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SEB01903004 Knorr-Bremse Compatible Compressor Cylinder Head

12 01 51

Summary

This heavy-duty compressor cylinder head is designed for air brake compressor rebuilds. It functions as a critical component to seal the compression chamber and manage internal air passages. Compatible with Knorr-Bremse systems to ensure reliable pneumatic performance in heavy commercial vehicles. Equivalent to OE Knorr-Bremse SEB01903004.

Product identifiers
EAN Code8699031028521
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Compatible OEM Codes

  • MAN
    • 81.54114-6048
  • KNORR-BREMSE
    • SEB01903004

Description

What does a compressor cylinder head do?

A compressor cylinder head is the cast service component that sits on top of an air brake compressor's cylinder block and seals the compression chamber from above. It is designed to allow workshop technicians to rebuild a compressor in place rather than replacing the entire unit, serving as a vital component for maintaining pneumatic system integrity.

Compatibility and system function

This specific cylinder head is compatible with Knorr-Bremse systems. It manages the internal air passages and provides the necessary seats for the inlet and discharge valves, directly governing both the air output and the running temperature of the compressor.

Installation and maintenance

When performing maintenance or repairs, technicians should verify the compressor's architecture to ensure correct fitment. Proper installation of the cylinder head is essential to maintain correct compression ratios and prevent leaks within the pneumatic circuit. Always consult your authorized distributor for guidance on selection.

Maintenance and troubleshooting

Regular inspection of the cylinder head can help prevent system failures. Check for signs of wear around the valve seats or cooling cavities to ensure optimal performance during heavy-duty operation.

OE cross-reference

12 01 51 (Compressor Cylinder Head) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number SEB01903004.

Other OEMs

KNORR-BREMSE

  • SEB01903004

MAN

  • 81541146048
  • 81.54114.6048
  • 81.54114-6048

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MAN

FAQ

What is the function of a compressor cylinder head?
The cylinder head seals the compression chamber from above and contains the inlet and discharge valve seats, governing air output and temperature.
Can this part be used to rebuild an existing compressor?
Yes, this component allows workshop technicians to rebuild a compressor in place instead of replacing the entire unit.
How do I ensure I am selecting the correct cylinder head?
Selection should always be based on the specific architecture of the compressor, such as whether it is air-cooled or water-cooled.
What are common signs that a cylinder head needs replacement?
Issues with air output, abnormal running temperatures, or leaks in the pneumatic circuit can indicate wear in the cylinder head or its seals.
What are the OE reference numbers of this part?
12 01 51 directly replaces Knorr-Bremse OE number SEB01903004.