Mercury outboard spare part 21449 (SCREW (.312-24 x 2.00)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 50, 500 4 CYL, 45, 450 4 CYL. Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 21449 (SCREW (.312-24 x 2.00)), documented in 24 exploded diagram location(s), across the 2-STROKE-CARB series.
| Series | Model | Serial range | REF | Qty | Diagram |
|---|---|---|---|---|---|
| Mercury 2-STROKE-CARB | 30-jet | 0C159200 THRU 0G589999 | 5, 9 | 1 | View |
| Mercury 2-STROKE-CARB | 30-jet | 9570790 THRU 0G589999 | 5, 9 | 1 | View |
| Mercury 2-STROKE-CARB | 40-400-4-cyl | 0C159200 THRU 0G589999 | 5, 9 | 1 | View |
| Mercury 2-STROKE-CARB | 40-400-4-cyl | 9570790 THRU 0G589999 | 5, 9 | 1 | View |
| Mercury 2-STROKE-CARB | 40-400-4-cyl | ARCHIVE CAT 29937 | 5, 9 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 0A719281 THRU 0A745944 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 0B110789 THRU 0B370271 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 5531630 THRU 0B110788 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 7143688 THRU 0A719280 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 8063985 THRU 0B110788 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 9248006 THRU 9466691 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 9466692 THRU 09522535 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | 5531630 THRU 0B110788 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | 7143688 THRU 0A719280 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | 8063985 THRU 0B110788 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | 9248006 THRU 9466691 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | ARCHIVE CAT 36180 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | ARCHIVE CAT 38691 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | ARCHIVE CAT 38883 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | ARCHIVE CAT 46389 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | ARCHIVE CAT 48425 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | ARCHIVE CAT 56972 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | ARCHIVE CAT 71732 | 5 | 1 | View |
| Mercury 2-STROKE-CARB | 50-500-4-cyl | ARCHIVE CAT 74962 | 5 | 1 | View |
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