption Control: Features a specialized oil control ring to manage the lubrication film on cylinder walls, reducing emissions and preventing excessive oil usage.
• Durable Construction: Manufactured from high-grade alloys to withstand the extreme temperatures and pressures of heavy-duty truck operation.
• Heat Management: Facilitates efficient heat transfer from the piston to the cylinder wall, protecting engine components from thermal stress.

Kit Components

This comprehensive kit includes the following essential rings:

• 1x Oil Piston Ring (3992150)
• 1x Compression Piston Ring (3607359)
• 1x Compression Piston Ring (3992149)

Technical Specifications

• Weight: 0.24 lb
• Dimensions: 5.8 x 5.55 x 0.65 in
• Service Reference: TSB170022