Parts for Mercury Marine 25 HP (4-Stroke) Crankshaft, Pistons & Connecting Rods
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 | 2418-830269A 1 | CRANKSHAFT (1 required per assembly) |
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2418-830269A 1 - CrankShaft [ More info ]
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| #2 | 28-18856M | KEY (1 required per assembly) |
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28-18856M - KEY O [ More info ] Unavailable |
| #3 | 28-91800 | KEY, Woodruff (1 required per assembly) |
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28-91800 - Key - Priced Individually [ More info ]
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| #4 | 26-825027 | SEAL (1 required per assembly) |
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26-825027 - 26-825027 - SEAL O [ More info ] Unavailable Replaced by 26-893949 |
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26-893949 - Oil Seal [ More info ]
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| #5 | 26-832013 | SEAL (1 required per assembly) |
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26-832013 - Seal [ More info ]
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26-893948 - Oil Seal [ More info ]
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| #6 | 662-856065T | CONNECTING ROD (2 required per assembly) |
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662-856065T - 662-856065T - CONNECTING ROD O [ More info ] Unavailable Replaced by 662-856065T 1 |
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662-856065T 1 - 662-856065T 1 - CONNECTING ROD O [ More info ] Unavailable Replaced by 600-893530T01 |
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600-893530T01 - Connecting Rod As [ More info ]
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| #7 | 10-825019 | BOLT (4 required per assembly) |
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10-825019 - BOLT O [ More info ] Unavailable |
| #8 | 23-825021 | BEARING (4 required per assembly) Brown |
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23-825021 - 23-825021 - BEARING Brown O [ More info ] Unavailable Replaced by 23-893630 |
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23-893630 - Bearing [ More info ]
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| #8 | 23-825021 1 | BEARING (4 required per assembly) Black |
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23-825021 1 - Bearing [ More info ]
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23-893630001 - Bearing [ More info ]
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| #8 | 23-825021 2 | BEARING (4 required per assembly) Blue |
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23-825021 2 - 23-825021 2 - BEARING Blue O [ More info ] Unavailable Replaced by 23-893630002 |
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23-893630002 - Bearing [ More info ]
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| #9 | 713-856064A 1 | PISTON ASSEMBLY (2 required per assembly) Standard |
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713-856064A 1 - 713-856064A 1 - PISTON ASSEMBLY O [ More info ] Unavailable Replaced by 700-893524T07 |
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700-893524T07 - 700-893524T07 - PISTON ASSEMBLY O [ More info ] Unavailable Replaced by 700-893524T08 |
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700-893524T08 - Piston Assembly [ More info ]
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| #9 | 713-856064 2 | PISTON (2 required per assembly) .25 Oversize - Piston Only |
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713-856064 2 - 713-856064 2 - PISTON O [ More info ] Unavailable Replaced by 700-893524T01 |
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700-893524T01 - PISTON ASSEMBLY O NLA [ More info ] Unavailable |
| #9 | 713-856064 3 | PISTON (2 required per assembly) .50 Oversize - Piston Only |
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713-856064 3 - 713-856064 3 - PISTON O [ More info ] Unavailable Replaced by 700-893524T02 |
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700-893524T02 - PISTON ASSEMBLY O NLA [ More info ] Unavailable |
| #10 | 39-833099A 1 | RING SET, Piston (2 required per assembly) Standard |
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39-833099A 1 - 39-833099A 1 - RING SET Piston O [ More info ] Unavailable Replaced by 39-893525A01 |
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39-893525A01 - Piston Rings [ More info ]
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| #10 | 39-833100T 2 | RING, Piston, Top (2 required per assembly) .25mm Oversize |
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39-833100T 2 - 39-833100T 2 - RING Piston O [ More info ] Unavailable Replaced by 39-893525A02 |
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39-893525A02 - Rings .25 Oversize [ More info ]
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| #10 | 39-833100T 3 | RING, Piston, Top (2 required per assembly) .50mm Oversize |
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39-833100T 3 - 39-833100T 3 - RING Piston O [ More info ] Unavailable Replaced by 39-893525A03 |
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39-893525A03 - Rings .50 Oversize [ More info ]
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| #11 | NSS | NOT SOLD SEPARATE, Piston Ring-Second (2 required per assembly) Standard |
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NSS - NOT SOLD SEPARATE O [ More info ] Unavailable |
| #12 | 39-833101 1 | RING, Oil (2 required per assembly) Standard |
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39-833101 1 - Ring Set-OIL [ More info ]
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39-893527 - 39-893527 - RING Oil - Piston O [ More info ] Unavailable Replaced by 39-893950 |
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39-893950 - RING O [ More info ] Unavailable |
| #13 | 41-825016 | PIN, Piston (2 required per assembly) |
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41-825016 - 41-825016 - PIN Piston O [ More info ] Unavailable Replaced by 41-893863 |
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41-893863 - Piston Pin [ More info ]
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| #14 | 40-825017 | RETAINER (4 required per assembly) |
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40-825017 - Retainer [ More info ]
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| #15 | 652-831876A 1 | BALANCE ROD (1 required per assembly) |
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652-831876A 1 - Rod -balance [ More info ]
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| #16 | 701-831875 1 | PISTON (1 required per assembly) |
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701-831875 1 - 701-831875 1 - PISTON O [ More info ] Unavailable Replaced by 701-831875T 2 |
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701-831875T 2 - Piston - Balance [ More info ]
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| #17 | 11-81773M | NUT (1 required per assembly) |
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| #18 | 833102T | GEAR, Drive (1 required per assembly) |
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833102T - Drive Pulley [ More info ]
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| #- | 61-854236T00 | POWERHEAD ASSEMBLY (1 required per assembly) |
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61-854236T00 - Powerhead 25 4S [ More info ]
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| #- | 27-830270A98 | GASKET SET (1 required per assembly) |
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27-830270A98 - 27-830270A98 - GASKET SET O [ More info ] Unavailable Replaced by 27-830270A02 |
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27-830270A02 - Gasket Set [ More info ]
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