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I88057ES Cylinder Head for Air Brake Compressors
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I88057ES Knorr-Bremse Compatible Cylinder Head

11 08 20

Summary

This cylinder head is a high-strength component designed for air brake compressors compatible with Knorr-Bremse systems. It serves as the critical seal for the compression chamber, ensuring reliable air pressure delivery and temperature regulation in heavy commercial vehicle braking systems. Equivalent to OE Knorr-Bremse I88057ES.

Product identifiers
EAN Code8699031019338
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Compatible OEM Codes

  • KNORR-BREMSE
    • ZB 4275
    • K033367N50
    • I88057ES
    • I88057

Description

What does a cylinder head do?

The cylinder head acts as the essential cast service component situated atop the air brake compressor's cylinder block. Its primary function is to seal the compression chamber from above, allowing workshop technicians to rebuild a compressor in place instead of replacing the entire unit. This component directly governs both the air output and the running temperature of the compressor.

Vehicle and system compatibility

This specific part is compatible with Knorr-Bremse systems. It is designed to withstand heavy-duty operating conditions, ensuring a secure seal within the pneumatic circuit. By replacing only the head, fleet managers can achieve cost-effective maintenance while restoring the original performance of the braking system.

Installation and maintenance guidance

When performing installation, technicians should inspect the cylinder block surface and ensure all internal air passages are clear. Proper seating of the head is critical to prevent pressure leaks and ensure stable thermal management during high-load operations. Always consult your authorized distributor regarding exact fitment requirements.

OE cross-reference

11 08 20 (Compressor Cylinder Head) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number I88057ES.

Other OEMs

KNORR-BREMSE

  • ZB4275
  • ZB 4275
  • K033367N50
  • I88057ES
  • I88057

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MERCEDES BENZ

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, 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 rather than replacing the entire unit.
Is this component compatible with Knorr-Bremse?
This cylinder head is designed to be compatible with Knorr-Bremse systems used in heavy commercial vehicles.
What should be checked during installation?
Technicians should verify that the cylinder block surface is clean and that all internal air passages are free of debris to ensure a proper seal.
What are the OE reference numbers of this part?
11 08 20 directly replaces Knorr-Bremse OE number I88057ES.