Parts for 225 Pro XS (3.0L DFI) 2-Stroke DFI Mercury Optimax Outboard Motor Powerhead Gasket Set Components
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #- | 841220A03 | GASKET SET (1 required per assembly) — Replaces: 832933A05 |
| #- | 857005A1 | DIAPHRAGM KIT FUEL PUMP (1 required per assembly) |
| #- | NSS | NOT SOLD SEPARATE GASKET-PULSE (1 required per assembly) |
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NSS - NOT SOLD SEPARATE [ More info ] Unavailable |
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| #- | 8M0204705 | GASKET @2 FUEL PUMP (1 required per assembly) — Replaces: 987691 |
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27-8M0204705 - Gasket Note: Priced Individually [ More info ] |
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| #- | 841220 | GASKET AIR HANDLER ADAPTOR PLATE (1 required per assembly) |
| #- | 62700 | O-RING (3.237 X .103) LOWER END CAP (1 required per assembly) |
| #- | 818574 | SEAL CYLINDER HEAD (2 required per assembly) |
| #- | 8503181 | GASKET THERMOSTAT COVER (2 required per assembly) |
| #- | 35126 | O-RING (.859 X .139) CRANKSHAFT-LOWER (1 required per assembly) |
| #- | 823683 | O-RING (1.989 X .070) CRANKSHAFT-UPPER (1 required per assembly) |
| #- | 832933006 | GASKET EXHAUST PLATE-UPPER (1 required per assembly) — Replaces: 8329335 |
| #- | 832934006 | GASKET EXHAUST PLATE-LOWER (1 required per assembly) — Replaces: 8329344 |
| #- | 88907003 | GASKET RELIEF VALVE COVER AND PLATE (2 required per assembly) |






