Description Water Pump Repair Kit Phenolic Impeller Cummins L10/M11/ISM/QSM Application High quality construction to ensure a perfect seal between water pump, gasket, and engine Direct replacement for Cummins water pump PN 3803261 Cummins L10, M11, ISM Application Genuine PAI product including a factory 2-Year Warranty Quality You Can Trust – PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards