25 08 11 Compressor Cylinder Head for WABCO and Cummins
25 08 11
Summary
This compressor cylinder head serves as the critical sealing component for air brake compressor assemblies. Designed for heavy commercial vehicle applications, it is compatible with WABCO and Cummins systems to ensure reliable air output and thermal management during operation. Equivalent to OE Cummins 3936808S1 and WABCO 9111545090S1.
| 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 cast service component that sits on top of an air brake compressor's cylinder block, sealing the compression chamber from above. It is a vital component for workshop technicians looking to rebuild compressors in place rather than replacing the entire unit. By providing the necessary seats for inlet and discharge valves, this part directly governs both air output and running temperatures.Compatible vehicle systems
This component is compatible with WABCO and Cummins systems. It is specifically designed to meet the rigorous demands of heavy commercial vehicle air brake systems, ensuring that the compression chamber remains sealed under high pressure. Proper fitment ensures stable air delivery for the entire braking system.Installation and maintenance
When performing maintenance, technicians should inspect the valve seats and internal air passages within the head to ensure optimal performance. This part helps maintain system integrity by managing heat through its internal architecture. Always verify compatibility with existing compressor models before installation to ensure correct fitment in the pneumatic system.Troubleshooting and inspection
Regular inspection of the cylinder head can prevent significant air leaks or pressure drops in the braking system.OE cross-reference
25 08 11 (Compressor Cylinder Head) is the equivalent of the Cummins and WABCO OE numbers. This part directly replaces Cummins OE numbers 3936808S1, 3944460S1, 3948842S1, 3949095S1, 3976362S1. It also replaces WABCO OE numbers 9111545090S1, 9111545100S1, 9111545110S1, 9111545190S1, 9111545200S1.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 contains the seats for inlet and discharge valves, directly influencing air output and temperature control.
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 replacing the entire unit.
Which systems is this component compatible with?
This cylinder head is compatible with WABCO systems and Cummins engine-based air brake compressors.
What are common symptoms of a faulty cylinder head?
Symptoms may include significant air leaks, inconsistent pressure output, or overheating within the pneumatic braking system.
What are the OE reference numbers of this part?
25 08 11 directly replaces Cummins OE numbers 3936808S1, 3944460S1, 3948842S1, 3949095S1, 3976362S1. It also replaces WABCO OE numbers 9111545090S1, 9111545100S1, 9111545110S1, 9111545190S1, 9111545200S1.