Mercury outboard spare part 400256 (LOCKWASHER (M6)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 10 HP MARATHON, 10 HP SEAPRO, 15 HP, 10 HP MAGNUM, 10 HP XR, 40C (TWIN CARB) (W/AUTO-BLEND), 20C (THRU PROP. EXHAUST), 40B (THRU PROP. EXHAUST), 15K HP, 10 HP VIKING, 40C (TWIN CARB), 25C (THRU PROP. EXHAUST). Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 400256 (LOCKWASHER (M6)), documented in 503 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI, 4-STROKE-CARB, 4-STROKE-EFI, SEARS series.
| Series | Model | Serial range | REF | Qty | Diagram |
|---|---|---|---|---|---|
| Mercury 2-STROKE-CARB | 10-hp-magnum | 0D038000 THRU 0D279999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-magnum | 0D281000 THRU 0G760299 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-magnum | 0G760300 THRU 0T979999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-magnum | 0P017000 THRU 0P325499 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-magnum | 9596000 THRU 9792199 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-magnum | 9792200 THRU 0P016999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-marathon | 0D038000 THRU 0D279999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-marathon | 0D281000 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-marathon | 0G760300 THRU 0T979999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-marathon | 0P017000 THRU 0P325499 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-marathon | 0P325500 THRU 0P411440 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-marathon | 0T980000 THRU 0T999999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-marathon | 1B000001 THRU 1B207437 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-marathon | 9596000 THRU 9792199 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-marathon | 9792200 THRU 0P016999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-seapro | 0D038000 THRU 0D279999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-seapro | 0D281000 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-seapro | 0G760300 THRU 0T979999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-seapro | 0P017000 THRU 0P325499 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-seapro | 0P325500 THRU 0P411440 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-seapro | 0T980000 THRU 0T999999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-seapro | 1B000001 THRU 1B207437 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-seapro | 9596000 THRU 9792199 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-seapro | 9792200 THRU 0P016999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-viking | 0P017000 THRU 0P325499 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-viking | 0P325500 THRU 0P411440 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-xr | 0D038000 THRU 0D279998 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-xr | 0D281000 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-xr | 0G760300 THRU 0T979999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-xr | 0P017000 THRU 0P325499 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-xr | 9596000 THRU 9792199 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 10-hp-xr | 9792200 THRU 0P016999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 100-4-cyl | 0A722297 THRU 0D283221 | 21 | 2 | View |
| Mercury 2-STROKE-CARB | 105-jet | 0G303046 THRU 0G760299 | 27 | 1 | View |
| Mercury 2-STROKE-CARB | 110-jet-2-5l | 1B690542 THRU 1B974227 | 27, 3, 5 | 1, 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0C100000 THRU 0D283221 | 21 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0D283222 THRU 0G760299 | 21 | 2, 6 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0G760300 THRU 0T979999 | 21 | 2, 6 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0P017000 THRU 0P325499 | 21 | 2, 6 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0P325500 THRU 0P340986 | 21 | 2, 6 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0T980000 THRU 1B214144 | 21 | 2, 6 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 1B000001 THRU 1B358950 | 21 | 2, 6 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 9559771 THRU 9793576 | 21 | 2, 6 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 9793577 THRU 0P016999 | 21 | 2, 6 | View |
| Mercury 2-STROKE-CARB | 15-hp | 0A197112 THRU 0D280999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp | 0D281000 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp | 0G760300 THRU 0T979999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp | 0P017000 THRU 0P325499 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp | 0P325500 THRU 0P334727 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp | 0T980000 THRU 0T999999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp | 1B000001 THRU 1B207618 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp | 9542620 THRU 9792199 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp | 9792200 THRU 0P016999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-2-cyl-international | 0N001590 THRU 0N055284 | 15, 16, 3, 31, 4, 8 | 1, 2, 4 | View |
| Mercury 2-STROKE-CARB | 15-hp-2-cyl-international | 0N055285 UP | 15, 16, 3, 31, 4, 6, 8 | 1, 2, 4 | View |
| Mercury 2-STROKE-CARB | 15-hp-marathon | 0G044365 THRU 0G437999 | 4, 6 | 4, 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-marathon | 0G438000 THRU 0G760299 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-marathon | 0G760300 THRU 0T979999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-marathon | 0P017000 THRU 0P325499 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-marathon | 0P325500 THRU 0P411440 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-marathon | 0T980000 THRU 0T999999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-marathon | 1B000001 THRU 1B207437 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-marathon | 9927000 THRU 0P016999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-marathon-xd | 0P017000 THRU 0P325499 | 6 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-marathon-xd | 9927000 THRU 0P016999 | 6 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-seapro | 0G044365 THRU 0G437999 | 4, 6 | 4, 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-seapro | 0G438000 THRU 0G760299 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-seapro | 0G760300 THRU 0T979999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-seapro | 0P017000 THRU 0P325499 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-seapro | 0P325500 THRU 0P411440 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-seapro | 0T980000 THRU 0T999999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-seapro | 1B000001 THRU 1B207437 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-seapro | 9927000 THRU 0P016999 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-seapro-xd | 0P017000 THRU 0P325499 | 6 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-seapro-xd | 9927000 THRU 0P016999 | 6 | 2 | View |
| Mercury 2-STROKE-CARB | 15-hp-viking | 0P325500 THRU 0P411440 | 6, 8 | 2 | View |
| Mercury 2-STROKE-CARB | 15k-hp | 65G 200197 THRU 00301769 | 6 | 2 | View |
| Mercury 2-STROKE-CARB | 15k-hp | 65G 602581 THRU 00301769 | 6 | 2 | View |
| Mercury 2-STROKE-CARB | 15k-hp | 6M7K 100382 THRU 6B81000215 | 6 | 2 | View |
| Mercury 2-STROKE-CARB | 18-hp-2-cyl-international | 0N001590 THRU 0N055284 | 15, 16, 3, 31, 4 | 1, 2, 4 | View |
Another 423 location(s) are recorded but not listed here. Use the model links above to open the matching diagram.
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