4945947 CUMMINS Twin Cylinder, Air Compressor

The technical precision of this twin cylinder air compressor ensures consistent pressure delivery within the vehicle's pneumatic braking system. Designed for high-demand environments, the component features a robust structure with a 56 mm stroke and a 495cm³ swept volume to maintain optimal air supply. Its water-cooled design provides efficient thermal management, essential for long-haul heavy commercial vehicle operations.

This specific air compressor is the OE-equivalent of the CUMMINS 4945947 twin cylinder, air compressor used in CUMMINS heavy commercial vehicle systems. It serves as a direct replacement to maintain peak system performance and reliability. The unit is specifically engineered to meet the rigorous standards of heavy-duty engine environments, ensuring compatibility with high-output mechanical architectures.

For workshop technicians, this part offers straightforward installation thanks to its standardized port dimensions, including the M27x2 air outlet and M10x1 unloader port. The water inlet and outlet utilize 3/4-16 UNF threads to ensure a secure, leak-free connection during assembly. Regular inspection of the water-cooled components and port integrity is recommended during routine service intervals to prevent system downtime.

Maintenance of the cooling circuit and monitoring of the air inlet performance are critical for extending the service life of the compressor. This component is designed to withstand high thermal loads through its water-cooled valve plate and specialized construction, making it a reliable choice for professional fleet maintenance and heavy commercial vehicle workshops.