Fuel delivery systems have undergone a transformation - from mechanical fuel pumps on carbureted engines to in-line electric fuel pumps feeding fuel injection systems. Whether you"re servicing a carbureted or fuel injected fuel system, Mallory Marine most likely has a reliable OEM quality fuel pump to fit your application. Highest Quality components meet or exceed OEM specifications. True "Marine" fuel pumps for the best performance and safety. Fuel Pump, Electric replaces : Mercury 805656-1. Fits: GM V-6 4.3L/262.