12 02 20 Compatible Compressor Cylinder Head

What does a compressor cylinder head do?

This compressor cylinder head serves as a critical component within the pneumatic brake system, managing air pressure and maintaining the structural integrity of the compressor assembly. Manufactured using high-strength components, it is engineered to withstand the intense thermal and pressure fluctuations common in heavy commercial vehicle operations.

Compatible vehicles and engines

This component is compatible with MAN vehicles including NL, NÜ, SG, NG, and LION'S CITY models, as well as Neoplan Euroliner and Trendliner series. It also fits Van Hool Serie 9 and A-Serie coaches, and Ayats Bravo models. For optimal performance, ensure the head matches the specific compressor architecture of the engine, such as the D2866 series.

Installation and maintenance

Maintenance of the cylinder head is essential for preventing air leaks and ensuring consistent braking performance. Technicians should inspect the sealing surfaces during every service interval to prevent pressure drops. When replacing the head, it is recommended to check all associated valve plates and gaskets to maintain a secure, air-tight seal within the system.

Selection guidance

Proper selection is vital because different engine configurations may require different head types, such as water-cooled or air-cooled versions. Always verify that the part matches your existing compressor's technical specifications before installation. Consult your authorized distributor.

OE cross-reference

12 02 20 (Compressor Cylinder Head) is the equivalent of the MAN and WABCO OE numbers. This part directly replaces MAN OE numbers 51541146066, 51541146070, 51541146073, 51541146086. It also replaces WABCO OE numbers 4121008002, 4121008052, 4121008062.