7421991157 Compatible Exhaust Brake Valve for Renault Trucks

What does an exhaust brake valve do?

This exhaust brake valve plays a critical role in the engine braking system by restricting exhaust gas flow to facilitate compression braking. Manufactured with heavy-duty grade materials, it is designed to withstand the intense thermal and pressure fluctuations found in high-output diesel engines. This component ensures consistent deceleration performance for heavy commercial vehicles.

Vehicle and engine compatibility

The unit is specifically compatible with various Renault Trucks C series models, including the C380, C520, C480, C440, and C460 models. It is also fitted to several P and PK series variants such as the 250P, 280P, 320P, 380P, and 430P. This part is engineered to meet EURO 6 emission standards requirements.

Installation and maintenance

For professional workshop technicians, maintaining the exhaust system integrity is vital. When replacing this valve, ensure all mounting hardware is inspected and that the pneumatic actuator functions smoothly without leaks. Proper installation prevents premature wear on other engine components.

Selection guidance

Consult your authorized distributor to verify exact fitment for your specific vehicle engine configuration.

OE cross-reference

303.11.0056 (Exhaust Brake Valve) is the equivalent of the Renault Trucks OE number. This part directly replaces Renault Trucks OE number 7421991157.