Sierra Distribution Cap - Mercruiser - S18-5354 Replaces: 808483, 808483T3, 804483T 804418 Fits new GM style “Module in Cap” Distributors–V-8 applications. Use S18-5405 Rotor Part...

Sierra Rotor - Mercruiser - S18-5246. For: Delco HVS V-6 Distributors Part Number SRA-S18-5246

Sierra Distribution Cap - Mercruiser - S18-5362 Replaces: 850484, 850484T, 850484T2 Fits new GM Style “Module in Cap” Distributors – V6 applications. Use S18-5408 Rotor Part...

Sierra Distribution Cap - Mercruiser - S18-5243. Replaces: 3859019 For: Delco HVS V-6 Distributors Part Number SRA-S18-5243

Sierra Alternator - Mercruiser - S18-5945. (3-Wire) (No Core) (68 AMP), SAE J1171 Replaces Mando, Motorola and original equipment Delco. Uses same electrical connections and mounting method...

Sierra Thermostat - Mercruiser - S18-3649. Replaces: 8072522, 807252T2, 8052732, 8M0091470 160° Part Number SRA-S18-3649

Sierra Starter - Mercruiser - S18-5907 (Heavy-Duty) (No Core) (Clockwise) (9 tooth) Top mount rear entry starter for opposite rotation GM & Ford engines. Will also replace bottom mount standard...

Sierra Starter - Mercruiser - S18-5908 (Heavy-Duty) (No Core) (Counter-Clockwise) (9 tooth) Top mount rear entry starter for standard rotation GM & Ford engines. Front mount reverse rotation...

Sierra Elbow - Mercruiser - S18-1973. Replaces: 39920, 39920A1, 55538A2 Barr MC-20-55538 Fits: Most early Model 120 HP Mercruiser applications Part...