Sierra 18-3577-2 Circulating Water Pump Replaces 8504541
Sierra 18-3577-2 Circulating Water Pump Replaces 8504541, Sierra 18-3577-2 Big Block Water Circulating Pump for Mercruiser, Volvo, OMC For: Big block GM engines with stamped steel timing covers; (Bi-Directional); Used on Mercruiser, Crusader, OMC, Pleasurecraft and Volvo Penta Marine engines.; s/s from 18-3577-1Interchangeable with: Crusader; 17670; 30109; 67859; 811573; EMP; 95-01660; GM; 6269358; Mercruiser Stern Drive; 17670; 46-8M0113735; 49139; 54534; 59972; 67859; 811573; 850454; 850454002; 8504541; 878342; F6269358; FI1100997; FI1101053; MES; WP415M; OMC Inboard; 6269358; OMC Stern Drive; 3854118; 3855991; 983296; 986074; 987447; Pleasurecraft; RA057019; Volvo Penta; 3855991; 856609;