3957724 S1 Cummins Compatible Compressor Cylinder Head
25 11 50
Summary
This high-strength compressor cylinder head is designed for heavy commercial vehicle air brake systems. It provides a precise seal for the compression chamber and is compatible with Cummins engines to ensure reliable air output and thermal management during operation. Equivalent to OE Cummins 3957724S1.
| EAN Code | 8699031044569 |
|---|
Ready to Order
Compatible OEM Codes
-
CUMMINS
- 4898367 S1
- 4898083 S1
- 3964688 S1
- 3964687 S1
- 3957725 S1
- 3957724 S1
-
KNORR-BREMSE
- LK3846 S1
- LK3839 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's cylinder block. By sealing the compression chamber from above, it enables workshop technicians to rebuild compressors in place, extending the service life of the entire unit. It functions as the top cover, housing the essential seats for inlet and discharge valves, internal air passages, and cooling cavities.Compatibility and application
This component is engineered for use in heavy commercial vehicle applications, ensuring stable air output and thermal regulation. It is compatible with Cummins engines and is designed to withstand high-pressure environments within the pneumatic system. Precise fitment ensures that the compression chamber remains sealed under heavy-duty operating conditions.Maintenance and installation guidance
When performing maintenance or repairs, technicians should verify the specific architecture of the compressor to ensure correct selection. This part is vital for maintaining optimal air pressure within the braking system. Check the compatibility list to ensure correct application.OE cross-reference
25 11 50 (Compressor Cylinder Head) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3957724S1.Other OEMs
CUMMINS
- 4898367 S1
- 4898083 S1
- 3964688 S1
- 3964687 S1
- 3957725 S1
- 3957724 S1
KNORR-BREMSE
- LK3846 S1
- LK3839 S1
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| CUMMINS | |||
| KNORR-BREMSE |
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 valve seats and air passages required for air production.
Can this part be used to rebuild an existing compressor?
Yes, this component allows a workshop technician to rebuild a compressor in place rather than replacing the entire unit.
How does this part affect compressor temperature?
The internal design of the head manages cooling cavities and air passages, which directly governs the compressor's running temperature.
How do I ensure I select the correct cylinder head?
Selection should always be based on the specific architecture of your compressor to ensure correct valve and port alignment.
What are the OE reference numbers of this part?
25 11 50 directly replaces Cummins OE number 3957724S1.