7421136656 Renault Trucks Premium Piston & Ring

What does a compressor piston and ring do?

This compressor piston and ring set is engineered to restore the compression efficiency within the air brake system. It functions as a critical component within the pneumatic compressor, ensuring consistent air pressure delivery required for heavy-duty braking operations. The assembly is manufactured from high-strength components to withstand the high thermal and mechanical stresses typical of commercial engine environments.

Vehicle and engine compatibility

This specific component is compatible with Renault Trucks Premium vehicles equipped with DXi11 engines. It serves as a reliable replacement for original equipment parts, maintaining the required tolerances for the cylinder bore and ring grooves. The design ensures precise fitment within the compressor assembly to prevent air leakage.

Installation and maintenance

During installation, technicians should verify that the piston diameter matches the cylinder bore exactly and check that the ring end gaps comply with the manufacturer's specifications. It is recommended to inspect the cylinder liner for wear before installing new components to ensure optimal sealing and longevity.

Troubleshooting and selection

Regular inspection of the piston and rings during routine maintenance can help prevent unexpected pneumatic system failures.

OE cross-reference

7000 801 100 (Compressor Piston & Ring) is the equivalent of the Renault Trucks OE number. This part directly replaces Renault Trucks OE number 7421136656.