3944525 CUMMINS QSL9 Single Cylinder, Air Compressor

This single cylinder air compressor is engineered to provide reliable pneumatic pressure within heavy commercial vehicle engine systems. Designed with high-strength components, it features a water-cooling system to maintain optimal operating temperatures during intensive service cycles. The robust construction ensures that the compressor maintains consistent performance even under demanding-duty cycles typical of long-haul transport.

3944525 is the OE-equivalent CUMMINS single cylinder air compressor used in the CUMMINS QSL9 and QSL engine series. This component is specifically designed to match the exacting requirements of high-performance diesel engines, ensuring full compatibility with original equipment standards. By maintaining strict adherence to technical dimensions such as the Ø85.00 bore and M27x2 outlet port, it provides a seamless fit for workshop technicians.

For workshop technicians performing engine maintenance or system overhauls, this unit offers straightforward installation and reliable integration. The inclusion of an ESS feature and specific water inlet/outlet ports (3/4" - 16 UNF) allows for efficient heat dissipation and system stability. Regular checks of the air unloader port and water cooling lines are recommended to ensure long-term durability during heavy-duty operations.