11 25 55 WABCO Compatible Compressor Cylinder Head
11 25 55
Summary
This compressor cylinder head is a critical service component designed to seal the compression chamber of air brake compressors. It is compatible with WABCO systems and provides a high-strength solution for professional workshop rebuilds, ensuring reliable air output and temperature regulation. Equivalent to OE WABCO 9125109422.
| EAN Code | 8683457047099 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 912 510 942 2
Description
What does a compressor cylinder head do?
The compressor cylinder head is a cast service component that sits on top of an air brake compressor's cylinder block to seal the compression chamber from above. In professional workshops, this part is often referred to as the compressor cover or top cover. It is designed to allow technicians to rebuild a compressor in place, providing a cost-effective alternative to replacing the entire unit.Compatibility and system function
This component is compatible with WABCO systems and is engineered to handle heavy-duty operating conditions. The head contains the essential seats for the inlet and discharge valves, as well as the internal air passages and cooling cavities. These features directly govern both the air output and the thermal stability of the compressor during operation.Installation and maintenance
When performing maintenance, technicians should verify that the head matches the specific compressor architecture, as designs vary between single-cylinder and twin-cylinder configurations. Proper installation ensures that the internal seals maintain pressure integrity within the pneumatic system.Selection guidance
Consult your authorized distributor to ensure correct fitment for your specific heavy commercial vehicle application.OE cross-reference
11 25 55 (Compressor Cylinder Head) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9125109422.Other OEMs
WABCO
- 9125109422
- 912 510 942 2
Related Products
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| EVOBUS | |||
| MERCEDES BENZ | |||
| WABCO |
FAQ
What is the function of a compressor cylinder head?
It sits on top of the cylinder block to seal the compression chamber, housing the inlet and discharge valves while managing air passages.
Can this part be used to rebuild an existing compressor?
Yes, this component allows workshop technicians to rebuild a compressor in place rather than replacing the entire unit.
What should I check before installing a new cylinder head?
Ensure it matches your compressor architecture, specifically checking for features like unloader ports or cooling cavity types.
Is this part compatible with WABCO systems?
Yes, this part is designed to be compatible with WABCO systems in heavy commercial vehicle applications.
What are the OE reference numbers of this part?
11 25 55 directly replaces WABCO OE number 9125109422.