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LK3857 S3 Unloader Kit for Knorr-Bremse Systems

2500 140 320

Summary

This compressor unloader kit is designed for heavy commercial vehicle air brake systems. It ensures precise pressure regulation and reliable operation of the compressor unloader function, maintaining compatibility with Knorr-Bremse systems. Equivalent to OE Knorr-Bremse LK3857S3.

Product identifiers
EAN Code8699031045290
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Compatible OEM Codes

  • KNORR-BREMSE
    • LK3857 S3

Description

What does a compressor unloader kit do?

This compressor unloader kit plays a vital role in the pneumatic air brake system of heavy commercial vehicles. It manages the unloader valve mechanism, ensuring that the compressor can release pressure at the correct intervals to maintain stable system pressure.

System compatibility and fitment

The component is specifically engineered to be compatible with Knorr-Bremse systems. This ensures that the air brake compressor functions within its intended operational parameters, providing reliable service for fleet managers and workshop technicians.

Maintenance and installation guidance

For proper maintenance, technicians should inspect unloader components during routine air system servicing. Ensuring that all seals and moving parts within the kit are correctly seated will prevent pressure drops or continuous pumping issues in the pneumatic circuit.

Troubleshooting and selection

Consult your authorized distributor to ensure correct fitment for your specific compressor model.

OE cross-reference

2500 140 320 (Compressor Unloader Kit) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number LK3857S3.

Other OEMs

KNORR-BREMSE

  • LK3857 S3

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE

FAQ

What is the function of a compressor unloader kit?
The kit facilitates the unloading process within the air compressor, allowing it to stop pumping once the target air pressure is reached in the system.
Is this kit compatible with Knorr-Bremse systems?
Yes, this component is designed to be compatible with Knorr-Bremse systems used in heavy commercial vehicle air brake applications.
When should an unloader kit be replaced?
It should be inspected if there are signs of inconsistent air pressure regulation or if the compressor fails to unload during standard operation.
Can this be used in heavy commercial vehicle air brakes?
Yes, this kit is specifically intended for use within the pneumatic systems of heavy commercial vehicles to ensure reliable braking performance.
What are the OE reference numbers of this part?
2500 140 320 directly replaces Knorr-Bremse OE number LK3857S3.