7420741660 Compatible Exhaust Brake Valve — 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 engage compression braking. By managing the pressure within the exhaust manifold, it assists in reducing vehicle speed and minimizing brake wear during descents. This component is manufactured using heavy-duty grade materials to ensure long-term reliability in high-temperature environments.

Compatible Renault Trucks C models

This specific valve is designed for use in Renault Trucks C series models, including the 430T, 380T, 460P, 430P, 460T, 280P, 380P, 320P, 250P, and various other variants within the C range. It serves as a reliable replacement for components in these heavy commercial vehicles.

Installation and maintenance

For technicians performing installation, it is vital to check the pneumatic actuator and housing integrity during replacement. Ensuring the butterfly valve flap moves freely and the seals are seated correctly will prevent air leaks and ensure consistent braking performance.

Troubleshooting guidance

Regular inspection of the exhaust line downstream of the turbocharger can help identify early signs of wear or carbon buildup that might affect valve operation.

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 7420741660.