Parts for MerCruiser 8.1L Inboard (H.O.) Transmission & Related Parts (Hurth 630 / 800)
View diagram and parts list below.
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 | 863744T 2 | TRANSMISSION, (1.5:1 Ratio) (630A) Down Angle (1 required per assembly) (Mechanical Shift) |
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#1 | 863744T 3 | TRANSMISSION, (2.0:1 Ratio) (630A) Down Angle (1 required per assembly) (Mechanical Shift) |
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#1 | 863744T 4 | TRANSMISSION, (2.50:1 Ratio) (630A) Down Angle (1 required per assembly) (Mechanical Shift) |
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#1 | 863744T 5 | TRANSMISSION, (2.70:1 Ratio) (630A) Down Angle (1 required per assembly) (Mechanical Shift) |
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#1 | 806730A 1 | TRANSMISSION, (2.85:1 Ratio) (800A) Down Angle (1 required per assembly) (Mechanical Shift) |
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806730A 1 - TRANSMISSION (2.8 O NLA [ More info ] Unavailable |
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#1 | 865703T02 | TRANSMISSION, (1.5:1 Ratio) (630A) Down Angle (1 required per assembly) (Electric Shift) |
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#1 | 865703T03 | TRANSMISSION, (2.0:1 Ratio) (630A) Down Angle (1 required per assembly) (Electric Shift) |
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#1 | 865703T04 | TRANSMISSION, (2.50:1 Ratio) (630A) Down Angle (1 required per assembly) (Electric Shift) |
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#1 | 865703T05 | TRANSMISSION, (2.70:1 Ratio) (630A) Down Angle (1 required per assembly) (Electric Shift) |
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#1 | 865705T01 | TRANSMISSION, (2.85:1 Ratio) (800A) Down Angle (1 required per assembly) (Electric Shift) |
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#1 | 863745T 2 | TRANSMISSION, (1.5:1 Ratio) (630V) V-Drive (1 required per assembly) (Mechanical Shift) |
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#1 | 863745T 3 | TRANSMISSION, (2.0:1 Ratio) (630V) V-Drive (1 required per assembly) (Mechanical Shift) |
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#1 | 863745T 4 | TRANSMISSION, (2.5:1 Ratio) (630V) V-Drive (1 required per assembly) (Mechanical Shift) |
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#1 | 865704T02 | TRANSMISSION, (1.5:1 Ratio) (630V) V-Drive (1 required per assembly) (Electric Shift) |
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#1 | 865704T03 | TRANSMISSION, (2.0:1 Ratio) (630V) V-Drive (1 required per assembly) (Electric Shift) |
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#1 | 865704T04 | TRANSMISSION, (2.5:1 Ratio) (630V) V-Drive (1 required per assembly) (Electric Shift) |
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#2 | 16-805259 | STUD (4 required per assembly) |
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#2 | 16-57933 | STUD, (.437-14/.437-20 x 2.190) (4 required per assembly) (Hurth 800A Only) |
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16-8M0034453 - Stud [ More info ]
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#3 | 12-22248 | WASHER, (.453 x .875 x .060) (4 required per assembly) |
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#3 | 12-79552 | WASHER, (.453 x .750 x .062) Stainless Steel (4 required per assembly) (Hurth 800A Only) |
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#4 | 11-826710 15 | NUT, (.437-20) Stainless Steel (4 required per assembly) |
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#4 | 11-859116 | NUT, (.4375-20) (4 required per assembly) (Hurth 800A Only) |
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#5 | 10-47462 | SCREW, (.437-14 x 1.250) (2 required per assembly) |
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#7 | 79476A 1 | FLANGE ASSEMBLY, (5.00 x 1.00) (OPT required per assembly) |
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#7 | 79476A 2 | FLANGE ASSEMBLY, (5.00 x 1.125) (OPT required per assembly) |
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79476A 2 - FLANGE ASSEMBLY ( O NLA [ More info ] Unavailable |
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#7 | 79476A 3 | FLANGE ASSEMBLY, (5.00 x 1.25) (OPT required per assembly) |
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#7 | 79476A 4 | FLANGE ASSEMBLY, (5.00 x 1.375) (OPT required per assembly) |
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#7 | 79476A 5 | FLANGE ASSEMBLY, (5.00 x 1.50) (OPT required per assembly) |
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#7 | 79476A 6 | FLANGE ASSEMBLY, (5.00 x 1.75) (OPT required per assembly) |
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#7 | 79476A 7 | FLANGE ASSEMBLY, (5.00 x 2.00) (OPT required per assembly) |
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#8 | 10-60171 | SCREW, (.375-16 x 1.250) (2 required per assembly) |
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#8 | 10-60169 | SCREW, (.375-16 x .750) (2 required per assembly) |
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#9 | 10-805159 | SCREW, (.437-20 x 1.500) (4 required per assembly) |
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#10 | 13-32993 | LOCKWASHER, (.437) (4 required per assembly) |
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#11 | 11-22024 | NUT, (.437-14) (4 required per assembly) |
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#12 | 87-88031 | SWITCH ASSEMBLY (1 required per assembly) |
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#13 | 32-805478 1 | HOSE, (19.50) (2 required per assembly) |
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#14 | 806238 | BRACKET (1 required per assembly) |
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#15 | 10-40001124 | SCREW, (M8 x 14) (2 required per assembly) |
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#16 | 13-40024 7 | LOCKWASHER, (M8) (2 required per assembly) |
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13-40024 7 - LockWasher Note: - Priced Individually [ More info ] |
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#17 | 16-97477A 3 | STUD KIT (2 required per assembly) |
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#18 | 863832T | COOLER, Transmission Oil (1 required per assembly) |
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863832T - 863832T - COOLER O [ More info ] Unavailable Replaced by -863832T01 |
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#19 | 805546A 2 | BRACKET, Oil Cooler (1 required per assembly) |
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#20 | 77223 3 | PAD (1 required per assembly) |
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#21 | 54-815504232 | CLAMP, Worm Gear (2.50 Diameter) (1 required per assembly) |
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#22 | 10-34353 | SCREW, (.375-16 x 1.00) (1 required per assembly) |
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#23 | 13-35048 | LOCKWASHER, (.375) (1 required per assembly) |
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#24 | 87-813300 | SWITCH, Neutral Safety (1 required per assembly) |
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#25 | 881879010 | SENSOR (1 required per assembly) |
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881879010 - 881879010 - SENSOR O [ More info ] Unavailable Replaced by -8M6000623 |
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#26 | 865664 | PRESSURE TRANSDUCER, 500 PSI (Digital Throttle and Shift) (2 required per assembly) |
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