21991154 Volvo FH Compatible Exhaust Brake Valve

What does an exhaust brake valve do?

This exhaust brake valve plays a critical role in the engine braking system of heavy-duty commercial vehicles. By regulating exhaust gas flow, it assists in decelerating the vehicle and reducing the workload on the primary braking system during downhill descents or deceleration. It is constructed from high-strength components to withstand extreme thermal and pressure fluctuations within the exhaust manifold system.

Vehicle compatibility and engine fitment

This component is engineered for compatibility with Volvo FH models, including variants such as 400, 420, 440, 460, 480, 500, 520, and 540. It serves as a reliable replacement part to maintain the original performance of the engine's braking functionality.

Installation and maintenance guidance

For optimal performance, technicians should inspect the valve during routine engine service. Ensure that all connections are secure and that there are no signs of leakage or excessive soot buildup around the mounting points. Regular maintenance helps prevent premature wear of the internal seals and ensures consistent braking force.

System performance and selection

Consult your authorized distributor.

OE cross-reference

303.11.0057 (Exhaust Brake Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21991154.