11 21 10 Mercedes-Benz Compatible Cylinder Head

What does a cylinder head do?

This cylinder head is a critical component that closes off the top of the air brake compressor's cylinder block, housing the seats for the inlet and discharge valves. It is engineered to maintain high compression levels without leaking and plays a vital role in managing heat during the compression cycle. Built with heavy-duty grade materials, it ensures long-term reliability under demanding operating conditions.

Vehicle and engine compatibility

This specific component is designed for use in Mercedes-Benz CITO (O 520) vehicles equipped with OM 904 LA engines. It is also compatible with DAF trucks and systems from WABCO. When selecting this part, always verify compatibility based on the compressor's specific architecture to ensure a precise fit within the braking system.

Installation and maintenance

For optimal performance, technicians should inspect the valve seats and mounting surfaces during installation. Ensuring the cylinder head is free of debris and properly torqued is essential for maintaining air pressure stability in the pneumatic system. Regular inspection of the head helps prevent air leaks and maintains braking efficiency.

Component selection guidance

Selecting a high-quality replacement allows for rebuilding the compressor in place, which is a cost-effective alternative to replacing the entire unit. This component meets the requirements for heavy commercial vehicle service environments.

OE cross-reference

11 21 10 (Compressor Cylinder Head) is the equivalent of the DAF, Mercedes-Benz and WABCO OE numbers. This part directly replaces DAF OE number 1528798. It also replaces Mercedes-Benz OE number 0001315419 and WABCO OE number 4123528012.