Mercury outboard spare part 53166 (LOCKWASHER (.312)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 40 H.P. (1998), 40 H.P. (1999), 50 H.P. (1998), 50 H.P. (1999), 75 H.P. (1998). Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 53166 (LOCKWASHER (.312)), documented in 260 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI, 4-STROKE-EFI, FORCE series.
| Series | Model | Serial range | REF | Qty | Diagram |
|---|---|---|---|---|---|
| Mercury 2-STROKE-CARB | 100-4-cyl | 0A722297 THRU 0D283221 | 4 | 2 | View |
| Mercury 2-STROKE-CARB | 100-4-cyl | 0D283222 THRU 0G760299 | 4 | 2 | View |
| Mercury 2-STROKE-CARB | 100-4-cyl | 0G760300 THRU 0G965520 | 4 | 2 | View |
| Mercury 2-STROKE-CARB | 100-4-cyl | 0P017000 THRU 0P058999 | 4 | 2 | View |
| Mercury 2-STROKE-CARB | 100-4-cyl | 9523034 THRU 9793576 | 4 | 2 | View |
| Mercury 2-STROKE-CARB | 100-4-cyl | 9793577 THRU 0P016999 | 4 | 2 | View |
| Mercury 2-STROKE-CARB | 110-jet-2-5l | 1B690542 THRU 1B974227 | 17, 20 | 3, 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0C100000 THRU 0D283221 | 29 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0D283222 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0G760300 THRU 0T979999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0P017000 THRU 0P325499 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0P325500 THRU 0P340986 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0T980000 THRU 1B214144 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 1B000001 THRU 1B358950 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 9559771 THRU 9793576 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 9793577 THRU 0P016999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 125-4-cyl | 0D283222 THRU 0G760299 | 37 | 2 | View |
| Mercury 2-STROKE-CARB | 125-4-cyl | 0G760300 THRU 0T979999 | 29 | 2 | View |
| Mercury 2-STROKE-CARB | 125-4-cyl | 0P017000 THRU 0P325499 | 29 | 2 | View |
| Mercury 2-STROKE-CARB | 125-4-cyl | 0P325500 THRU 0P340986 | 29 | 2 | View |
| Mercury 2-STROKE-CARB | 125-4-cyl | 0T980000 THRU 1B214144 | 29 | 2 | View |
| Mercury 2-STROKE-CARB | 125-4-cyl | 1B000001 THRU 1B358950 | 29 | 2 | View |
| Mercury 2-STROKE-CARB | 125-4-cyl | 9793577 THRU 0P016999 | 37 | 2 | View |
| Mercury 2-STROKE-CARB | 140-jet | 0G303046 THRU 0G760299 | 27 | 2 | View |
| Mercury 2-STROKE-CARB | 140-jet | 0G760300 THRU 0G960499 | 27 | 2 | View |
| Mercury 2-STROKE-CARB | 140-jet | 0G960500 THRU 0T178499 | 27 | 2 | View |
| Mercury 2-STROKE-CARB | 225-3-0l | 0D280813 THRU 0G760299 | 18, 36, 39, 47 | 2 | View |
| Mercury 2-STROKE-CARB | 225-3-0l | 0G760300 THRU 0T408999 | 44 | 2 | View |
| Mercury 2-STROKE-CARB | 225-marathon-3-0l | 0G245605 THRU 0G760299 | 18, 36, 39, 47 | 2 | View |
| Mercury 2-STROKE-CARB | 225-marathon-3-0l | 0G760300 THRU 0T408999 | 44 | 2 | View |
| Mercury 2-STROKE-CARB | 225-seapro-3-0l | 0G245605 THRU 0G760299 | 18, 36, 39, 47 | 2 | View |
| Mercury 2-STROKE-CARB | 225-seapro-3-0l | 0G760300 THRU 0T408999 | 44 | 2 | View |
| Mercury 2-STROKE-CARB | 250-275 | 0C101891 THRU 0D224591 | 11, 3 | 3 | View |
| Mercury 2-STROKE-CARB | 3-6-hp | 5404657 THRU 0A809600 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 3-6-hp | 7145388 THRU 0A809600 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 3-6-hp | 9252831 THRU 0A809600 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 40-hp-2-cyl-product-of-usa | 5589202 THRU 5595531 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 40-hp-2-cyl-product-of-usa | 7146488 THRU 7147237 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 40-hp-2-cyl-product-of-usa | 8065265 THRU 8068064 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 40-hp-2-cyl-product-of-usa | 9256981 THRU 9258280 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 65-jet | 0D283222 THRU 0G760299 | 13 | 2 | View |
| Mercury 2-STROKE-CARB | 65-jet | 0G760300 THRU 0T979999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 65-jet | 0P017000 THRU 0P325499 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 65-jet | 9793577 THRU 0P016999 | 13 | 2 | View |
| Mercury 2-STROKE-CARB | 65-jet-3-cyl | 0T980000 THRU 1B214111 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 65-jet-3-cyl | 1B000001 THRU 2B535625 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 7-5-75-hp | 7125388 THRU 0A197113 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 7-5-75-hp | 8057545 THRU 0A197113 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 7-5-75-hp | 9217756 THRU 0A197113 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 80-jet | 0D283222 THRU 0G760299 | 37 | 2 | View |
| Mercury 2-STROKE-CARB | 80-jet | 0G760300 THRU 0T979999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 80-jet | 0P017000 THRU 0P325499 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 80-jet | 0T980000 THRU 1B214144 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 80-jet | 1B000001 THRU 1B358950 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 80-jet | 9793577 THRU 0P016999 | 37 | 2 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | 5206550 THRU 0A197113 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | 7127388 THRU 0A197113 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | 8057545 THRU 0A197113 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | 9217756 THRU 0A197113 | 24 | 1 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 0B240451 THRU 0C221999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 0C222000 THRU 0D283221 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 0D283222 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 0G760300 THRU 0T979999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 0P017000 THRU 0P325499 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 0P325500 THRU 0P557439 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 0T980000 THRU 1B214111 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 1B000001 THRU 2B535625 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 9483121 THRU 9506480 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 9506481 THRU 9589038 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 9589039 THRU 9793576 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 9793577 THRU 0P016999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | v-135 | 0A904646 THRU 0C100860 | 11, 31 | 4, 2 | View |
| Mercury 2-STROKE-CARB | v-135 | 0C100861 THRU 0C239552 | 11 | 4 | View |
| Mercury 2-STROKE-CARB | v-135 | 0C239553 THRU 0D081999 | 11 | 4 | View |
| Mercury 2-STROKE-CARB | v-135 | 0D082000 THRU 0G303045 | 11 | 4 | View |
| Mercury 2-STROKE-CARB | v-135 | 0G303046 THRU 0G760299 | 11 | 4 | View |
| Mercury 2-STROKE-CARB | v-135 | 0G760300 THRU 0G960499 | 11 | 4 | View |
| Mercury 2-STROKE-CARB | v-135 | 0G960500 THRU 0T178499 | 11 | 4 | View |
| Mercury 2-STROKE-CARB | v-150 | 0A904646 THRU 0C100860 | 11, 31 | 4, 2 | View |
| Mercury 2-STROKE-CARB | v-150 | 0C100861 THRU 0C239552 | 27 | 2 | View |
Another 180 location(s) are recorded but not listed here. Use the model links above to open the matching diagram.
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