Industrial 57K0251 Fuel Water Separator Kit for M939 Series Trucks

The USGI 57K0251 Fuel Water Separator Kit is a diesel fuel filtration upgrade for M939 Series 5-Ton trucks, designed to remove water and contaminants from fuel before it reaches the Cummins diesel engine. Used in the fuel system for replacement, upgrade, and maintenance in military vehicle programs, it is compatible with M923, M925, M927, M928, M929, M931, M932, M936, M939 and A1/A2 variants. Kit contents include filter housing, filter element, mounting bracket, hoses, fittings, hardware, and installation instructions, and it carries part numbers USGI 57K0251, alternate 12432296, and NSN 4930-01-387-1147.