Original equipment high pressure electric fuel pump & regulator kit for Mercruiser Gen III Cool Fuel systems includes pump, regulator, isolator & seals. Fuel Cooler Kit | Quicksilver 8M0125846 Fuel Cooler Kit Replaces Mercury/Mercruiser 861156A02 Fits select GM V'6 & V'8 (305, 350, 377, 454 & 502 cid EFI engines; also fits all 496 cid models; and select Black Scorpion models. This cooler is distinguishable by the blue drain plug and fuel line retainer screw that runs perpendicular to the fuel line routing.