Premium ISM QSM M11 Diesel Fuel Pump 3417677 designed for high-performance engines. Precision-engineered with hardened steel gears and reinforced polymer housing for extreme durability under heavy loads. Direct OEM replacement ensures perfect fitment for Cummins M11 engines in industrial machinery, trucks, and marine applications. Advanced pressure regulation technology maintains optimal fuel delivery at 3,500-4,500 psi operating range. Corrosion-resistant nickel plating extends service life in harsh environments. Includes factory-calibrated relief valve for consistent pressure control. Bulk purchase available with global shipping and wholesale pricing for fleet maintenance operations. Tested to exceed OEM specifications for leak-proof performance.