51541009903 MAN ND Twin Cylinder Air Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the pneumatic air brake system of heavy commercial vehicles, converting mechanical engine power into high-pressure compressed air. The unit is engineered with high-strength components to withstand the rigorous thermal and pressure demands of continuous operation in heavy-duty environments.

Vehicle and engine compatibility

This specific model is compatible with MAN ND vehicles, including the 363 and 313 variants. It is designed to meet the high air demand requirements of heavy commercial vehicle applications, ensuring consistent pressure delivery for safety-critical braking systems.

Installation and maintenance

For professional installation, note that this unit features water cooling with M22x1.5 inlet and outlet ports, alongside M26x1.5 air inlet and outlet ports. Technicians should verify that the through-drive configuration matches the existing engine setup to ensure seamless integration into the pneumatic circuit.

System performance and maintenance

Maintaining correct water flow and checking port connections during service intervals helps prevent overheating and ensures long-term reliability of the twin piston assembly.

OE cross-reference

1200 020 001 (Twin Cylinder Compressor) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 51541009903.