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3286649 S1 Compressor Cylinder Head for Cummins Engines

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3286649 S1 Cummins Compatible Compressor Cylinder Head

25 12 50

Summary

This compressor cylinder head is a critical component for air brake compressors, designed to seal the compression chamber and manage air flow. It is compatible with Cummins systems and is built from high-strength components to ensure durability in heavy commercial vehicle applications. Equivalent to OE Cummins 3286649S1.

Product identifiers
EAN Code8699031044798
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Compatible OEM Codes

  • CUMMINS
    • 3286649 S1
    • 3286646 S1
    • 3286449 S1
    • 3286446 S1
    • 3286430 S1
  • KNORR-BREMSE
    • LK3850 S1

Description

What does a compressor cylinder head do?

This compressor cylinder head serves as the primary sealing component situated atop the air brake compressor cylinder block. By sealing the compression chamber from above, it allows workshop technicians to rebuild compressors in place, extending the service life of the entire unit. This component directly governs both the air output and the operating temperature of the compressor system.

Engine and system compatibility

This specific cylinder head is designed for use in heavy commercial vehicle air brake systems and is compatible with Cummins engines. It ensures precise valve seating and stable internal air passage regulation during high-pressure cycles.

Installation and maintenance

When performing maintenance, technicians should verify the compressor architecture to ensure correct fitment. Proper installation of the cylinder head is essential for maintaining consistent air pressure and preventing leaks within the pneumatic circuit. Always check the compressor's own reference number to ensure correct compatibility.

Troubleshooting and selection

Regular inspection of the head and its internal valve seats can prevent system pressure drops. Consult your authorized distributor for fitment guidance.

OE cross-reference

25 12 50 (Compressor Cylinder Head) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3286649S1.

Other OEMs

CUMMINS

  • 3286649 S1
  • 3286646 S1
  • 3286449 S1
  • 3286446 S1
  • 3286430 S1

KNORR-BREMSE

  • LK3850 S1

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
CUMMINS
KNORR-BREMSE

FAQ

What is the function of a compressor cylinder head?
The cylinder head seals the compression chamber from above and houses the seats for the inlet and discharge valves, directly affecting air output.
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.
Which systems is this part compatible with?
This part is designed for air brake compressors and is compatible with Cummins engine systems.
How should I ensure I am selecting the correct head?
Selection should always be based on the compressor's own reference number to account for different architectures like water-cooled or air-cooled types.
What are the OE reference numbers of this part?
25 12 50 directly replaces Cummins OE number 3286649S1.