Parts for Mercury Mariner Racing 250XS (3.0L DFI) Crankshaft, Pistons & Connecting Rods
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 | 482-842753A02 | CRANKSHAFT ASSEMBLY (1 required per assembly) |
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#2 | 830882 | WEAR SLEEVE (1 required per assembly) |
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#3 | 30-67923T | BEARING, Ball (Lower) (1 required per assembly) |
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18-1345 - Bearing, 30-67923T - Special Order - No Returns [ More info ] |
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#4 | 53-67446 | RING (1 required per assembly) |
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#5 | 39-843198 | RING, Seal (7 required per assembly) |
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39-8M0046708 - 39-8M0046708 - RING-SEAL @7 O [ More info ] Unavailable Replaced by 39-8M0071646 |
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#6 | 28-91800 | KEY, Woodruff (1 required per assembly) |
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#7 | 25-35126 | O-RING, (.859 x .139) (1 required per assembly) |
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#8 | 31-88270A02 | BEARING/RACE KIT (2 required per assembly) |
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#9 | 31-88269T | BEARING ASSEMBLY (2 required per assembly) |
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18-1347 - Bearing 31-88269T - Special Order - No Returns [ More info ] |
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#10 | 2720-843199T13 | PISTON ASSEMBLY (3 required per assembly) (Starboard) |
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#10 | 2720-842986T03 | PISTON ASSEMBLY (3 required per assembly) (Port) |
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#11 | 40-841202 | RING (12 required per assembly) |
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#12 | 39-858772A02 | RING SET, Piston (1 required per assembly) |
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#13 | 647-879148T74 | CONNECTING ROD ASSEMBLY (6 required per assembly) |
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#14 | 10-94320 | SCREW, (.375-24 x 1.250) (12 required per assembly) |
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#15 | 31-844338A01 | BEARING ASSEMBLY (6 required per assembly) |
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#16 | 12-88263 | THRUST WASHER (12 required per assembly) |
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#17 | 29-88258001 | BEARING, Needle (204 required per assembly) |
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29-88258001 - Bearing Needles - Priced Individually [ More info ] |
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#18 | 31-816773A 2 | BEARING ASSEMBLY (Upper) (1 required per assembly) |
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#19 | 26-859093 | SEAL (1 required per assembly) |
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26-859093 - Seal [ More info ]
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#20 | 25-823683 | O-RING, (1.989 x .070) (1 required per assembly) |
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#- | 27-841220A03 | GASKET SET, Powerhead (1 required per assembly) |
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#- | 61-841017A52 | POWERHEAD ASSEMBLY (1 required per assembly) |
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