21136656 Piston & Ring for Volvo FH13 D13A

What does a compressor piston and ring do?

This compressor piston and ring set serves as a critical component within the pneumatic air brake compressor assembly. It is engineered to withstand high-pressure environments and intense thermal cycles, ensuring the efficient compression of air required for the vehicle's braking system. These components are manufactured from high-strength materials to provide long-term durability under heavy-duty service conditions.

Compatibility with Volvo FH13 engines

This specific kit is compatible with Volvo FH13 trucks equipped with D13A engines. It is designed to match the exact technical requirements of the original compressor, ensuring seamless integration into the pneumatic system. The piston features an 80.00 mm diameter, which must be verified against the cylinder bore to ensure a perfect fit.

Installation and maintenance guidance

When performing maintenance or repairs, technicians should check the ring grooves and end gaps according to the vehicle manufacturer's service manual. Proper installation ensures air-tight integration and prevents pressure loss within the compressor. Checking the pin diameter and cylinder liner condition during replacement is highly recommended to maintain system integrity.

System maintenance importance

Regular inspection of the piston and rings can prevent larger failures within the air brake system. Using high-strength components helps maintain consistent air pressure delivery for heavy commercial vehicle safety.

OE cross-reference

7000 801 100 (Compressor Piston & Ring) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21136656.