A0021301115 Compatible Mercedes-Benz OM 457 hLA Compressor Head

What does a compressor cylinder head do?

This cylinder head is a vital component of the air brake compressor assembly, responsible for sealing the combustion or compression chamber to maintain optimal pressure levels. Manufactured from high-strength components, it ensures long-term durability under the intense thermal and mechanical stresses found in heavy commercial vehicle pneumatic systems.

Compatible vehicles and engines

This specific part is designed for use in Mercedes-Benz CONECTO (O 345) models, including the UE, M, CONECTO C, and H variants. It is specifically engineered to work with the OM 457 hLA engine series to ensure precise air delivery and system reliability.

Installation and maintenance

When replacing this component, technicians should verify the compressor's specific architecture and ensure all gaskets and valve plates are inspected. Proper installation prevents air leaks and ensures the compressor maintains consistent output for the vehicle's braking and pneumatic systems.

Troubleshooting and selection

Regular inspection of the cylinder head can help prevent system pressure drops and maintain the efficiency of the entire air brake circuit.

OE cross-reference

11 25 50 (Compressor Cylinder Head) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A0021301115.