3969110 CUMMINS QSL9 Single Cylinder, Air Compressor

This single cylinder air compressor is a critical component within the engine's pneumatic system, designed to provide consistent air pressure for heavy commercial vehicle applications. Built with high-strength components, the unit features a Ø85.00 cylinder bore and a 56 mm stroke to maintain optimal volumetric efficiency during operation.

3969110 is the OE-equivalent of the CUMMINS 3969110 single cylinder air compressor used in CUMMINS QSL and QSL9 engines. This assembly is engineered to meet precise technical requirements, ensuring seamless integration with the existing engine architecture and maintaining system pressure stability.

Designed for professional workshop technicians, this water-cooled unit features a 3/4" - 16 UNF inlet and outlet port configuration to manage thermal loads effectively. The integration of the ESS feature and a robust M27x2 air outlet ensures reliable performance under heavy-duty cycles. Regular inspection of the water cooling lines and port integrity is recommended during routine maintenance to ensure longevity.

Technical specifications include a 318cm³ swept volume and an M10x1 air unloader port. This component is specifically optimized for high-demand environments where consistent air supply is vital for vehicle safety and operational efficiency.