Parts for Mercury Marine 18 HP Crankshaft, Pistons & Flywheel
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
# | 90885A84 | POWERHEAD ASSEMBLY, COMPLETE (-- required per assembly) INCLUDES CYLINDER BLOCK AND CRANKCASE, PISTONS, CONNECTING ROD AND BEARINGS. |
90885A84 - Powerhead [ More info ] Unavailable |
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90885A87 - Powerhead [ More info ] Unavailable |
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90885A88 - Powerhead [ More info ] Unavailable |
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90885A89 - Powerhead MARINE [ More info ] Unavailable |
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90885T89 - Powerhead [ More info ] Unavailable |
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879732T89 - PH 20/25,NLA [ More info ] Unavailable |
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# | 27-41499A84 | GASKET SET (-- required per assembly) |
27-41499A84 - 27-41499A84 - GASKET SET [ More info ] Unavailable Replaced by 27-41499A87 |
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27-41499A87 - 27-41499A87 - GASKET SET [ More info ] Unavailable Replaced by 27-41499A88 |
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#1 | 258-8274A 6 | FLYWHEEL ASSEMBLY (1 required per assembly) |
258-8274A 6 - 258-8274A 6 - FLYWHEEL ASSEMBLY [ More info ] Unavailable Replaced by 258-818354A 2 |
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258-818354A 2 - 258-818354A 2 - FLYWHEEL [ More info ] Unavailable Replaced by 258-859232T 6 |
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258-859232T 6 - 258-859232T 6 - FLYWHEEL [ More info ] Unavailable Replaced by 258-859232T15 |
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#2 | 97359A 1 | SCREW, FLYWHEEL TO CRANKSHAFT (1 required per assembly) |
#3 | 12-86496 | WASHER, FLYWHEEL SCREW (1 required per assembly) |
#4 | 43-99301 | RING GEAR, FLYWHEEL - ELECTRIC (1 required per assembly) |
#5 | 10-40039106 | SCREW, RING GEAR TO FLYWHEEL (ELECTRIC) (4 required per assembly) |
10-40039106 - 10-40039106 - SCREW (M5 x 13) [ More info ] Unavailable Replaced by 10-88190313 |
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#6 | 464-8697A 2 | CRANKSHAFT ASSEMBLY (1 required per assembly) |
464-8697A 2 - 464-8697A 2 - CRANKSHAFT [ More info ] Unavailable Replaced by 464-8978A 2 |
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464-8978A 2 - 464-8978A 2 - CRANKSHAFT ASSEMB [ More info ] Unavailable Replaced by 464-8978T 2 |
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#7 | 99538 | SEAL, CRANKSHAFT (1 required per assembly) |
99538 - Carrier Wear Sleeve [ More info ] Unavailable |
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26-43507 - 26-43507 - SEAL [ More info ] Unavailable Replaced by -822445A1 |
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#8 | 26-85107 | OIL SEAL, CRANKSHAFT (LOWER) (1 required per assembly) |
#9 | 31-85113 | ROLLER BEARING, CRANKSHAFT (LOWER) (1 required per assembly) |
31-85113 - 31-85113 - BEARING Roller [ More info ] Unavailable Replaced by 31-85113T |
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#10 | 31-85114 | ROLLER BEARING, CRANKSHAFT (UPPER) (1 required per assembly) |
31-85114 - 31-85114 - BEARING Roller - [ More info ] Unavailable Replaced by 31-85114T |
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#11 | 26-85974 | OIL SEAL, CRANKSHAFT (UPPER) (1 required per assembly) |
26-85974 - 26-85974 - SEAL Oil [ More info ] Unavailable Replaced by 26-859741 |
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26-859741 - SEAL [ More info ] Unavailable |
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#12 | 86992A 2 | BEARING ASSEMBLY, CENTER MAIN (1 required per assembly) |
86992A 2 - 86992A 2 - BEARING ASSEMBLY [ More info ] Unavailable Replaced by -86992A 3 |
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86992A 3 - 86992A 3 - BEARING ASSEMBLY [ More info ] Unavailable Replaced by -86992A 5 |
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#13 | 28-20094 | KEY, FLYWHEEL DRIVE (1 required per assembly) |
#14 | 767-8511A 3 | PISTON AND PIN ASSEMBLY (2 required per assembly) |
767-8511A 3 - 767-8511A 3 - PISTON ASSEMBLY [ More info ] Unavailable Replaced by 767-9104A 3 |
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767-9104A 3 - PISTON ASSEMBLY NLA [ More info ] Unavailable |
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#15 | 40-47276 | LOCK RING, PISTON PIN (4 required per assembly) |
40-47276 - 40-47276 - LOCK RING [ More info ] Unavailable Replaced by 40-828119 |
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#16 | 39-96525A12 | PISTON RING ASSEMBLY (1 required per assembly) |
39-96525A12 - 39-96525A12 - RING SET Piston [ More info ] Unavailable Replaced by 39-12810A12 |
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#17 | 630-8835A 2 | CONNECTING ROD ASSEMBLY (2 required per assembly) |
630-8835A 2 - 630-8835A 2 - CONNECTING ROD AS [ More info ] Unavailable Replaced by 630-8835A 4 |
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#18 | 29-98295 | NEEDLE BEARING, PISTON END (54 required per assembly) |
#19 | 42025 | BEARING, LOCATING - NEEDLE BEARING (4 required per assembly) |
42025 - Thrust Bearing [ More info ] Unavailable |
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#20 | 31-41620A 1 | ROOLER BEARING ASSEMBLY (2 required per assembly) |
31-41620A 1 - 31-41620A 1 - BEARING ASSEMBLY [ More info ] Unavailable Replaced by 31-879877A 1 |
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#21 | 10-40082 25 | SCREW, CONNECTING ROD (25MM) (4 required per assembly) |