Parts for MerCruiser 4.3L Carburetor Alpha / Bravo Alternator & Brackets
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 | 863077T | ALTERNATOR ASSEMBLY, Black, 65 Amp With 50mm Pulley (1 required per assembly) (Non Serviceable) |
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863077T - Alternator, Black [ More info ]
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18-6298 - Alternator, 862031T [ More info ]
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863077R01 - Alternator- Remanufactured [ More info ]
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20815 - Alternator, 863077T [ More info ]
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| #2 | 11-40021 2 | NUT, (M6) Stainless Steel (2 required per assembly) |
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11-40021 2 - Nut [ More info ]
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| #3 | 10-40001134 | SCREW, (M8 x 25) (1 required per assembly) |
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10-40001134 - Screw [ More info ]
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| #4 | 10-828213 | SCREW, (.312-18 x 1.500) Hex Flange (2 required per assembly) |
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10-828213 - Screw - Priced Individually [ More info ]
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| #5 | 12-57792 | WASHER (2 required per assembly) |
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12-57792 - Washer - Priced Individually [ More info ] Unavailable |
| #6 | 11-859119 | NUT, (.312-18) (2 required per assembly) |
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11-859119 - Nut, (5/16-18) [ More info ]
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11-26484 - Nut (5/16-18) [ More info ]
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11-8M0204646 - NUT @5 [ More info ] Unavailable |
| #7 | 863211T01 | BRACKET, Alternator Mounting (1 required per assembly) |
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863211T01 - Alternator Bracket [ More info ]
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| #8 | 10-98261 | SCREW, (.375-16 x .750) (2 required per assembly) |
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10-98261 - Screw [ More info ]
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| #9 | 12-20084 | WASHER, (.328 x .562 x .062) (1 required per assembly) |
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12-20084 - Washer, (.328 X .562 X .062) [ More info ]
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| #10 | 864922T01 | BRACKET (1 required per assembly) SN# 0M639999 & Below |
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864922T01 - 864922T01 - BRACKET [ More info ] Unavailable Replaced by -865188T01 |
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865188T01 - Bracket [ More info ]
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| #10 | 865188T01 | BRACKET (1 required per assembly) SN# 0M640000 & Up |
| #11 | 862083T | BRACKET, Idler Adjusting (1 required per assembly) |
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862083T - Bracket [ More info ]
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| #12 | 818380T | BUSHING (1 required per assembly) |
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818380T - BUSHING [ More info ] Unavailable |
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865193 - Bushing [ More info ]
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| #13 | 11-859135 | NUT, (.437-20) Brass/Nickel Plated (1 required per assembly) |
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11-859135 - Nut (7/16-20) [ More info ]
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| #14 | 43-818381 2 | PINION STUD, (.437-20) Stainless Steel (1 required per assembly) |
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43-818381 2 - Pinion Stud [ More info ] Unavailable |
| #15 | 864625T | PULLEY (4.25 Inch Diameter) (1 required per assembly) |
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864625T - Idler Pulley [ More info ]
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| #16 | 10-34353 | SCREW, (.375-16 x 1.00) (2 required per assembly) |
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10-34353 - Screw - Priced Individually [ More info ]
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| #17 | 862082T | BRACE, Power Steering (1 required per assembly) |
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| #19 | 862084T | BRACKET, Idler, Alternator Brace (1 required per assembly) (Bravo Standard Cooling) |
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862084T - Bracket [ More info ]
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| #19 | 864456T | BRACKET, Alternator Brace (1 required per assembly) (Alpha/Bravo Closed Cooling) |
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864456T - Bracket - Idler [ More info ]
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| #20 | 11-32219 | NUT, (.375-16) (2 required per assembly) (Bravo Standard Cooling) |
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11-32219 - Nut (3/8-16) [ More info ]
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| #20 | 11-826711 12 | NUT, (.375-16) (1 required per assembly) (Alpha/Bravo Closed Cooling) |
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11-826711 12 - Nut, (.375-16) [ More info ]
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| #21 | 862085T | BRACE, Idler Bracket (1 required per assembly) (Bravo) (Alpha Closed Cooling) |
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862085T - Bracket [ More info ]
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| #22 | 818382 | PULLEY (1 required per assembly) (Bravo) (Alpha Closed Cooling) |
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818382 - Pulley [ More info ] Unavailable |
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865598 - PULLEY [ More info ] Unavailable |
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8M6500024 - Pulley [ More info ]
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| #24 | 10-56393 | SCREW, (.437-20 x 1.75) (1 required per assembly) (Bravo) (Alpha Closed Cooling) |
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10-56393 - Screw [ More info ]
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| #26 | 16-860102 | STUD, (.375-16 x 1.730) (2 required per assembly) (Bravo Standard Cooling) |
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16-860102 - Stud [ More info ]
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| #26 | 16-863853 | STUD (1 required per assembly) (Alpha/Bravo Closed Cooling) |
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16-863853 - Stud [ More info ]
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| #26 | 10-32132 | SCREW, (.375-16 x 1.750) (1 required per assembly) (Alpha/Bravo Closed Cooling) |
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10-32132 - Screw [ More info ]
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| #27 | 862778 | BRACKET, Alternator Brace (1 required per assembly) (Alpha Standard Cooling) |
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862778 - Alternator Brace Bracket [ More info ]
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| #29 | 57-863876 4 | BELT, Serpentine, Serpentine (1 required per assembly) (Alpha)(Power Steering) |
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57-863876 4 - BELT-SERPENTINE [ More info ] Unavailable |
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57-865615004 - Serpentine Belt -1941 MM [ More info ] Unavailable |
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57-865615Q04 - Serpentine Belt [ More info ]
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18-15101 - Serpentine Belt [ More info ]
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| #29 | 57-863876 9 | BELT, Serpentine, Serpentine (1 required per assembly) (Alpha)(Compact Hydraulic Steering) |
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57-863876 9 - Serpentine Belt [ More info ] Unavailable |
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57-865615009 - Serpentine Belt -1780 Mm [ More info ]
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57-865615Q09 - Belt [ More info ]
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| #29 | 57-863876 3 | BELT, Serpentine, Serpentine (1 required per assembly) (Bravo)(Power Steering) |
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57-863876 3 - Serpentine Belt [ More info ] Unavailable |
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57-865615003 - BELT-SERP-2704 MM [ More info ] Unavailable |
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57-865615Q03 - Belt [ More info ]
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| #29 | 57-863876 8 | BELT, Serpentine, Serpentine (1 required per assembly) (Bravo)(Compact Hydraulic Steering) |
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57-863876 8 - Serpentine Belt [ More info ]
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57-865615008 - Serpentine Belt -2535 Mm [ More info ] Unavailable |
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57-865615Q08 - Belt [ More info ]
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