7421379051 Renault Trucks K DTI11 Engine Brake Valve

What does an exhaust brake valve do?

This exhaust brake valve plays a critical role in the engine braking system of heavy commercial vehicles. By restricting the flow of exhaust gases, it enables effective compression braking, which assists in reducing vehicle speed and minimizes wear on the primary service brakes during long descents or heavy loads.

Compatible Renault Trucks and engines

This component is designed for use in Renault Trucks K series models, including the 380T, 430T, 460T, and 520T variants. It is specifically compatible with Renault Trucks K vehicles featuring DTI11 engines, such as the K380, K430, K460, and K520 models. This ensures precise integration within the engine's pneumatic control system.

Installation and maintenance

For workshop technicians and fleet managers, maintaining the integrity of the exhaust brake system is essential. Proper installation of this valve ensures that the pneumatic actuator responds correctly to signals from the electronic control unit. Regular inspection of the housing and seals is recommended to prevent leaks that could compromise braking performance.

System reliability

Selecting high-strength components ensures consistent operation under heavy-duty thermal and pressure cycles typical of commercial trucking operations.

OE cross-reference

303.11.0057 (Exhaust Brake Valve) is the equivalent of the Renault Trucks OE number. This part directly replaces Renault Trucks OE number 7421379051.