3966520 CUMMINS ISLE Single Cylinder, Air Compressor

This single cylinder air compressor is engineered to provide reliable pneumatic pressure within the heavy commercial vehicle engine system. Designed for durability, the component manages high-pressure air generation through a robust single-cylinder architecture, ensuring consistent performance under demanding operating conditions. The unit utilizes a water-cooling system to maintain optimal thermal stability during continuous operation.

3966520 is the OE-equivalent single cylinder air compressor used in the CUMMINS ISLE and ISL engine series. This component is engineered to meet strict technical standards for compatibility with CUMMINS systems, ensuring a seamless fit and function within the engine's air management architecture. It serves as a critical replacement part for maintaining the pneumatic integrity of the vehicle's braking and auxiliary systems.

Technical assembly requires attention to the water cooling ports, which utilize 3/4" - 16 UNF connections for both inlet and outlet. The unit features a Ø85.00 bore and a 56 mm stroke, providing a swept volume of 318cm³. Workshop technicians should ensure that the M27x2 air outlet and M10x1 unloader port connections are secured according to standard industrial maintenance protocols to prevent pressure leaks or thermal irregularities during service.