SEB22540 Piston & Ring for Knorr-Bremse Compressors

What does a compressor piston and ring do?

This compressor piston and ring set is engineered to maintain critical pressure within the air brake compressor system of heavy commercial vehicles. The components are manufactured from high-strength materials to withstand the intense thermal and mechanical stresses encountered during continuous operation, ensuring long-term durability in demanding service environments.

Compatibility and fitment

These parts are specifically designed for compatibility with Knorr-Bremse systems. For precise fitment, technicians should verify the piston diameter, pin diameter, and ring groove arrangement against the specific compressor model requirements. This ensures the component integrates seamlessly into the existing pneumatic assembly.

Installation and maintenance

During installation, it is vital to check the ring end gap and cylinder bore condition to prevent premature wear. Ensuring that the ring grooves match the original configuration is essential for maintaining proper compression and oil control within the cylinder.

Troubleshooting and selection

Maintaining correct clearances during replacement helps prevent system pressure drops and ensures the longevity of the air brake compressor.

OE cross-reference

7000 751 100 (Compressor Piston & Ring) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number SEB22540.