3949095 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 systems. It is compatible with Cummins systems and serves as a critical replacement part for rebuilding air brake compressors to ensure reliable air output and thermal stability. Equivalent to OE Cummins 3949095S1.
| 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 acts as the essential cast service component that sits atop the air brake compressor cylinder block. By sealing the compression chamber from above, it allows workshop technicians to rebuild a compressor in place rather than replacing the entire unit. This component is vital for maintaining the integrity of the compression process in heavy commercial vehicle systems.Compatibility and function
This cylinder head is compatible with Cummins systems and is designed to meet the rigorous demands of heavy-duty operation. It functions by housing the seats for the inlet and discharge valves, managing internal air passages, and facilitating cooling through specific cavities to govern both air output and running temperatures.Installation and maintenance
During installation, technicians should verify the port configurations and ensure all sealing surfaces are clean to prevent pressure loss. Proper fitment ensures the compressor maintains stable operating temperatures under sustained high loads, which is critical for the longevity of the entire pneumatic system.System reliability
Regular inspection of the cylinder head can prevent system failures by identifying early signs of wear in the valve seats or cooling passages.OE cross-reference
25 08 11 (Compressor Cylinder Head) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3949095S1.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?
The cylinder head seals the compression chamber from above and houses 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 a workshop technician to rebuild an air brake compressor in place instead of requiring a complete unit replacement.
Which systems is this component compatible with?
This part is designed to be compatible with Cummins systems within heavy commercial vehicle pneumatic braking architectures.
How does the cylinder head affect compressor temperature?
The internal design of the head manages cooling cavities and air passages to ensure stable operating temperatures during high-load cycles.
What are the OE reference numbers of this part?
25 08 11 directly replaces Cummins OE number 3949095S1.