Mercury outboard spare part 840307T20 (GEAR HOUSING ASSEMBLY Complete). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 250 HP XS 6 CYL (3.0L), 300 HP XS 6 CYL (3.2L), 300X (3.0L) PRO MAX. Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 840307T20 (GEAR HOUSING ASSEMBLY Complete), documented in 4 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX series.
| Series | Model | Serial range | REF | Qty | Diagram |
|---|---|---|---|---|---|
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 0T997974 THRU 1E000796 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 1E000797 THRU 1E002341 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 300-hp-xs-6-cyl-3-2l | 1E001867 THRU 1E052057 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 300-hp-xs-6-cyl-3-2l | 1E052058 THRU 1E053987 | - | 1 | View |
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