Parts for Mercury Marine Model 40, 4 HP (Gnat 2 Cylinder) Crankshaft, Piston & Connecting Rod
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 27-68938A75 | GASKET SET |
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27-68938A75 - Gasket Set [ More info ] Unavailable |
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27-77586A78 - Gasket Set [ More info ] Unavailable |
| #1 | 458-5549 | CRANKSHAFT (1 required per assembly) |
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458-5549 - CrankShaft,NLA [ More info ]
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| #2 | 626-5547A 5 | CONNECTING ROD ASSEMBLY (2 required per assembly) |
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626-5547A 5 - CONNECTING,NLA [ More info ] Unavailable |
| #3 | 10-72455 | SCREW, CONNECTING ROD (4 required per assembly) |
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10-72455 - SCREW,NLA [ More info ] Unavailable |
| #4 | 14-72454 | TAB WASHER, CONNECTING ROD SCREW (4 required per assembly) |
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14-72454 - TAB WASHER,NLA [ More info ] Unavailable |
| #5 | 29-68944 | NEEDLE BEARING, CONNECTING ROD (50 required per assembly) |
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29-68944 - Needle Bearing [ More info ]
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| #6 | 68953A 1 | LINER ASSEMBLY, CONNECTING ROD - CRANKPIN (2 required per assembly) |
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68953A 1 - LINER ASSY,NLA [ More info ] Unavailable |
| #8 | 31-68949 | ROLLER BEARING, CONNECTING ROD - PISTON PIN (2 required per assembly) |
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31-68949 - Roller Bearing - Connecting Rod [ More info ]
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| #9 | 758-6248A 2 | PISTON ASSEMBLY (2 required per assembly) |
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758-6248A 2 - Piston [ More info ]
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758-8076A 2 - Piston, NLA [ More info ]
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| #10 | 40-68950 | LOCK RING, PISTON (4 required per assembly) |
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40-68950 - Lock Ring, NLA [ More info ]
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| #11 | 39-70175A12 | PISTON RING ASSEMBLY (1 required per assembly) |
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39-70175A12 - Ring Set-12 PCS, NLA [ More info ]
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| #12 | 26-30530 | OIL SEAL, CRANKSHAFT - UPPER (1 required per assembly) |
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26-30530 - Seal - Priced Individually [ More info ]
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18-0515 - Seal, 26-30530 [ More info ]
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| #13 | 31-78099 | ROLLER BEARING, CRANKSHAFT - UPPER (1 required per assembly) |
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31-78099 - Roller Bearing - Crankshaft - Upper [ More info ]
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| #14 | 71841 | RING, CRANKSHAFT (1 required per assembly) |
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71841 - RING,NLA [ More info ] Unavailable |
| #15 | 30-69389 | BALL BEARING, CRANKSHAFT - LOWER (1 required per assembly) |
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30-69389 - Ball Bearing, NLA [ More info ]
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| #16 | 53-68952 | RETAINING RING, BALL BEARING - LARGE (1 required per assembly) |
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53-68952 - RING,NLA [ More info ] Unavailable |
| #17 | 53-27275 | RETAINING RING, BALL BEARING - SMALL (1 required per assembly) |
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53-27275 - RING,NLA [ More info ] Unavailable |
| #18 | 26-77494 | OIL SEAL, CRANKSHAFT (1 required per assembly) |
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26-77494 - Seal, NLA [ More info ]
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| #19 | 25-62706 | "O" RING, CRANKSHAFT (1 required per assembly) |
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25-62706 - O-ring, (.426 X .070) [ More info ]
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18-7102-9 - O-Ring (PK5) 307450 [ More info ]
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| #20 | 70786A 1 | COUPLING ASSEMBLY, CRANKSHAFT (1 required per assembly) |
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70786A 1 - COUPLING ASSY,NLA [ More info ] Unavailable |
| #21 | 26-76266 | SEAL, COUPLING (1 required per assembly) |
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26-76266 - Seal, NLA [ More info ]
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