51 25902 0123 Compatible Exhaust Brake Valve — MAN

What does an exhaust brake valve do?

This exhaust brake valve plays a critical role in the engine braking system, helping to regulate exhaust gas flow to assist in vehicle deceleration. Built with heavy-duty grade materials, it is engineered to withstand the high thermal and pressure fluctuations common in heavy commercial vehicle engines.

Vehicle compatibility and fitment

This component is specifically fitted to MAN LION´S REGIO models, including the 400, C 400, L 400, L 360, L 320, 360, C 360, 320, and C 320 variants. It serves as a reliable replacement for original equipment parts to maintain system integrity.

Installation and maintenance

To ensure proper function, technicians should inspect the valve during routine maintenance intervals. Checking for leaks or irregular movement in the valve assembly can prevent sudden loss of braking assistance and ensure consistent performance during long descents.

System performance guidance

Proper selection of this valve ensures compatibility with the specific MAN engine configurations used in these bus models. Consult your authorized distributor.

OE cross-reference

303.11.0059 (Exhaust Brake Valve) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 51259020123.