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12 03 10 Compressor Cylinder Head, Air Brake Compressors
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12 03 10 MAN Compatible Compressor Cylinder Head

12 03 10

Summary

This compressor cylinder head is engineered for heavy commercial vehicle air brake systems, specifically compatible with MAN engines and WABCO systems. It features high-strength components designed to withstand demanding operating environments in the air brake assembly. Equivalent to OE MAN 51541146081 and WABCO 4120908012.

Product identifiers
EAN Code8699031016924
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Compatible OEM Codes

  • WABCO
    • 412 090 804 2
    • 412 090 803 2
    • 412 090 801 2
  • MAN
    • 51.54114-6081

Description

What does a compressor cylinder head do?

This compressor cylinder head serves as a critical component within the air brake compressor assembly, managing the combustion or compression chamber sealing to ensure consistent air pressure. It is manufactured using high-strength components to maintain structural integrity under extreme thermal and pressure cycles common in heavy commercial vehicle braking systems.

Vehicle and system compatibility

This specific part is designed for compatibility with MAN vehicles and is also suitable for use in systems compatible with WABCO. The architecture of the head ensures precise valve seating and optimal airflow, which is essential for the reliability of the pneumatic braking system.

Installation and maintenance guidance

When replacing this component, technicians should verify the compressor's architecture and ensure that all gaskets and valve plates are inspected for wear. Proper installation is vital to prevent air leaks and maintain the correct compression ratio within the compressor unit.

System reliability and troubleshooting

Maintaining the integrity of the cylinder head helps prevent system-wide pressure drops. Regular inspection of the mounting surfaces and ports is recommended during routine service intervals to ensure long-term performance.

OE cross-reference

12 03 10 (Compressor Cylinder Head) is the equivalent of the MAN and WABCO OE numbers. This part directly replaces MAN OE number 51541146081. It also replaces WABCO OE numbers 4120908012, 4120908032, 4120908042.

Other OEMs

MAN

  • 51541146081
  • 51.54114.6081
  • 51.54114-6081

WABCO

  • 4120908042
  • 4120908032
  • 4120908012
  • 412.090.804.2
  • 412.090.803.2
  • 412.090.801.2
  • 412 090 804 2
  • 412 090 803 2
  • 412 090 801 2

Related Products

Used In

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MAN
WABCO

FAQ

What is the function of a compressor cylinder head?
The cylinder head seals the top of the compression chamber, providing a stable housing for valves and ensuring the efficient compression of air required for braking.
Which vehicle brands is this part compatible with?
This component is designed to be compatible with MAN vehicles and works within systems compatible with WABCO.
How can I know if my compressor needs a new cylinder head?
Symptoms such as consistent air pressure loss, visible leaks around the head gasket, or unusual engine noise during compression cycles may indicate failure.
Can this part be used in any air brake compressor?
No, selection must be based on the specific compressor architecture and engine type to ensure proper fitment and performance.
What are the OE reference numbers of this part?
12 03 10 directly replaces MAN OE number 51541146081. It also replaces WABCO OE numbers 4120908012, 4120908032, 4120908042.