OEM Number: Replacement For Mercruiser 861155A3; Replacement For Mallory 935432; Replacement For Sierra 18-8868. Replace your factory items directly.(Pls check your vehicle information and the oem number before purchasing.) 861155A3 for Mercruiser Fuel Pump Fitments: Replacement For Mercury Marine 4.3L 262 1998; Replacement For Mercury Marine 5.0L 305 2000; Replacement For Mercury Marine 5.7L 350 2000; Fits with MCM/MIE 4.3L/V6 and 5.0L/V8 Gen+ and some 350 ci carburetors. High Quality for Mercruiser 861155A3: The low pressure marine fuel pump use of high-quality raw materials to ensure the durability of products. This pump looks the same externally as the fuel pump of a fuel injection engine, but the small end is threaded (fuel injection pumps do not have threads at the small end). The fuel pump is derived from the carbonized engine and will not be exchanged with the fuel injection engine fuel pump. The Fuel Pump 18-8868 861155A3 Includes: 1Pack electric fuel pump; with sealing gasket and electrical connector plug. Simple two wire design, direct replace. Note: This is a low pressure pump threaded on the small outlet end. This fuel pump is suitable for carbonized engines and is not compatible with fuel injection engines. STZJAYE Electric Fuel Pump 861155A3 Compatible with Mercury Mercruiser Marine Boat 4.3L 5.0L 5.7L V6 V8 Low Pressure Fuel Pump Carburetor Engines Replace 18-8868 935432