21379051 Exhaust Brake Valve for Volvo FM Series

What does an exhaust brake valve do?

This exhaust brake valve serves as a vital component within the engine braking system, helping to regulate exhaust flow to facilitate controlled deceleration. Built with heavy-duty grade materials, it ensures reliable performance under the high-pressure conditions typical of heavy commercial vehicle engines.

Compatible Volvo vehicles and engines

The component is engineered for compatibility with Volvo FM and FM II series trucks, including various engine configurations such as the FM 370, FM 450, and the FM 460 LNG. This ensures precise integration into the existing engine braking architecture of these heavy-duty vehicles.

Installation and maintenance

For optimal performance, technicians should verify that the valve matches the specific engine type and emission standards of the vehicle. Regular inspection of the mounting points and pneumatic connections is recommended to prevent leaks and maintain consistent braking assistance during operation.

System reliability

Proper installation ensures the stability of the engine braking system during long descents. Check the compatibility list to ensure correct fitment for your specific Volvo truck model.

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.