Skip to content
1230 Views Updated

2500 120 750 Cummins compatible Compressor Repair Kit

2500 120 750

Summary

This compressor repair kit is designed to restore the performance of air brake compressors. It is compatible with Cummins and Knorr-Bremse systems, ensuring reliable operation in heavy commercial vehicle air brake systems. High-strength components used to ensure durability under heavy-duty conditions. Equivalent to OE Cummins 3286430S4 and Knorr-Bremse LK3850S4.

Product identifiers
EAN Code8699031044804
Ready to Order
Get Information

Compatible OEM Codes

  • CUMMINS
    • 3286649 S4
    • 3286646 S4
    • 3286449 S4
    • 3286446 S4
    • 3286430 S4
  • KNORR-BREMSE
    • LK3850 S4

Description

What does a compressor repair kit do?

This compressor repair kit plays a vital role in maintaining the integrity of the pneumatic system by restoring critical sealing and structural components. Designed for high-duty cycle applications, these kits help prevent pressure loss and ensure consistent air delivery for braking functions.

System compatibility and fitment

This kit is compatible with Cummins and Knorr-Bremse systems. It is engineered to meet the rigorous requirements of heavy commercial vehicle air brake systems, providing a reliable solution for workshop technicians and fleet managers looking to extend the service life of existing hardware.

Installation and maintenance

When performing maintenance, ensure all surfaces are clean and inspect the compressor housing for any signs of excessive wear. Using high-strength components during assembly helps maintain the required pressure levels and prevents premature failure of the pneumatic circuit.

Troubleshooting and selection

Regular inspection of compressor internal components can prevent major system failures. If pressure buildup is inconsistent, a comprehensive kit replacement is often the most efficient way to restore system reliability.

OE cross-reference

2500 120 750 (Compressor Repair Kit) is the equivalent of the Cummins and Knorr-Bremse OE numbers. This part directly replaces Cummins OE numbers 3286430S4, 3286446S4, 3286449S4, 3286646S4, 3286649S4. It also replaces Knorr-Bremse OE number LK3850S4.

Other OEMs

CUMMINS

  • 3286649 S4
  • 3286646 S4
  • 3286449 S4
  • 3286446 S4
  • 3286430 S4

KNORR-BREMSE

  • LK3850 S4

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
CUMMINS
KNORR-BREMSE

FAQ

What is the purpose of this compressor repair kit?
The kit contains essential components required to overhaul or repair an air brake compressor, restoring its ability to maintain proper system pressure.
Is this kit compatible with Knorr-Bremse systems?
Yes, this repair kit is designed to be compatible with Knorr-Bremse systems used in heavy commercial vehicles.
Can I use this for Cummins compressors?
This kit is specifically engineered to be compatible with Cummins engine and compressor systems.
When should I replace the compressor repair kit?
Technicians should consider replacement if there are signs of air leaks, loss of pressure, or if standard maintenance intervals for the pneumatic system have been reached.
What are the OE reference numbers of this part?
2500 120 750 directly replaces Cummins OE numbers 3286430S4, 3286446S4, 3286449S4, 3286646S4, 3286649S4. It also replaces Knorr-Bremse OE number LK3850S4.