Features: OE: 12562836, 19209057, 904-104, 505521 Fuel pump driver module PMD and relocation kit set for CHEVY GMC 6.5l diesel Built to strict quality control standards Maintains proper fuel pressure over the full operating range of the engine Effectively regulates voltage to the fuel pump Specification: OE: 12562836, 19209057, 904-104, 505521 Fit Models: Fits All 1994-2002 Chevy / GMC 6.5L Diesel Engines (All Detroit Diesel Engines) 1994 Chevy Blazer Full Size Fuel Pump Driver Module and Relocation Kit V8 6.5L Diesel 1995-98 Chevy C1500 Truck Fuel Pump Driver Module and Relocation Kit V8 6.5L Diesel .