3103403 CUMMINS M11 Single Cylinder Air Compressor

This heavy-duty single cylinder air compressor is an essential component for maintaining consistent pneumatic pressure in heavy commercial vehicle engine systems. Designed with a single cylinder architecture, it features a Ø85.00 bore and a 56 mm stroke to deliver a swept volume of 318cm³. The unit is engineered for water-cooled operation, ensuring thermal stability during intense engine cycles.

3103403 is the OE-equivalent of the CUMMINS 3103403 single cylinder air compressor used in the CUMMINS M11 engine series. This technical component is engineered to meet the exact specifications required for seamless integration into the vehicle's air system, ensuring that the pneumatic pressure remains stable under demanding driving conditions.

The assembly features a water-cooled design with specific inlet and outlet ports (3/4" - 16 UNF) to facilitate efficient heat dissipation. For workshop technicians, the part includes a specialized M27x2 air outlet port and an M10x1 air unloader port. The inclusion of the ESS feature and through-drive capability ensures compatibility with advanced engine management systems, allowing for smooth installation and long-term operational reliability in professional workshop environments.