3936808 S1 Cummins Compatible Compressor Cylinder Head
25 08 11
Summary
This compressor cylinder head is a high-strength component designed for heavy commercial vehicle air brake compressors. It provides essential sealing for the compression chamber and manages thermal stability during operation. Compatible with Cummins systems. Equivalent to OE Cummins 3936808S1.
| EAN Code | 8699031024127 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 911 154 520 0 S1
- 911 154 519 0 S1
- 911 154 511 0 S1
- 911 154 510 0 S1
- 911 154 509 0 S1
-
CUMMINS
- 3976362 S1
- 3949095 S1
- 3948842 S1
- 3944460 S1
- 3936808 S1
Description
What does a compressor cylinder head do?
This compressor cylinder head serves as the critical cast component that sits atop the air brake compressor cylinder block, sealing the compression chamber from above. It is an essential component for workshop technicians looking to rebuild a compressor unit in place rather than replacing the entire assembly. The head houses the seats for the inlet and discharge valves, internal air passages, and necessary cooling cavities to ensure efficient performance.Compatibility and fitment
This component is compatible with Cummins systems and is designed to withstand high-pressure environments. It functions effectively within heavy commercial vehicle air brake systems, maintaining the structural integrity required for sustained air production. Technicians should always verify compatibility based on the specific compressor architecture used in the engine.Installation and maintenance
During installation, it is vital to ensure that all sealing surfaces are clean and that the valve seats are properly aligned within the head. Regular inspection of the cylinder head can help prevent air leaks and maintain consistent pressure output within the pneumatic system. Check the compatibility list to ensure correct fitment.Operational importance
Proper selection of this component ensures that the compressor's air output and running temperature remain within optimal parameters, preventing premature wear of other internal components.OE cross-reference
25 08 11 (Compressor Cylinder Head) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3936808S1.Other OEMs
CUMMINS
- 3976362 S1
- 3949095 S1
- 3948842 S1
- 3944460 S1
- 3936808 S1
WABCO
- 9111545200S1
- 9111545190S1
- 9111545110S1
- 9111545100S1
- 9111545090S1
- 911 154 520 0 S1
- 911 154 519 0 S1
- 911 154 511 0 S1
- 911 154 510 0 S1
- 911 154 509 0 S1
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| CUMMINS | |||
| WABCO |
FAQ
What is the function of a compressor cylinder head?
It seals the compression chamber from above and houses the inlet and discharge valve seats, directly governing air output and thermal regulation.
Can this part be used to rebuild an existing compressor?
Yes, this component allows workshop technicians to rebuild a compressor in place, providing a cost-effective alternative to replacing the entire unit.
How do I ensure I am selecting the correct cylinder head?
Selection should always be based on the specific compressor architecture and reference numbers to ensure correct fitment with the cylinder block.
What symptoms indicate a faulty cylinder head?
Common signs include inconsistent air pressure output, visible air leaks from the top of the block, or overheating during operation.
What are the OE reference numbers of this part?
25 08 11 directly replaces Cummins OE number 3936808S1.