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65256373 S1 Compressor Cylinder Head for Iveco
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65256373 S1 Iveco Compatible Compressor Cylinder Head

15 05 10

Summary

This heavy-duty compressor cylinder head is designed for Iveco heavy commercial vehicle air brake systems. It functions as the critical sealing component for the compressor block, ensuring efficient air compression and thermal management within the pneumatic system. Equivalent to OE Iveco 65256373S1.

Product identifiers
EAN Code8699031034768
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Compatible OEM Codes

  • IVECO
    • 99440223 S1
    • 99440222 S1
    • 65256373 S1
    • 65006373 S1
    • 65006372 S1
  • KNORR-BREMSE
    • AC63ZBG S1
    • AC63ZB S1
    • AC63ZAG S1
    • AC63ZA S1

Description

What does a compressor cylinder head do?

A compressor cylinder head is the cast service part that closes off the top of an air brake compressor's cylinder block and carries the seats for the inlet and discharge valves.

System function and performance

This component is essential for maintaining pressure within the pneumatic system, preventing leaks, and routing compressed air through the discharge port. It is engineered to withstand high-pressure environments and helps manage heat dissipation during the compression cycle, ensuring consistent performance for heavy commercial vehicle air systems.

Fitment and compatibility

This specific cylinder head is designed to be compatible with Iveco vehicles. For precise fitment, technicians should verify the compressor architecture, as heads vary between single-cylinder and twin-cylinder configurations, as well as air-cooled or water-cooled designs.

Maintenance and replacement

When performing maintenance, inspect the valve seats and mounting surfaces for any signs of uneven wear or erosion. Replacing the cylinder head can allow for a comprehensive rebuild of the compressor unit, restoring original pneumatic efficiency without requiring a full assembly replacement. Consult your authorized distributor to ensure correct application.

OE cross-reference

15 05 10 (Compressor Cylinder Head) is the equivalent of the Iveco OE number. This part directly replaces Iveco OE number 65256373S1.

Other OEMs

IVECO

  • 99440223 S1
  • 99440222 S1
  • 65256373 S1
  • 65006373 S1
  • 65006372 S1

KNORR-BREMSE

  • AC63ZBG S1
  • AC63ZB S1
  • AC63ZAG S1
  • AC63ZA S1

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
IVECO
KNORR-BREMSE

FAQ

What is the function of a compressor cylinder head?
The cylinder head seals the top of the compressor block and houses the inlet and discharge valves, ensuring air is compressed and routed correctly without leakage.
Which vehicle types use these cylinder heads?
These components are used in heavy commercial vehicles, including trucks and buses, that rely on pneumatic air brake systems for operation.
How do I know if my cylinder head needs replacement?
Symptoms of a failing head include consistent air leaks from the compressor block or a loss of pressure within the pneumatic braking system.
Can this part be used to rebuild an existing compressor?
Yes, replacing the cylinder head allows technicians to rebuild a compressor in place, restoring performance more efficiently than replacing the entire unit.
What are the OE reference numbers of this part?
15 05 10 directly replaces Iveco OE number 65256373S1.