Mercury outboard spare part 858570 (STEPPED STUD). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 225 (3.0L), 225 (3.0L) MARATHON, 225 (3.0L) SEAPRO, 250 (3.0L). Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 858570 (STEPPED STUD), documented in 10 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-EFI series.
| Series | Model | Serial range | REF | Qty | Diagram |
|---|---|---|---|---|---|
| Mercury 2-STROKE-CARB | 225-3-0l | 0G760300 THRU 0T408999 | 4 | 1 | View |
| Mercury 2-STROKE-CARB | 225-marathon-3-0l | 0G760300 THRU 0T408999 | 4 | 1 | View |
| Mercury 2-STROKE-CARB | 225-seapro-3-0l | 0G760300 THRU 0T408999 | 4 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 0G760300 THRU 0T408999 | 4 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 0T801000 THRU 1B417701 | 4 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 1B417702 THRU 1B504988 | 4 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 1B504989 THRU 2B528096 | 4 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l-marathon | 0T801000 THRU 1B417701 | 4 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l-seapro | 0T801000 THRU 1B417701 | 4 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 0G760300 THRU 0T408999 | 4 | 1 | View |
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