03/03/2026
The US Motor Works Water Pump PN US318-2 is built to keep heavy-duty performance on track for Cummins ISX / QSX 12 Liter EPA 10 engines. Designed for durability, proper coolant flow, and long service life, this pump helps maintain consistent operating temperatures under demanding loads, long hauls, and high-heat environments. Precision construction and dependable performance make the US318-2 a solid choice for fleets, owner-operators, and performance diesel builds looking to prevent overheating and maximize engine reliability. Like all US Motor Works Water Pumps, US318-2 is a 100 Percent NEW Water Pump. NOT remanufactured.
The US Motor Works Water Pump PN US318-2 is built to keep heavy-duty performance on track for Cummins ISX / QSX 12 Liter EPA 10 engines. Designed for durabil...