303.11.0056 Exhaust Brake Valve compatible with Volvo

What does an exhaust brake valve do?

An exhaust brake valve is a critical component of the engine braking system used in heavy commercial vehicles to improve deceleration control. This component works by restricting exhaust gas flow, which increases in-cylinder pressure and assists in slowing the vehicle during long descents or heavy loads.

Compatible vehicles and engines

This specific exhaust brake valve is designed to be compatible with a wide range of Volvo models, including FH, FM, FMX, and various bus series like the 7900 and 8300. It is also fitted to several Renault Trucks models such as the K, T, C, and Premium series, supporting engines like DXi and DTI series. This part meets EURO 6 emission standards for modern heavy-duty applications.

Installation and maintenance

For workshop technicians, selecting the correct valve is essential for proper pneumatic operation. Maintenance should focus on ensuring the actuator moves freely and seals remain intact to prevent air leaks. Proper installation ensures the engine brake system functions correctly within the exhaust manifold or downstream of the turbocharger.

Selection guidance

Consult your authorized distributor to ensure this part matches your specific engine designation and vehicle configuration.

OE cross-reference

303.11.0056 (Exhaust Brake Valve) is the equivalent of the Renault Trucks and Volvo OE numbers. This part directly replaces Renault Trucks OE numbers 7420837594, 7421707054, 7421991157, 7423532368. It also replaces Volvo OE numbers 20837594, 21707054, 21991157, 23532368.