Sierra Spanner Nut - Mercruiser. Replaces: 79448 For: V-6 Part Number SRA-S18-3751

Sierra Nut and Washer Kit - Mercruiser. Fits: Mercruiser R/MR/Alpha/Gen II Drives Part Number SRA-S18-72005

Sierra Rotor - Mercruiser Replaces: 898253009 GM V-8 engines w/Delco HEI-1998 and newer (except MPI engines with 555 ECM) Part Number SRA-S18-5402

Sierra Hose Barb - Mercruiser. Replaces: 22-807155 3/4” - 14 NPT x 1” Hose Corrosion-Resistant Brass Fitting Part Number SRA-S18-4461

Sierra Drain Elbow - Mercruiser. Replaces: 22-806926, 22-862210 Part Number SRA-S18-4227

Used on 120, 120-260, 140,165, 225S, 233, 250, 470, 888, 898/228 Use S18-2701 Bushing S18-2151: 7 1/2” (Front) S18-2152: 10 1/2”(Rear) Part...

Sierra Drain Plug - Mercruiser. Replaces: 10-79953A2, 10-79953, 10-79953Q04, 10-28634, 10-28634A1, 10-20259, 816610A1, 816610A2, F40109, 10-F50109 For: #1/R/MR/Alpha/Alpha I Gen II Both Upper And...

Sierra Alternator - Mercruiser - S18-5966. Replaces: 817119A4, 12449A1, 98555A1, 92497, 817119A1, 12449A1, 12449 SAE J1171 Part Number SRA-S18-5966

Sierra Alternator - Mercruiser - S18-5946. (1-Wire) (No Core) (68 AMP) Single wire connection fits Mercruiser and many other applications. Equipped with fan and serpentine drive pulley. SAE...