Marine Circulating Water Pump for Chevy (GM) Small Blocks Replaces 8503991, 17437, 3853850;

Marine Circulating Water Pump for Chevy (GM) Small Blocks Applications for Mercruiser, OMC, Volvo and Pleasurecraft This is a new pump, not remanufactured. MADE IN USA. Replaces: Mercruiser 8503991, 17437 (old 60658), OMC 3853850 (old 985429), Volvo 3853850-0, 835390-6, 856364-5, Pleasurecraft PN RA057018. Features a stainless steel shaft and non-corrosive brass, bi-directional impeller (can be used on either clockwise or counter-clockwise rotating engines). Fits late-model Chevy (GM) small block V6 and V8 engines with composite timing cover (229, 262, 305, 350 cid -- 3.8, 4.3, 5.7L). Comes with gaskets.