5286677 CUMMINS QSL9 Single Cylinder, Air Compressor

This single cylinder air compressor is engineered to provide reliable air pressure for heavy-duty engine systems. Designed with high-strength components, it ensures consistent performance in demanding environments. The unit features a water-cooling system to manage thermal loads effectively during operation, maintaining optimal efficiency for the entire pneumatic system.

5286677 is the OE-equivalent of the CUMMINS 5286677 single cylinder air compressor used in the CUMMINS QSL9 and QSL engine series. This component is precision-engineered to match the specific requirements of heavy commercial vehicle engine architectures, ensuring a perfect fit and long-term durability within the engine compartment.

The assembly features a Ø85.00 cylinder bore and a 56 mm stroke, providing a swept volume of 318cm³. It is equipped with an Ø25 air inlet port and an M27x2 air outlet port, along with an M10x1 air unloader port. The water cooling ports utilize 3/4 - 16 UNF connections to ensure secure fluid management and stable thermal regulation during high-load cycles.

Workshop technicians can rely on this part for straightforward installation and maintenance. The through-drive design and integrated ESS feature allow for reliable integration into existing engine setups. Regular inspection of the water inlet and outlet ports is recommended to maintain optimal cooling performance in heavy commercial vehicle applications.