303.11.0057 Exhaust Brake Valve compatible with Volvo

What does an exhaust brake valve do?

An exhaust brake valve is a pneumatic control unit used as part of the engine brake system on heavy commercial vehicles such as trucks and buses. It works by restricting the exhaust gas flow to build back-pressure within the engine, which helps slow the vehicle effectively without excessive wear on the service brakes.

Vehicle and engine compatibility

This component is compatible with a wide range of heavy-duty models, including Volvo FH, FM, and FMX series, as well as Renault Trucks T, K, and C series. It is specifically engineered to work with various engine configurations such as D13K, D11K, DTI11, and DXi to ensure precise braking performance during long descents or loaded driving.

Installation and maintenance

For optimal performance, technicians should inspect the valve assembly, including the actuator and seals, during routine maintenance. Ensuring a proper seal at the exhaust manifold outlet is critical for maintaining consistent back-pressure. Consult your authorized distributor to ensure correct fitment for your specific engine model.

System performance

Maintaining a functional exhaust brake system is essential for fleet safety and reducing maintenance costs on service brakes in heavy-duty applications.

OE cross-reference

303.11.0057 (Exhaust Brake Valve) is the equivalent of the Renault Trucks and Volvo OE numbers. This part directly replaces Renault Trucks OE numbers 7420741660, 7420994250, 7421379051, 7421707055, 7421991154. It also replaces Volvo OE numbers 20451967, 20512836, 20561888, 20741660, 20994250, 21379051, 21707055, 21991154.