A0021301115 INTEGRO (O 550) OM 457 HLA Cylinder Head

What does a cylinder head do?

This cylinder head is a critical component that closes the top of the air brake compressor cylinder block, providing the necessary housing for the inlet and discharge valve seats. It is engineered to maintain airtight compression and manage heat dissipation during high-pressure cycles. Using high-strength components, this part ensures reliable performance within the pneumatic system of heavy commercial vehicles.

Vehicle and engine compatibility

This specific unit is compatible with Mercedes-Benz INTEGRO (O 550) models, including the Integro L, Integro M, and standard Integro variants featuring the OM 457 HLA engine. It serves as a direct replacement to restore compressor efficiency without requiring a complete unit replacement.

Installation and maintenance

For professional installation, it is recommended that workshop technicians verify the bolt hole pattern and port dimensions against the existing compressor body. Ensuring correct torque application according to service manuals helps prevent gasket leaks and maintains optimal compression levels.

Troubleshooting and selection

Regular inspection of the sealing surfaces during scheduled maintenance can prevent pressure loss and ensure long-term reliability in demanding transport environments.

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.