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911 154 519 0 S1 Compressor Cylinder Head for WABCO Systems
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911 154 519 0 S1 WABCO Compatible Compressor Cylinder Head

25 08 11

Summary

This compressor cylinder head is a heavy-duty grade component designed to seal the compression chamber of air brake compressors. It is compatible with WABCO systems and serves as a critical service part for professional rebuilding. This component ensures stable air output and temperature regulation for heavy commercial vehicle braking systems. Equivalent to OE WABCO 9111545190S1.

Product identifiers
EAN Code8699031024127
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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?

The compressor cylinder head acts as the essential cast service component that sits atop the air brake compressor cylinder block. It is designed to seal the compression chamber from above, allowing workshop technicians to rebuild a compressor in place rather than replacing the entire unit. This part is vital for maintaining consistent air pressure within the pneumatic braking system.

Vehicle and system compatibility

This cylinder head is compatible with WABCO systems and other heavy commercial vehicle air brake architectures. It serves as a direct replacement for worn or damaged covers in various compressor configurations, ensuring the integrity of the compression chamber and internal air passages.

Installation and maintenance

When performing maintenance, technicians should inspect the valve seats and cooling cavities within the head to ensure optimal performance. Proper installation of this component is critical to prevent air leaks and maintain stable running temperatures during high-load operation.

Selection guidance

Selecting the correct head depends on the specific compressor architecture, such as whether it requires air-cooled fins or water-cooled jacket channels. Consult your authorized distributor to ensure exact fitment for your specific compressor model.

OE cross-reference

25 08 11 (Compressor Cylinder Head) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9111545190S1.

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

Compatible Vehicles
BrandModelModel TypeEngine
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 governing air output and temperature.
Can this part be used to rebuild an existing compressor?
Yes, this component allows a workshop technician to rebuild a compressor in place by replacing only the top cover rather than the whole unit.
Which systems is this part compatible with?
This part is compatible with WABCO systems and various heavy commercial vehicle air brake compressor architectures.
How should I choose the correct cylinder head?
Selection should be based on the specific compressor architecture, such as whether it is an air-cooled or water-cooled type, to ensure correct fitment.
What are the OE reference numbers of this part?
25 08 11 directly replaces WABCO OE number 9111545190S1.