7000 801 100 Piston and Ring for Air Brake Compressor

What is a compressor piston and ring?

This compressor piston and ring kit is designed to restore the efficiency of pneumatic brake systems in heavy commercial vehicles. Manufactured with high-strength components, these parts ensure reliable air compression and long-lasting durability under intense operational pressure.

Compatible vehicles and engines

The kit is compatible with various heavy commercial vehicle models including Volvo FH series, Renault Trucks Premium and Magnum, Ford Trucks Cargo, and Iveco Bus Metro. It also fits applications from DAF CF, KamAZ, and Mack Pinnacle engines. These components are engineered to meet the demanding requirements of large-scale transport fleets.

Installation and maintenance

For proper installation, technicians should verify the piston diameter and groove clearances against the compressor housing specifications. Regular inspection of the piston rings during air system maintenance can prevent pressure loss. It is recommended to consult your authorized distributor for exact fitment guidance.

System maintenance guidance

Maintaining optimal compression ratios is vital for the safety of the braking system. This kit provides a cost-effective solution for overhauling worn compressors without requiring a complete unit replacement.

OE cross-reference

7000 801 100 (Compressor Piston & Ring) is the equivalent of the Knorr-Bremse, Renault Trucks and Volvo OE numbers. This part directly replaces Knorr-Bremse OE number SEB22517. It also replaces Renault Trucks OE number 7421136656 and Volvo OE number 21136656.