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21 02 11 WABCO Compatible Compressor Cylinder Head

21 02 11

Summary

This compressor cylinder head is a critical component designed to seal the compression chamber and manage air output. It is compatible with WABCO systems and manufactured using high-strength components to ensure durability in heavy commercial vehicle air brake systems. Equivalent to OE WABCO 9121406534.

Product identifiers
EAN Code8699031042275
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Compatible OEM Codes

  • WABCO
    • 912 140 653 4

Description

What does a compressor cylinder head do?

A compressor cylinder head serves as the vital cast component that sits atop the air brake compressor's cylinder block to seal the compression chamber from above. This part is essential for workshop technicians looking to rebuild a compressor in place rather than replacing the entire unit. It houses the seats for the inlet and discharge valves, internal air passages, and cooling cavities, directly governing both air output and operating temperature.

Compatibility and application

This component is designed for heavy commercial vehicle applications and is compatible with WABCO systems. By replacing only the cylinder head, fleet managers can extend the service life of existing air brake compressors while maintaining system integrity.

Installation and maintenance

During installation, technicians should ensure that all valve seats and internal passages are free of debris to prevent pressure loss. Regular inspection of the head surface and sealing areas is recommended to maintain optimal air delivery and prevent temperature fluctuations during high-load operation.

System performance

Consult your authorized distributor.

OE cross-reference

21 02 11 (Compressor Cylinder Head) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9121406534.

Other OEMs

WABCO

  • 9121406534
  • 912.140.653.4
  • 912 140 653 4

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
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 influencing air output and temperature control.
Can this part be used to rebuild an existing compressor?
Yes, it allows workshop technicians to perform an in-place rebuild of the compressor rather than replacing the entire unit.
Which systems is this cylinder head compatible with?
This specific component is designed to be compatible with WABCO systems used in heavy commercial vehicles.
What should be checked during installation?
Technicians should verify that all internal air passages and valve seats are clean to ensure proper sealing and efficient airflow.
What are the OE reference numbers of this part?
21 02 11 directly replaces WABCO OE number 9121406534.