Parts for Mercury Marine 250 HP (3.0L EFI) Crankshaft, Pistons & Connecting Rods
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 883892A04 | POWERHEAD ASSEMBLY (1 required per assembly) (225) |
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883892A04 - PH 225 EFI 3.0L [ More info ] Unavailable |
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883892A07 - Powerhead 225EFI 3L [ More info ] Unavailable |
| # | 891823A04 | POWERHEAD ASSEMBLY (1 required per assembly) (200) |
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891823A04 - PH 200/225EFI 3.0 [ More info ] Unavailable |
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891823A07 - Powerhead 200EFI 3L [ More info ] Unavailable |
| # | 883893A04 | POWERHEAD ASSEMBLY (1 required per assembly) (3L Work) |
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883893A04 - PH 3.0L WORK [ More info ] Unavailable |
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883893A07 - Powerhead 3L Work Efi [ More info ] Unavailable |
| # | 27-832934A00 | GASKET SET, Powerhead (1 required per assembly) |
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27-832934A00 - Powerhead Gasket Set [ More info ] Unavailable |
| # | 883894A04 | POWERHEAD ASSEMBLY (1 required per assembly) (250) |
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883894A04 - PH 250 EFI 3.0L [ More info ] Unavailable |
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883894A07 - Powerhead 250EFI 3L [ More info ] Unavailable |
| #1 | 482-9784A11 | CRANKSHAFT ASSEMBLY (1 required per assembly) |
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482-9784A11 - CrankShaft Assembly [ More info ] Unavailable |
| #2 | NSS | NOT SOLD SEPARATE, Wear Sleeve (1 required per assembly) |
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NSS - NOT SOLD SEPARATE [ More info ] Unavailable |
| #3 | 30-67923T | BEARING, Ball (Lower) (1 required per assembly) |
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30-67923T - Ball Bearing [ More info ]
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| #4 | 53-67446 | RING (1 required per assembly) |
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53-67446 - Ring - Retaining [ More info ]
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| #5 | 39-816106 | RING (7 required per assembly) SN# 0T979999 & Below |
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39-816106 - RING-SEAL [ More info ] Unavailable |
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39-843198001 - RING-SEAL [ More info ] Unavailable |
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39-843198T01 - Seal Ring [ More info ]
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| #5 | 39-843198001 | RING, Seal (7 required per assembly) SN# 0T980000 & Up |
| #6 | 28-91800 | KEY, Woodruff (1 required per assembly) |
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28-91800 - Key - Priced Individually [ More info ]
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| #7 | 25-35126 | O-RING, (.859 x .139) (1 required per assembly) |
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25-35126 - O-ring, (.859 X .139) [ More info ]
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| #8 | 31-88270A 1 | RACE ASSEMBLY (2 required per assembly) |
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31-88270A 1 - Bearing/RACE KIT [ More info ]
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31-88270A02 - Bearing/Race Kit [ More info ]
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| #10 | 700-858295T 1 | PISTON (3 required per assembly) (Starboard-Standard) |
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700-858295T 1 - Piston - Starboard [ More info ] Unavailable |
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700-858295T14 - Piston Assembly - Stbd [ More info ]
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18-4640 - Piston, 700-858295T1.std [ More info ]
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| #10 | 700-858294T 1 | PISTON (3 required per assembly) (Port-Standard) |
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700-858294T 1 - Piston - Port [ More info ] Unavailable |
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700-858294T14 - Piston Assembly - Port [ More info ]
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18-4639 - Piston, 700-858294T1.std [ More info ]
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| #10 | 700-878572A 2 | PISTON ASSEMBLY (AR required per assembly) (Starboard - .015 oversize) |
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700-878572A 2 - Piston - Stbd - .015 [ More info ]
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| #10 | 700-878571A 2 | PISTON ASSEMBLY (AR required per assembly) (Port - .015 oversize) |
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700-878571A 2 - Piston - Port - .015 [ More info ]
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| #10 | 700-878574A 2 | PISTON ASSEMBLY (AR required per assembly) (Starboard - .030 oversize) |
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700-878574A 2 - Piston - Stbd - .030 [ More info ]
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| #10 | 700-878573A 2 | PISTON ASSEMBLY (AR required per assembly) (Port - .030 oversize) |
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700-878573A 2 - Piston - Port - .030 [ More info ]
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18-4643 - Piston, 700-878573A2.030 [ More info ]
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| #11 | 40-841202 | RING (12 required per assembly) |
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40-841202 - Lock Ring [ More info ]
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| #12 | 39-858772A12 | RING SET, Piston (1 required per assembly) (Standard) |
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39-858772A12 - Piston Rings [ More info ]
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| #12 | 39-875252A12 | RING SET, Piston (AR required per assembly) (.015 oversize) |
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39-875252A12 - Piston Rings [ More info ]
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| #12 | 39-875257A12 | RING SET, Piston (AR required per assembly) (.030 oversize) |
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39-875257A12 - Piston Rings [ More info ]
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| #14 | 647-822373A 7 | CONNECTING ROD ASSEMBLY (6 required per assembly) SN# 1B105071 & Below |
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647-822373A 7 - Connecting Rod Kit [ More info ] Unavailable |
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647-822373A09 - Connecting Rod Kit [ More info ] Unavailable |
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6008M0125869 - Connecting Rod Kit [ More info ]
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| #14 | 647-822373A09 | CONNECTING ROD ASSEMBLY (6 required per assembly) SN# 1B105072 & Up |
| #15 | 10-94320 | SCREW, (.375-24 x 1.250) (12 required per assembly) |
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10-94320 - Screw [ More info ]
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| #16 | 31-43012A 1 | BEARING/CAGE KIT (12 required per assembly) |
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31-43012A 1 - Bearing/Cage Kit [ More info ]
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31-43012A04 - Bearing/CAGE KIT [ More info ]
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31-844338A01 - Bearing Kit [ More info ]
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| #18 | 12-88263 | THRUST WASHER (12 required per assembly) |
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12-88263 - Washer, Needle Locating [ More info ]
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| #19 | 29-88258001 | BEARING, Needle (204 required per assembly) |
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29-88258001 - Bearing Needles - Priced Individually [ More info ]
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29-8M0204715 - NEEDLES-BRG @102 [ More info ] Unavailable |
| #20 | 31-816773A 2 | BEARING ASSEMBLY (Upper) (1 required per assembly) |
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31-816773A 2 - Main Bearing - Upper [ More info ]
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| #21 | 26-859093 | SEAL (1 required per assembly) |
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26-859093 - Seal [ More info ]
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| #22 | 25-823683 | O-RING, (1.989 x .070) (1 required per assembly) |
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25-823683 - O-ring, (1.989 X .070) [ More info ]
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