7800 920 002 Caterpillar Engine Compressor Repair Kit

What is a compressor repair kit?

A compressor repair kit is a replacement component set used to renew a heavy commercial vehicle's air brake compressor without replacing the entire unit. These kits are essential for restoring compression efficiency and maintaining stable air pressure output within the pneumatic braking system.

Compatible vehicles and engines

This specific repair kit is compatible with Caterpillar C7, C9, C11, C13, and C15 engines. It is fitted to heavy commercial vehicles including Freightliner Columbia and Cascadia, Kenworth T600, T800, W900, and W900S, as well as International 9200I, 9400I, and 4000 Series models. Additionally, it serves Peterbilt 387, 388, 389, and 357 units, Western Star 4900 and 6900 series, Sterling A-Line and L-Line trucks, and Mack Titan vehicles.

Installation and maintenance

Technicians should inspect the cylinder liners and valve assemblies during installation to ensure an air-tight seal. Proper maintenance of the compressor components helps prevent system pressure drops and extends the service life of the entire air brake assembly. Consult your authorized distributor to check the compatibility list.

Troubleshooting guidance

Regular inspection of the piston rings and gaskets is recommended to prevent leaks in the pneumatic circuit.