POWERCO E3621S SP01A1H Fuel Pump Replacement For 1988 1989 1990 1991 1992 1993 1994 1995 Chevrolet GMC K3500 K2500 K1500 C3500 C2500 C1500, 1991 1992 1993 1994 1995 GMC C3500HD with Sending Unit Package includes: Fuel Pump, Sending Unit, Float, Fuel Strainer and Tank Seal (O-ring) COMPATIBLE WITH OEM: E3621S 402P3621S SP01A1H 19111396, 25028499, 25028611 Date For Reference:Type: Peripheral, Volts:12,Outlet Size:3/8 in. Outlet Type:Threaded GPH (Free Flow) 60-70,Max Pump PSI (Not System) 10-20 Warranty: 1 Year Unlimited Miles. Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase