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3964688 S3 Cummins LF55 Compressor Repair Kit

2500 110 750

Summary

This compressor repair kit is designed for heavy commercial vehicle air brake systems. It is compatible with Cummins LF55 and LF45 engine series to ensure reliable pneumatic operation and system integrity. Equivalent to OE Cummins 3964688S3.

Product identifiers
EAN Code8699031044576
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Compatible OEM Codes

  • CUMMINS
    • 4898367 S3
    • 4898083 S3
    • 3964688 S3
    • 3964687 S3
    • 3957725 S3
    • 3957724 S3
  • KNORR-BREMSE
    • LK3846 S3
    • LK3839 S3

Description

What does a compressor repair kit do?

This compressor repair kit provides the necessary components to restore the efficiency of air brake compressors. It is engineered to withstand the high-pressure demands of heavy commercial vehicle pneumatic systems, ensuring long-term durability and consistent air delivery.

Engine compatibility and fitment

This specific kit is compatible with Cummins engines, specifically designed for the LF55 and LF45 series. It maintains the operational integrity of the compressor assembly within the engine system.

Installation and maintenance

When performing maintenance or overhauls, technicians should inspect all seals and internal components to ensure proper fitment. Proper installation helps prevent air leaks and maintains stable pressure within the braking circuit.

System reliability

Regular inspection of the compressor assembly can prevent unexpected downtime in heavy-duty applications. Using high-strength components ensures that the pneumatic system remains reliable under constant load.

OE cross-reference

2500 110 750 (Compressor Repair Kit) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3964688S3.

Other OEMs

CUMMINS

  • 4898367 S3
  • 4898083 S3
  • 3964688 S3
  • 3964687 S3
  • 3957725 S3
  • 3957724 S3

KNORR-BREMSE

  • LK3846 S3
  • LK3839 S3

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
CUMMINS
CUMMINS -
CUMMINS ISBe
CUMMINS ISDe
CUMMINS LF45
CUMMINS LF55
DONGFENG Captain ISBe
DONGFENG Duolika ISBe
DONGFENG Tianjin ISBe
FORD Cargo ISBe
KAMAZ 4308 ISBe
KAMAZ 5308 ISBe
KAMAZ 65115 ISBe
KNORR-BREMSE
LIAZ 5292 ISBe
NEFAZ 5299 ISBe
PAZ 3204 ISBe
PAZ 3237 ISBe
VOLKSWAGEN Constellation ISBe
YUTONG ZK6118 ISBe
ZHONGTONG LCK6118 ISBe

FAQ

What is the application of this repair kit?
This kit is used to service and rebuild air brake compressors to maintain proper pneumatic pressure in heavy commercial vehicles.
Which engines is this kit compatible with?
The kit is designed specifically for use with Cummins engines, including the LF45 and LF55 models.
How can I ensure proper fitment during installation?
Technicians should verify that all existing seals are removed and that all new components match the technical requirements of the compressor assembly.
When should a compressor repair kit be used?
It should be used during scheduled maintenance or when symptoms of air pressure loss or mechanical wear in the compressor are detected.
What are the OE reference numbers of this part?
2500 110 750 directly replaces Cummins OE number 3964688S3.