Parts for 225 (DFI) 2-Stroke DFI Mercury Optimax Outboard Motor Cylinder Block & End Cap
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #- | 832934A00 | GASKET SET (1 required per assembly) |
| #- | 854198A07 | PH 200DFI 3L (200) (1 required per assembly) — Replaces: 854198A03, 854198A04 |
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854198A07 - Powerhead 200DFI 3L [ More info ] Unavailable |
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| #- | 877869A07 | PH 225DFI 3L (225) (1 required per assembly) — Replaces: 877869A03, 877869A04 |
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877869A07 - Powerhead 225DFI 3L [ More info ] Unavailable |
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| #1 | 899162A05 | CYLINDER BLOCK (200) (1 required per assembly) — Replaces: 9811T86, 9811T91 |
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885-899162A05 - Cylinder Block [ More info ] Unavailable |
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| #1 | 899162A06 | CYLINDER BLOCK (225) (1 required per assembly) — Replaces: 9811T87, 9811T92 |
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885-899162A06 - Cylinder Block [ More info ] Unavailable |
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| #2 | 81893440 | SCREW (M8 X 40) (4 required per assembly) |
| #3 | 8M0111325 | COVER (2 required per assembly) — Replaces: 8569662, 8M0041759 |
| #4 | 903509 | STUD (M10 X 1.5 X 64) (4 required per assembly) |
| #5 | 8154431 | STUD (M10 X 1.5 X 155) (6 required per assembly) |
| #6 | 8248577 | DEFLECTOR (6 required per assembly) |
| #7 | 8781051 | CHECK VALVE (1 required per assembly) |
| #8 | 8M0036405 | PIN (3 required per assembly) — Replaces: 67296 |
| #9 | 43044 | PIN DOWEL - WITHOUT HOLE (.375 X .625) (1 required per assembly) |
| #10 | 850309001 | PLUG STOP (6 required per assembly) — Replaces: 850309 |
| #11 | 81893435 | SCREW (M8 X 35) (14 required per assembly) |
| #12 | 82446180 | SCREW (M10 X 80) (8 required per assembly) |
| #13 | 8245021 | CONNECTOR (1 required per assembly) |
| #14 | 8405101 | PIN (1 required per assembly) |
| #15 | 856774 | WASHER @5 (10 required per assembly) |
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12-856774 - Washer, (.406 X .750 X .105) Stainless Steel [ More info ] Unavailable |
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128M0214963 - WASHER Note: Priced Individually [ More info ] |
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| #16 | 4013610 | NUT @3 (10 required per assembly) |
| #17 | 8M0082988 | SENSOR ASSY (1 required per assembly) — Replaces: 8283582, 8M0030022 |
| #18 | 40011107 | SCREW @5 (2 required per assembly) |
| #19 | 9787A4 | END CAP ASSY (1 required per assembly) |
| #20 | 62700 | O-RING (3.237 X .103) (1 required per assembly) |
| #21 | 8308981 | SEAL (2 required per assembly) |
| #22 | 82130020 | SCREW @5 (4 required per assembly) |
| #23 | 82130012 | SCREW @5 (2 required per assembly) |
| #24 | 858902 | CLAMP (1 required per assembly) |
| #25 | 8M0024808 | J CLIP (3 required per assembly) — Replaces: 65292 |
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54-8M0024808 - J-CLIP [ More info ] Unavailable |
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| #26 | 82130012 | SCREW @5 (2 required per assembly) |
| #27 | 818574 | SEAL (2 required per assembly) |
| #28 | 884391 | SEAL (6 required per assembly) |
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884391 - Cylinder Bore Seal [ More info ]
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| #29 | 858485T07 | HEAD ASY-CYL-STBD (STARBOARD) (1 required per assembly) — Replaces: 858485T6 |
| #29 | 858483T07 | HEAD ASY-CYL-PORT (PORT) (1 required per assembly) — Replaces: 858483T6 |
| #30 | 885599004 | THERMOSTAT 130 (2 required per assembly) — Replaces: 8855991, 885599003 |
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885599004 - Thermostat, 130 Degrees [ More info ] Unavailable |
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| #31 | 8503181 | GASKET @6 (2 required per assembly) |
| #32 | 887601002 | COVER (PORT) (1 required per assembly) — Replaces: 887601 |
| #32 | 887602002 | COVER (STARBOARD) (1 required per assembly) — Replaces: 887602 |
| #33 | 82130025 | SCREW @5 (4 required per assembly) |
| #34 | 8M0045380 | SCREW @5 (40 required per assembly) — Replaces: 859096, 891570050 |
| #35 | 889575 | SENSOR ASSY-TEMP (2 required per assembly) — Replaces: 858535 |
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889575 - Temperature Sensor Assembly [ More info ] Unavailable |
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| #36 | 627021 | O-RING (.301 X .070) (2 required per assembly) |
| #37 | 328022 | PLUG-(BRASS)@2 (2 required per assembly) |
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22-32802 2 - Brass Pipe Plug, Priced Individually [ More info ] |
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| #38 | 857186T02 | PLATE ASSY-ALT (1 required per assembly) — Replaces: 857186A1 |
| #39 | 855729 | MOUNT (3 required per assembly) |
| #40 | 82130145 | SCREW (3 required per assembly) |
| #41 | 19565002 | GROMMET (1 required per assembly) — Replaces: 19565 |
| #42 | 855725 | WASHER (6 required per assembly) |
| #43 | 858424 | CLAMP (1 required per assembly) |
| #44 | 858951 | J CLIP (1 required per assembly) |
| #45 | 82130012 | SCREW @5 (1 required per assembly) |
| #46 | 8589521 | BRACKET-STARTER (1 required per assembly) |
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858952 1 - Starter Bracket [ More info ] Unavailable |
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| #47 | 859376 | CLIP (1 required per assembly) |
| #48 | 8266241 | CLAMP (1 required per assembly) |
| #49 | 8M0204649 | WASHER @10 (1 required per assembly) — Replaces: 29245 |
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12-8M0204649 - WASHER Note: Priced Individually [ More info ] |
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| #50 | 82130016 | SCREW @5 (1 required per assembly) |






