4991799 CUMMINS ISC Single Cylinder, Air Compressor

This single cylinder air compressor serves as a critical component within the engine air system, providing the necessary pneumatic pressure required for heavy commercial vehicle operations. Designed with a water-cooled architecture, it ensures consistent performance even under high-load thermal conditions. The unit features an air inlet port of Ø25 and an air outlet port of M27x2, ensuring precise integration with existing mechanical setups.

4991799 is the OE-equivalent single cylinder air compressor used in CUMMINS ISC engines. This product is fully compatible with the CUMMINS 4991799 specifications, maintaining the high standards required for heavy-duty industrial engine systems. The assembly is specifically engineered to meet the rigorous demands of heavy commercial vehicle maintenance and long-term durability.

For workshop technicians and fleet managers, this component offers straightforward installation and reliable integration. With a swept volume of 318cm³ and specialized ports including an M10x1 air unloader port, it is designed for precision and ease of service. Regular maintenance of the water inlet and outlet ports (3/4" - 16 UNF) is recommended to ensure the longevity of the cooling system and overall compressor efficiency.