1300 220 310 Knorr-Bremse Unloader Kit Equivalent

What does an unloader kit do?

The compressor unloader kit serves as a critical component within the air brake compressor assembly, regulating the internal air pressure to ensure the system operates within safe parameters. By managing the unloader mechanism, this kit helps maintain stable pneumatic pressure throughout the braking circuit, preventing overpressure or excessive engine load during operation.

Compatible vehicles and engines

This specific unloader kit is compatible with Knorr-Bremse systems and is fitted to a wide range of heavy commercial vehicles. It is used in Volvo models such as the FH16, FMX, FH13, FM13, VNL, B13R, FM11, and VHD, as well as Renault Trucks Magnum, Premium, and Kerax. Additionally, it is suitable for Mack Granite and Pinnacle trucks featuring MP7 or MP8 engines.

Installation and maintenance

For workshop technicians performing pneumatic system maintenance, this kit provides an efficient solution for restoring compressor function without the need for a complete unit replacement. When installing the kit, ensure all seating surfaces are clean to maintain an air-tight seal and check that all connections are torqued to specification to prevent leaks.

Troubleshooting guidance

Regular inspection of the unloader mechanism can prevent unexpected downtime caused by air pressure fluctuations. Consult your authorized distributor to confirm exact fitment for your specific engine configuration.

OE cross-reference

1300 220 310 (Compressor Unloader Kit) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number K034874K50.