Motors & Parts - Inboard & Outboard

Sierra Crankshaft Sensor - Mercruiser - S18-7556. Replaces: 864297001 Fits: Mercury 5.0L, 6.2L 1998-2010 Part Number SRA-S18-7556

Sierra Alternator - Mercruiser - S18-6844. Replaces: Mercruiser 834832, T2, 857006A3, Denso 101211-3460 Part Number SRA-S18-6844

Sierra Alternator - Mercruiser - S18-6841. Replaces: 56045, 59755, 69729, 78403A2, 78403A1, 78477, 90794 For: 37-63A Marine Applications Part Number SRA-S18-6841

Sierra Alternator - Mercruiser - S18-5965. Replaces: 817119A1, 817119A4, 805884T, 98555A1, 92497A3, 92497, 12449A1, 12449 SAE J1171 Part Number SRA-S18-5965

Sierra Alternator - Mercruiser - S18-5960. Serpentine Pulley, 65 Amp Replaces: 807653T, SAE J1171 Part Number SRA-S18-5960

Sierra Starter - Mercruiser - S18-6946. Replaces: 50-8m8021116 Fits: High Performance 11 Tooth Starter for 6.2L & 8.9L Scorpion HO applications Part Number SRA-S18-6946

Sierra Starter - Mercruiser - S18-6870. Replaces: Mercury 50-805833, T Fits: D7.3L D-tronic 260 LD, 300 1999 year Part Number SRA-S18-6870

Sierra Starter - Mercruiser - S18-5903. (No Core) (Clockwise) Bottom mount, two bolt pattern for standard rotation Ford engines. Replaces: 50-69865A1, 50-12872, 50-56886 Replacement Solenoid: S18-5801 Part Number SRA-S18-5903

Sierra Starter - Mercruiser - S18-5919. Permanent magnet I/O starter, 11 Tooth Replaces: 50-806963A4, 50-806965A2, 50-806965A4 Includes one S18-8402 bolt and one S18-8404 bolt Fits: Chevy Engines with 12 3/4” flywheels Straight across bolt...

Sierra Rewind Spring - Johnson/Evinrude. Replaces - 395460, 307573 HPYear 3 1954-68 5.5 1954-68 7...

Sierra Rewind Spring - Johnson/Evinrude. Replaces - 323653, 338534 Note - this is a special order item. Please allow 8 weeks for delivery. HPYear 9.9 1980-92 10 1980-2 12 1980-92 15 1979-92   Part...

Sierra Prop Nut Kit - Johnson/Evinrude. Replaces - 175266 Contains: Sierra CodeDescriptionO.E # S18-3708-1 Prop Nut / Keeper 398042 S18-3741 Cotter Pin 309955 S18-4231 Prop Spacer 320570   Part...

Sierra Prop Nut Kit - Johnson/Evinrude. Replaces - 5005034 Fits: 40-130 (2001 & Up) Part Number SRA-S18-3753

Sierra Thrust Washer - Johnson/Evinrude. Replaces - 333592 Part Number SRA-S18-4223

Sierra Prop Spacer - Johnson/Evinrude. Replaces - 320570 Package of 5 Part Number SRA-S18-4231

Sierra Lower Unit Seal Kit - Johnson/Evinrude. Replaces: 396352 Contains: Sierra CodeDescriptionO.E #Qty S18-0882 Shift Rod Gasket 304764 1 S18-0108 Lower Gearcase Gasket 324449 1 S18-3360 Impeller Housing...

Sierra Lower Unit Seal Kit - Johnson/Evinrude. Replaces: 396350 Contains: Sierra CodeDescriptionO.E #Qty S18-2025 Oil Seal 318971 1 S18-2028 Oil Seal 321480 2 S18-2029 Oil...

Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2684 Contains: Sierra CodeDescriptionO.E #Qty S18-0882 Shift Rod Gasket 304764 1 S18-2032 Oil...

Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2691. Contains: Sierra CodeDescriptionO.E #Qty S18-2874 Solenoid Cover...

Sierra Lower Unit Seal Kit - Johnson/Evinrude - S18-2690. Contains: Sierra CodeDescriptionO.E #Qty S18-2855 Shift Housing Cover to Gearcase Gasket 314082 1 S18-2874 Solenoid Cover...