21136656 Volvo FH13 D13C Piston & Ring Set

What does a compressor piston and ring do?

This compressor piston and ring set plays a critical role in the pneumatic compression process within the air brake system. By maintaining precise pressure within the cylinder, these components ensure the reliable generation of compressed air required for heavy commercial vehicle braking systems. High-strength components are used to withstand the intense thermal and mechanical stresses encountered during continuous operation.

Compatible vehicles and engines

Specifically designed for Volvo FH13 trucks equipped with D13C engines, this assembly is manufactured to meet rigorous industrial standards. It is compatible with the specific cylinder bore requirements of these heavy-duty applications, ensuring a tight seal and consistent air delivery. Check the compatibility list for exact fitment details.

Installation and maintenance

When performing maintenance or repairs on the compressor, technicians should verify that the piston diameter matches the cylinder bore exactly. It is essential to inspect the ring grooves and end gaps according to the vehicle manufacturer's service manual to ensure optimal compression and prevent air leakage. Proper installation is vital for maintaining system integrity.

Troubleshooting and selection

Regular inspection of these components during air system service can help prevent premature compressor failure. Monitoring for signs of excessive blow-by or oil consumption can assist in timely replacement of the piston and ring assembly.

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.