21707055 Compatible Exhaust Brake Valve — Volvo

What does an exhaust brake valve do?

This exhaust brake valve plays a critical role in the engine braking system of heavy commercial vehicles. By controlling the flow of exhaust gases, it assists in reducing vehicle speed and managing momentum during descent, which significantly reduces wear on the primary service brakes.

Vehicle and engine compatibility

This component is specifically designed to fit Volvo FH II, FH, and FH III series trucks, including various engine configurations such as the 420, 460, 500, and 540 variants. It is also compatible with LNG models like the 420 LNG and 460 LNG to ensure wide coverage across the Volvo truck range.

Installation and maintenance

Proper installation and regular inspection of the exhaust brake valve are essential for maintaining optimal engine braking efficiency. Technicians should check for any signs of leakage or irregular operation during routine maintenance intervals to prevent system failure.

Selection guidance

Selecting a high-quality replacement ensures seamless integration with existing engine systems. This valve is an ideal solution for fleet managers and workshop technicians looking to maintain Volvo heavy-duty trucks with reliable parts.

OE cross-reference

303.11.0057 (Exhaust Brake Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21707055.