Sierra Marine Parts Catalog

704 18-5953-1 ALTERNATOR CONVERSION KIT Includes new 18-5956 68 AMP alternator, mounting brackets 18-5968, pulley (8.0” O.D. x 2.75” H), wiring, hardware and instructions. Converts model 470 aluminum block Mercruiser engines serial number 4625580 & up with stator charging system and water cooled voltage regulator to alternator system. NOTE: Fuse kit 18-8220 (sold separately) is required on engines with a Delco starter (round solenoid mounted to starter); Prestolite starters with remote solenoid DO NOT require fuse kit. Visually inspect starter prior to ordering conversion kit. For: Mercruiser 224 / 3.7L 18-5968 ALTERNATOR BRACKET Replacement bracket for alternator conversion kit used on 470 Series Mercruiser included in 18-5953-1 kit. 18-5949 CONVERSION KIT DRIVE BELT 3/8” x 33 1/2” Replacement belt for alternator conversion kit used on 470 Series Mercruisers. Included in 18-5953-1 kit. 18-5740 VOLTAGE REGULATOR Replaces: 42785 18-8220 FUSE KIT Replaces: 88-79023A91 For use with 18-5953-1 alternator conversion kits installed on Mercruiser (Model 470) 3.7 liter aluminum block engines serial number 6902288 & Up. 90 AMP ➀ For 12 3/4" Dia.Flywheel ➁ For 14" Dia. Flywheel ➂ For permanent magnet models use 18-5919 ➃ 55 AMP up grade to 65 AMP use 18-5965 ➄ Black ➅ For permanent magnet models use 18-5913 ➆ Bravo drive ➇ Firepower ignition ➈ Ignition module mounted on distributor ➉ Ignition module mounted on elbow ➊ LH rotation ➋ NLA for models prior to S/N 4167000 ➌ PG 260 (9-1/4" long) ➍ PG260F1 (8-1/2" long) ➎ RH Rotation ➏ Standard ignition ➐ Thunderbolt ignition ➑ Thunderbolt IV ➒ Thunderbolt V ➓ Transmission models ** Delco Style I/O — MERCRUISER - Electrical System Model Cyl. Years Beg Serial # End Serial # Slave Solenoid Reman Starter New Starter Reman Alternator New Alternator 110 GM 4 1963-1966 1538370 2044033 18-5836 18-5911 18-5911 — — 120 GM 4 1964-1975 1666601 4469865 18-5836 18-5911 18-5911 18-5957 18-5957 120 GM 4 1976-1982 4469866 6229717 18-5815 18-5911 18-5911 18-5957 18-5957 120 / 2.5L GM 4 1983-1989 6229718 C853255 18-5817 18-5911 18-5911 — 18-5966 ➃ 140 GM 4 1968-1975 2508261 4460664 18-5836 18-5911 18-5911 18-5957 18-5957 140 GM 4 1976-1981 4460665 6229717 18-5815 18-5911 18-5911 18-5957 18-5957 140/3.0L GM 4 1982-1989 6229718 C856558 18-5817 18-5911 18-5911 18-5957 18-5957 140/3.0L GM 4 1999-2001 OL382122 OM326292 18-5817 — 18-6275 — 18-5983 ** 140/3.0L/3.0LX GM 4 1990-92 C856559 D831100 18-5817 18-5911 18-5911 18-5957 18-5957 140/3.0LX GM 4 1992-97 D831101 OK999999 18-5817 N/A 18-6275 — 18-5966 ➃ 165/3.7L Merc 4 1987-1989 B434941 C762299 18-5802 18-5907 18-5907 N/A N/A 170 Merc 4 1985-1986 6916779 B434940 18-5802 18-5907 18-5907 N/A N/A 180/3.7LX Merc 4 1987-1989 B436391 C762299 18-5802 18-5907 18-5907 N/A N/A 190 Merc 4 1985-1986 6916779 B436390 18-5802 18-5907 18-5907 N/A N/A 470 Merc 4 1976-1984 4208730 6916778 18-5802 18-5907 18-5907 N/A N/A 470MIE Merc 4 1980-1981 5520115 6218036 18-5802 18-5907 18-5907 N/A N/A 485 Merc 4 1980-1984 5685394 6916778 18-5802 18-5907 18-5907 N/A N/A 140 GM 6 1963 1538930 1725960 18-5836 18-5911 18-5911 — — 150 GM 6 1964-66 1666495 2048046 18-5836 18-5911 18-5911 — — 160 GM 6 1967-69 2048022 2768031 18-5836 18-5911 18-5911 — — 160 GM 6 1969 2768032 2770031 18-5836 18-5911 18-5911 18-5957 18-5957 165 GM 6 1970-1975 2770032 4471565 18-5836 18-5911 18-5911 18-5957 18-5957 165 GM 6 1976-1981 4471566 5813433 18-5815 18-5911 18-5911 18-5957 18-5957 200 GM 6 1969 2453769 2712072 18-5836 18-5911 18-5911 — — 175/4.3L GM V-6 1987-1992 B527955 D714106 18-5816 — 18-5913 — 18-5966 ➃ 185 GM V-6 1983-1984 6330183 6919655 18-5816 18-5911 18-5911 — 18-5966 ➃ 18-5978 ALTERNATOR BRACKET Replaces: 47487T 18-5724 VOLTAGE REGULATOR Replaces: 78385