7421136656 Renault Trucks Kerax DXi11 Piston & Ring

What does a compressor piston and ring do?

This compressor piston and ring set is a critical component for maintaining the efficiency of the pneumatic air brake system. Manufactured with heavy-duty grade materials, it ensures reliable compression and durability under high-pressure operating conditions within the compressor assembly.

Vehicle and engine compatibility

This specific kit is compatible with Renault Trucks Kerax trucks equipped with DXi11 engines. It serves as a direct replacement for original equipment parts, ensuring that the piston diameter and ring groove arrangement match the requirements of the Renault Trucks engine architecture.

Installation and maintenance

For proper installation, technicians should verify that the piston diameter of 80.00mm matches the cylinder bore exactly. It is recommended to check ring end gaps and groove clearances against the manufacturer's service manual during assembly to prevent binding or excessive wear.

Maintenance guidance

Regular inspection of these components during air system overhauls helps prevent pressure loss in the braking system. Ensure all rings are seated correctly within their respective grooves to maintain optimal sealing integrity.

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.