Parts for Mercury Marine 9.9 HP Crankshaft, Pistons & Flywheel (6 / 8 / 9.9)
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 | 42691 | SHAFT, FLYWHEEL USE WITH STUB SHAFT (1 required per assembly) |
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42691 - SHAFT O NLA [ More info ] Unavailable |
| #2 | 260-8908A 2 | FLYWHEEL ASSEMBLY USE WITH STUB SHAFT (1 required per assembly) |
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260-8908A 2 - 260-8908A 2 - FLYWHEEL ASSEMBLY O [ More info ] Unavailable Replaced by 260-818540A 4 |
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260-818540A 4 - 260-818540A 4 - FLYWHEEL O [ More info ] Unavailable Replaced by 260-859231T 6 |
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260-859231T 6 - FLYWHEEL O NLA [ More info ] Unavailable |
| #1A | 11-818591 | NUT USE WITH NUT (1 required per assembly) |
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| #2 | 260-818540A 2 | FLYWHEEL ASSEMBLY USE WITH NUT (1 required per assembly) |
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260-818540A 2 - 260-818540A 2 - FLYWHEEL ASSEMBLY O [ More info ] Unavailable Replaced by 260-859231T 8 |
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260-859231T 8 - 260-859231T 8 - FLYWHEEL O [ More info ] Unavailable Replaced by 260-859231T19 |
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260-859231T19 - Flywheel Assembly [ More info ]
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| #3 | 43-99301 | RING GEAR, FLYWHEEL ELECTRIC (1 required per assembly) |
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43-99301 - Ring Gear [ More info ]
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| #4 | 10-40039106 | SCREW, RING GEAR TO FLYWHEEL (4 required per assembly) |
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10-40039106 - 10-40039106 - SCREW (M5 x 13) O [ More info ] Unavailable Replaced by 10-881903 13 |
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10-881903 13 - Screw [ More info ]
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| #5 | 468-8471A 2 | CRANKSHAFT ASSEMBLY (1 required per assembly) |
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468-8471A 2 - 468-8471A 2 - CRANKSHAFT ASSEMB O [ More info ] Unavailable Replaced by 400-8M0083309 |
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4008M0083309 - CrankShaft Assembly [ More info ]
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| #6 | 26-42890 | OIL SEAL, (DESIGN I) (1 required per assembly) |
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26-42890 - OIL SEAL [ More info ]
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818630A 1 - Sleeve Kit [ More info ]
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| #6A | 818630A 1 | SLEEVE KIT (INCLUDES O-RING - DESIGN II) (1 required per assembly) |
| #7 | 30-41341 | BALL BEARING, LOWER (1 required per assembly) |
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30-41341 - Ball Bearing [ More info ]
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| #8 | 53-20940 | SNAP RINGG (SMALL) (OLD DESIGN) (1 required per assembly) |
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53-20940 - Snap Ring, NLA [ More info ]
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| #9 | 53-42132 | RETAINING RING (1 required per assembly) |
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53-42132 - Ring - Retaining [ More info ]
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| #10 | 12-13031 | WASHER, LOWER (1 required per assembly) |
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12-13031 - Washer [ More info ]
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| #11 | 26-12566 1 | OIL SEAL, LOWER (1 required per assembly) |
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26-12566 1 - Seal [ More info ]
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| #12 | 28-20094 | KEY (1 required per assembly) |
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28-20094 - Key - Priced Individually [ More info ]
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| #13 | 31-41342 | ROLLER BEARING (1 required per assembly) |
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31-41342 - 31-41342 - BEARING Roller O [ More info ] Unavailable Replaced by 31-878158 |
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31-878158 - Roller Bearing [ More info ]
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| #14 | 26-12567 1 | OIL SEAL, UPPER (1 required per assembly) |
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26-12567 1 - Seal [ More info ]
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| #15 | 637-8477A 2 | CONNECTING ROAD ASSEMBLY (2 required per assembly) |
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637-8477A 2 - Connecting Rod Assembly [ More info ]
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| #16 | 10-823460 | SCREW (4 required per assembly) |
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10-823460 - Screw [ More info ]
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| #17 | 31-42076A 1 | ROLLER BEARING (3 required per assembly) |
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31-42076A 1 - Bearing Kit [ More info ]
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| #18 | 29-42186 | NEEDLE BEARING, PISTON END (48 required per assembly) |
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29-42186 - BEARING Needle O [ More info ] Unavailable |
| #19 | 43348 | THRUST BEARING (4 required per assembly) |
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43348 - 43348 - BEARING Thrust O [ More info ] Unavailable Replaced by 12-8M0012297 |
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12-8M0012297 - Thrust Washer - Priced Individually [ More info ]
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| #20 | 773-9756A 2 | PISTON AND PIN ASSEMBLY (2 required per assembly) |
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773-9756A 2 - 773-9756A 2 - PISTON ASSEMBLY O [ More info ] Unavailable Replaced by 773-9756T 2 |
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773-9756T 2 - Piston Assembly [ More info ]
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| #21 | 39-42079A 4 | PISTON RING ASSEMBLY (1 required per assembly) THE ENCLOSED ASSEMBLY CONTAINS 4 RECTANGULAR PISTON RINGS AS SHOW IN FIGURE #1. |
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39-42079A 4 - Rings - 4 Pcs [ More info ]
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| #21 | 39-18514A 4 | PISTON RING ASSEMBLY (1 required per assembly) THE ENCLOSED ASSEMBLY CONTAINS 4 KEYSTONE PISTON RINGS AS SHOWN IN FIGURE #2. |
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39-18514A 4 - Ring Kit -4- Std [ More info ]
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| #22 | 40-42202 | LOCK RING (4 required per assembly) |
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40-42202 - Lock Ring - Priced Individually [ More info ]
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| #23 | 41373A 1 | LINER ASSEMBLY, MAIN BEARING (1 required per assembly) |
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41373A 1 - Bearing Kit [ More info ]
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| #24 | 26-818901 | SEAL, MAIN BEARING (1 required per assembly) |
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26-818901 - Seal [ More info ]
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| #- | 12893A87 | POWERHEAD ASSEMBLY, COMPLETE (1 required per assembly) (6) (USE WITH WMC-20/20A CARB.) |
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12893A87 - 12893A87 - POWERHEAD ASSEMBL O [ More info ] Unavailable Replaced by -12893A92 |
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12893A92 - 12893A92 - POWERHEAD ASSEMBL O [ More info ] Unavailable Replaced by -12893A97 |
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12893A97 - 12893A97 - POWERHEAD ASSEMBL O [ More info ] Unavailable Replaced by -12893T97 |
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12893T97 - POWERHEAD ASSEMBL O NLA [ More info ] Unavailable |
| #- | 12893A92 | POWERHEAD ASSEMBLY, COMPLETE (1 required per assembly) (6) (USE WITH WMC-20B CARB.) |
| #- | 811686A92 | POWERHEAD ASSEMBLY, COMPLETE (1 required per assembly) (6/8/9.9) |
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811686A92 - 811686A92 - POWERHEAD ASSEMBL O [ More info ] Unavailable Replaced by -811686A97 |
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811686A97 - 811686A97 - POWERHEAD ASSEMBL O [ More info ] Unavailable Replaced by -811686T97 |
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811686T97 - POWERHEAD ASSEMBL O NLA [ More info ] Unavailable |
