Sierra Circulating Water Pump 18-3577-2 Bi-Directional

Fits: GM V-8 (454 & 502 CID) engines

Replaces:

Crusader: 17670, 30103, 67859, 811573

For: Big block Gm engines with stamped steel timing covers

GM:  6269358 , OMC 987447, 983296, 986074, 3854118

Mercruiser Stern Drive :17670, 46-8M0113735, 49139, 54534, 59972, 67859, 811573, 850454, 850454002, 8504541, 878342, F6269358, FI1100997, FI1101053

OMC Stern Drive: 3854118, 983296, 986074, 987447

Pleasurecraft: RA057019

Volvo Penta: 3855991, 856609