Mercury outboard spare part 21825 (NUT (.250-28)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 90, 900 6 CYL. Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 21825 (NUT (.250-28)), documented in 57 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.
| Series | Model | Serial range | REF | Qty | Diagram |
|---|---|---|---|---|---|
| Mercury 2-STROKE-CARB | 250-275 | 0C101891 THRU 0D224591 | 22 | 1 | View |
| Mercury 2-STROKE-CARB | 35-2-cyl | 209608 THRU 0B110788 | 37 | 1 | View |
| Mercury 2-STROKE-CARB | 35-2-cyl | 6445653 THRU 0B110788 | 37 | 1 | View |
| Mercury 2-STROKE-CARB | 35-2-cyl | 9384476 THRU 0B110788 | 37 | 1 | View |
| Mercury 2-STROKE-CARB | 40-hp-2-cyl-product-of-usa | 5589202 THRU 5595531 | 16 | 4 | View |
| Mercury 2-STROKE-CARB | 40-hp-2-cyl-product-of-usa | 7146488 THRU 7147237 | 16 | 4 | View |
| Mercury 2-STROKE-CARB | 40-hp-2-cyl-product-of-usa | 8065265 THRU 8068064 | 16 | 4 | View |
| Mercury 2-STROKE-CARB | 40-hp-2-cyl-product-of-usa | 9256981 THRU 9258280 | 16 | 4 | View |
| Mercury 2-STROKE-CARB | 40-lightning-xr-international | 0N000513 THRU 0N056164 | 37 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 0A719281 THRU 0A745944 | 34 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 0B110789 THRU 0B370271 | 34 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 5531630 THRU 0B110788 | 34 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 7143688 THRU 0A719280 | 34 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 8063985 THRU 0B110788 | 34 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 9248006 THRU 9466691 | 34 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 9466692 THRU 09522535 | 34 | 1 | View |
| Mercury 2-STROKE-CARB | 60-2-cyl | E 675 00101 THRU E 675 001170 | 52, 53 | 2, 1 | View |
| Mercury 2-STROKE-CARB | 60-2-cyl | EL 675 30101 THRU EL 675 304180 | 52, 53 | 2, 1 | View |
| Mercury 2-STROKE-CARB | 7-5-75-hp | 7125388 THRU 0A197113 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 7-5-75-hp | 8057545 THRU 0A197113 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 7-5-75-hp | 9217756 THRU 0A197113 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 80-800-4-cyl | 5582562 THRU 6432900 | 38 | 4, 1 | View |
| Mercury 2-STROKE-CARB | 80-800-4-cyl | 7146213 THRU 7208572 | 38 | 4, 1 | View |
| Mercury 2-STROKE-CARB | 80-800-4-cyl | 8067015 THRU 8127014 | 38 | 4, 1 | View |
| Mercury 2-STROKE-CARB | 80-800-4-cyl | 9256131 THRU 9393855 | 38 | 4, 1 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | 5206550 THRU 0A197113 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | 7127388 THRU 0A197113 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | 8057545 THRU 0A197113 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | 9217756 THRU 0A197113 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | ARCHIVE CAT 31945 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | ARCHIVE CAT 39562 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | ARCHIVE CAT 59344 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | ARCHIVE CAT 62430 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | 9-8-hp-merc-110 | ARCHIVE CAT 67136 | 12 | 4 | View |
| Mercury 2-STROKE-CARB | v-150-magnum | 5600162 THRU 0A904645 | 27 | 1 | View |
| Mercury 2-STROKE-CARB | v-150-marathon | 5600162 THRU 0A904645 | 27 | 1 | View |
| Mercury 2-STROKE-CARB | v-150-work | 4868998 THRU 0A904645 | 27 | 1 | View |
| Mercury 2-STROKE-CARB | v-150-xr-2 | 4868998 THRU 0A904645 | 27 | 1 | View |
| Mercury 2-STROKE-CARB | v-1500 | 4868998 THRU 0A904645 | 27 | 1 | View |
| Mercury 2-STROKE-CARB | v-175 | 0C239553 THRU 0D081999 | 18 | 1 | View |
| Mercury 2-STROKE-CARB | v-175 | 0D082000 THRU 0G303045 | 18 | 1 | View |
| Mercury 2-STROKE-CARB | v-175 | 0G303046 THRU 0G760299 | 18 | 1 | View |
| Mercury 2-STROKE-CARB | v-175 | 0G760300 THRU 0G960499 | 18 | 1 | View |
| Mercury 2-STROKE-CARB | v-175 | 4301235 THRU 0C100860 | 18 | 1 | View |
| Mercury 2-STROKE-CARB | v-175 | 8058870 THRU 0B384939 | 18 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l | 0T235000 THRU 0T818180 | 18 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l | 0T818181 THRU 1E000796 | 18 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l | 1E000797 THRU 1E002110 | 18 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l-ros | 1E050852 THRU 1E053876 | 14 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 0T651945 THRU 0T818042 | 18 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 0T818043 THRU 0T997973 | 18 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 0T997974 THRU 1E000796 | 18 | 1 | View |
| Mercury 2-STROKE-EFI | 150-200-hp-pro-max-super-mag | 0G610050 THRU 0G856999 | 18 | 1 | View |
| Mercury 2-STROKE-EFI | 225x-efi-promax | 0T430254 THRU 0T819605 | 18 | 1 | View |
| Mercury 2-STROKE-EFI | 300-3-0l-promax | 0G610221 THRU 0T105297 | 18 | 1 | View |
| Mercury 2-STROKE-EFI | 300-3-0l-supermagnum | 0G610221 THRU 0T105297 | 18 | 1 | View |
| Mercury 2-STROKE-EFI | 300x-3-0l-pro-max | 0T235084 THRU 0T429939 | 18 | 1 | View |
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