3944525 | Genuine Cummins® Air Compressor For Cummins ISL, ISC, QSL9 DEF Air Filter Diagnostic tools may show: Communication

Diagnostic tools may show: Communication errors with ABS module

- Xpeditor L9 2019

During hard braking or slippery conditions

Signs of a Bad Short Turbocharger 3773561:

especially at startup

3944525 | Genuine Cummins® Air Compressor For Cummins ISL, ISC, QSL9 DEF Air Filter Diagnostic tools may show: CommunicationDescription: An Air Compressor 3944525 is the engine driven pump that supplies compressed air for a truck or bus air brake system. Single Cylinder Air Compressor For Cummins ISL, ISC, QSL9 Part Number: 3944525 Condition: New Manufacture Brand: Cummins Fits 3944525 For Cummins Engine Cummins ISC ISC 8. 3 Cummins ISL ISL9 Cummins QSC QSL9 Some ISB QSB applications Purpose of using 3944525: 1. Operates the air brakes (primary purpose) Supplies compressed