912 140 653 4 WABCO Compatible Compressor Cylinder Head
21 02 11
Summary
This compressor cylinder head is a high-strength component designed for heavy commercial vehicle air brake compressors. It is compatible with WABCO systems, serving as a critical seal for the compression chamber to ensure efficient air output and thermal stability during operation. Equivalent to OE WABCO 9121406534.
| EAN Code | 8699031042275 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 912 140 653 4
Description
What does a compressor cylinder head do?
A compressor cylinder head is the cast service component that sits on top of an air brake compressor's cylinder block and seals the compression chamber from above. This component is essential for workshop technicians who need to rebuild a compressor in place rather than replacing the entire unit, often referred to as a cylinder cover or top cover.Compatibility and application
This cylinder head is compatible with WABCO systems and other heavy commercial vehicle air brake compressors. It is designed to maintain the integrity of the compression chamber while managing internal air passages and valve seats. The part ensures consistent performance under the heavy-duty conditions typical of commercial transport.Installation and maintenance
When performing maintenance, technicians should inspect the cylinder head for any signs of wear on the valve seats or cooling cavities. Proper installation is critical to ensure the seal between the head and the cylinder block remains airtight, preventing pressure drops in the braking system. Consult your authorized distributor for installation guidance.OE cross-reference
21 02 11 (Compressor Cylinder Head) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9121406534.Other OEMs
WABCO
- 9121406534
- 912.140.653.4
- 912 140 653 4
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| WABCO |
FAQ
What function does a compressor cylinder head serve?
The cylinder head seals the compression chamber from above and contains the inlet and discharge valve seats, directly governing air output and temperature.
Can this part be used to rebuild an existing compressor?
Yes, this component allows workshop technicians to rebuild a compressor in place by replacing only the top cover rather than the whole unit.
What should be checked during installation?
Technicians should verify that the valve seats and cooling cavities are clean and that the seal between the head and cylinder block is perfectly airtight.
Is this component compatible with WABCO systems?
Yes, this specific cylinder head is designed to be compatible with WABCO systems used in heavy commercial vehicle braking applications.
What are the OE reference numbers of this part?
21 02 11 directly replaces WABCO OE number 9121406534.