Engines & Maintenance

Quality rotary switches with optional light module to display different light colours to designate differing positions of the switch. Rated to 20 amps at 12 volts. Durable can design for long life. An optional illumination module is available for both...

Quality rotary switches with optional light module to display different light colours to designate differing positions of the switch. Rated to 20 amps at 12 volts. Durable can design for long life. An optional illumination module is available for both...

Quality rotary switches with optional light module to display different light colours to designate differing positions of the switch. Rated to 20 amps at 12 volts. Durable can design for long life. An optional illumination module is available for both...

Sierra SAE 30 Full Synthetic Oil - 4.7L 4-cycle oil blended with premium grade synthetic and mineral based stockSuperior designed additives formulated for the stress endured by sterndrive and inboard enginesSuperior corrosion protectionAdvanced...

Sierra SAE 30 Full Synthetic Oil - 946ml Part#: S-18-9410-2 Special blend of synthetic base oil and a balanced additive system that exceeds FC-W requirements Recommended for gasoline and diesel inboard and sterndrive engines Superior engine protection...

Sierra Sea Water Pump - Mercruiser - S-18-3600. Replaces: 46-72774A32, 46-72774A11, 46-73823A7, 46-63450A2, 46-59112A2Fits: V8 Engines w/ith V-Belt and 2 piece pumpUse repair kit S-18-3155 Part Number SRA-S-18-3600

Sierra Sea Water Pump, Brass - Mercruiser 8M0139984 Fits: 2000 & newer MCM V-6 & V-8 (305, 350 & 496 CID) engines with the brass sea water pumpKit Contains: Impeller 18-3016-1 Interchangeable with the following:Mercruiser Stern...

Sierra Seal & Gimbal Bearing Kit - Mercruiser - S-18-2100K. Replaces: 30-60794A2, 30-60794A4, 30-879194A02Greasable. Contains (1) each of S-18-2094 & S-18-2100Fits: 1, R, MR and Alpha (1974-97) Part Number SRA-S-18-2100K

Sierra Seal & Gimbal Bearing Kit For Mercruiser Durable construction Non-corrosive Hard-wearing parts and components Replaces 30-862540A3, 30-862540T1, 30-862540A04, 30-879194A01 Contains (1) each of S18-2094 & S18-21005 Fits Gen II...

Sierra Seal Kit - Johnson/EvinrudeReplaces: 5000309For: E-Tec 40, 50, 60 HP Part Number SRA-S-18-8383

Sierra Seal Kit - Johnson/EvinrudeReplaces: E-Tec 5006373For: E-Tec 75/90/115/150/175/200/225/250 HP Part Number SRA-S-18-8384

Sierra Sensor, Knock - Honda - S-18-7559. Replaces: 30530-P8F-A01Fits: BF200A 2002-2006, BF200AK0, BF225 2002-2006, BF225AK0 Part Number SRA-S-18-7559