Parts for 300r HP 4.6L V8 Racing 4-Stroke Mercury Outboard Motor Crankshaft, Pistons & Connecting Rods
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #- | 8M0142279 | LONG BLOCK V8 250R (See Bulletin 2021-24) (1 required per assembly) |
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618M0142279 - LONG BLOCK V8 [ More info ] Unavailable |
| #- | 8M0149557 | LONG BLOCK ASSY 300R (1 required per assembly) |
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618M0149557 - LONG BLOCK ASSY [ More info ] Unavailable |
| #- | 8M0149551 | PWRHD GASKET SET (1 required per assembly) |
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8M0149551 - Powerhead Gasket Set [ More info ]
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| #1 | 8M0142417 | CRANKSHAFT (1 required per assembly) |
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4008M0142417 - CrankShaft [ More info ]
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| #2 | 8M0147976 | BEARING MAIN GRN (AR required per assembly) |
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5008M0147976 - Bearing MAIN GRN [ More info ]
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| #2 | 8M0147977 | BEARING MAIN BLUE (AR required per assembly) |
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5008M0147977 - Bearing MAIN BLUE [ More info ]
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| #2 | 8M0147978 | BEARING MAIN WHIT (AR required per assembly) |
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5008M0147978 - Bearing MAIN WHIT [ More info ]
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| #2 | 8M0147979 | BEARING MAIN ORAN (AR required per assembly) |
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5008M0147979 - Bearing MAIN ORAN [ More info ]
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| #3 | 8M0142386 | RING RETAINING (1 required per assembly) |
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538M0142386 - RING RETAINING [ More info ]
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| #4 | 8M0162050 | SEAL MAIN BEARING (1 required per assembly) — Replaces: 8M0142379 |
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268M0162050 - SEAL Main Bearing [ More info ]
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268M0168880 - SEAL TOP MAIN BRG [ More info ]
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| #5 | 8M0142385 | SPACER (1 required per assembly) |
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238M0142385 - Spacer [ More info ]
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| #6 | 8M0034912 | O RING @2 (1 required per assembly) |
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25-8M0034912 - O-ring, Oil Pump Driveshaft [ More info ]
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| #7 | 8M0142424 | WASHER THRUST (2 required per assembly) |
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128M0142424 - Thrust Washer [ More info ]
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| #8 | 8M0142539 | BEARING CONN GRN (AR required per assembly) — Replaces: 8M0148077 |
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8M0142539 - Bearing CONN GRN [ More info ] Unavailable |
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23-8M0217817 - BEARING-CONROD GN [ More info ] Unavailable |
| #8 | 8M0142351 | BEARING CONN BLUE (AR required per assembly) — Replaces: 8M0148078 |
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8M0142351 - Bearing CONN BLUE [ More info ] Unavailable |
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23-8M0217818 - BEARING-CONROD BL [ More info ] Unavailable |
| #8 | 8M0142597 | BEARING CONN WHIT (AR required per assembly) — Replaces: 8M0148079 |
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8M0142597 - Bearing CONN WHIT [ More info ] Unavailable |
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23-8M0217819 - BEARING-CONROD WH [ More info ] Unavailable |
| #9 | 8M0164957 | PISTON ASSEMBLY (8 required per assembly) — Replaces: 8M0142575 |
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7008M0164957 - Piston ASSEMBLY [ More info ] Unavailable |
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700-8M0200040 - PISTON ASSY [ More info ] Unavailable |
| #10 | 8M0142381 | PISTON RING ASSEMBLY (8 required per assembly) |
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398M0142381 - Piston Ring [ More info ]
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| #11 | 8M0142383 | CIRCLIP (16 required per assembly) |
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408M0142383 - Circlip Piston [ More info ]
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| #12 | 8M0159647 | CONNECTING ROD (8 required per assembly) — Replaces: 8M0142418 |
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6008M0159647 - Connecting Rod [ More info ]
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| #13 | 8M6002637 | BOLT CONNECTING ROD (16 required per assembly) |
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108M6002637 - Bolt [ More info ] Unavailable |
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10-8M0159648 - BOLT CONNECT ROD [ More info ] Unavailable |
