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Insist on ONLY Original Factory Parts |
Alpha One Upper Gears Model Alpha One (1983-1990) Serial Numbers 6216687-0D469858 These sets are "gears only". They only include the lower bearing. |
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Part Number | Description | Teeth | Price | Click to Buy |
43-55778A3 | Gear Kit 1.98:1 Ratio | 20-24 | $ 285.00 | |
43-45814A5 | Gear Kit 1.65:1 Ratio | 24-24 | $ 305.00 | |
43-75325A3 | Gear Kit 1.84:1 Ratio | 17-19 | $ 298.00 | |
43-18411A2 | Gear Kit 1.50:1 Ratio | 20-22 | $ 428.00 | |
43-66773A3 | Gear Kit 1.32:1 Ratio | 16-20 | $ 616.00 | |
43-18411A4 | Gear Kit Comp with bearings and shims replaces 1.50:1 Heavy Duty Kit |
20-22 | $ 612.00 |
Part Number Description Ratio Year Cost | Click to Buy Now |
43-803115T 1 16-20 teeth 1.32 Ratio (1983-1990) $695.00.00 | |
43-803116T 1 20-22 teeth 1.50 Ratio (1983-1990) $555.00 | |
43-803112T 1 24-24 teeth 1.65 Ratio (1983-1990) $485.00 | |
43-803114T 1 17-19 teeth 1.84 Ratio (1983-1990) $486.00 | |
43-803101T 1 20-24 teeth 1.98 Ratio (1983-1990) $477.00 | |
Insist on ONLY Original Factory Parts |
43-803079T1 Gear Kit Fits R drive $917.00 Click here to view part on Mercury Marine's website The R drive has a pre-load pin on the driveshaft |
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43-803091T1 Gear Kit Fits Std Rot (RH) MR & Alpha One $788.00 Click here to view part on Mercury Marine's website The MR & Alpha One drives have no pre-load pin on the driveshaft |
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43-803093T1 Gear Kit Fits Counter Rot (LH) MR & Alpha One $996.00 Click here to view part on Mercury Marine's website |
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43-803069T1 Gear Kit Fits Std Rot (RH) $1220.00 Alpha Gen II (except 2.40 ratio) (s/n 0D469859-0F679999) Click here to view part on Mercury Marine's website |
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43-803070T1 Gear Kit Fits Std. Rot. (RH) $1374.00 NO LONGER MANUFACTURED Alpha Gen II (2.40 ratio) (s/n 0D469859-0F6799999) Click here to view part on Mercury Marine's website |
43-803076T1 Gear Kit Fits Counter Rot. (LH) $1045.00 Alpha Generation II (C/R)(s/n 0D469859-0F679999) Click here to view part on Mercury Marine's website |
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43-803071T1 Gear Kit Fits Std Rot (RH) $852.00 Alpha Generation II (except 2.40 ratio) (s/n 0F680000-0K999999) Click here to view part on Mercury Marine's website |
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43-803072T1 Gear Kit Fits Std Rot (RH) $1422.00 NO LONGER MANUFACTURED Alpha Generation II (2.40 ratio) (s/n 0F680000-0K999999) Click here to view part on Mercury Marine's website |
43-803077T1 Gear Kit Fits Counter Rotatio (LH) $1158.00 NO LONGER MANUFACTURED Alpha Generation II (C/R)(except 2.00 ratio) (s/n 0F680000 and above) Click here to view part on Mercury Marine's website |
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43-803073T1 Gear Kit Fits Std Rot (RH) $879.00 Alpha Generation II (ecept 2.0 & 2.4 ratio) (s/n 0L100010 and up) Click here to view part on Mercury Marine's website |
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43-803074T1 Gear Kit Fits Std Rot (RH) $830.00 Alpha Generation II (2.0 & 2.4 ratio) (s/n 0L100010 and up) Click here to view part on Mercury Marine's website |
43-96084A4 Gear Set (includes pinion bearing & reverse gear) $765.90 Fits MC-I, R Drive (17-28 teeth)(pre-load pin on driveshaft) Click here to view part on Mercury Marine's website |
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43-96084A7 Gear Set (Includes pinion and fwd gear only) $489.00 Fits MC-I, R Drive (17-28 teeth)(pre-load pin on driveshaft) If you also need a reverse gear, order kit 43-96084A4 above Click here to view part on Mercury Marine's website |
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43-878087A4 Gear Set Fits MR/ Alpha One & Gen II $658.00 13-21 Teeth (no pre-load pin on driveshaft) Includes all three gears, bearings and shims Click here to view part on Mercury Marine's website |
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43-878087A2 Gear Set 13-21 Teeth Std Rotation $444.00 Fits Alpha Gen II (exce Click here to view part on Mercury Marine's website |
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43-878617A2 Gear Set 14-28 Teeth Std Rotation $545.00 Fits Alpha Gen II (2.00 & 2.40 ratio) (s/n 0F80000 and above) Click here to view part on Mercury Marine's website |
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43-13730A1 Gear Set 14-28 Teeth Std Rotation $1398.00 Fits Alpha Gen II (2.40 ratio) (s/n 0D469859-0K999999) Click here to view part on Mercury Marine's website |
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43-13730A2 High Altitude Gear Kit $1430.00 Converts lower gearcase with 13/24 gears (1.62:1 ratio) to 14/28 gears (2.0:1 ratio) This allows for a higher overall drive ratio. Fits Alpha Gen II (s/n 0F680000 and above) with 13/24 gears Click here to view part on Mercury Marine's website |
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43-828071A1 Gear Kit 13-21 Teeth Counter Rotation (LH) $878.00 Fits MR, Alpha One & Gen II (C/R) (s/n 0F679999 and below) Click here to view part on Mercury Marine's website |
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43-828289A1 Gear Set 13-21 Teeth Counter Rotation (LH) $545.00 Fits Alpha Gen II (C/R)(except 2.00 ratio) (s/n 0F680000 and above) Click here to view part on Mercury Marine's website |
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43-855651A1 Gear Kit 14-28 Teeth Counter Rotation (LH) $355.00 Fits Alpha Gen II (2.00 ratio) (s/n 0L100040 and above) Click here to view part on Mercury Marine's website |
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43-92320T Reverse Gear 28 Teeth Fits R drive $278.00 Click here to view part on Mercury Marine's website |
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43-828073A1 Reverse Gear 21 Teeth Fits Alpha Gen II $119.00 Click here to view part on Mercury Marine's website |
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43-824109A1 MR and Alpha One Reverse Gear $482.00 Click here to view part on Mercury Marine's website |
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Upper Gear Sets for Bravo Drives (Earlier Models) |
Upper Gear Sets for Bravo Drives (Newer Models) |
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