21379051 Compatible Exhaust Brake Valve — Volvo FH

What does an exhaust brake valve do?

This exhaust brake valve plays a vital role in the engine braking system of heavy commercial vehicles. By regulating exhaust gas flow, it assists in reducing engine speed and providing necessary deceleration, which reduces the load on the primary braking system during downhill descents or heavy load transitions.

Vehicle and engine compatibility

This component is specifically engineered for Volvo FH (FH4/FH5) trucks featuring the D11K engine. It is also compatible with various Volvo FH series variants including 400, 420, 440, 460, 480, 500, 520, and 540 models. These parts are essential for maintaining optimal engine braking performance in fleet operations.

Installation and maintenance

To ensure proper function, technicians should inspect the valve during routine engine maintenance. Checking for leaks or improper actuation intervals helps prevent sudden loss of braking assistance. Proper installation ensures seamless integration with the existing engine management and pneumatic systems.

System performance guidance

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 21379051.