Mercury outboard spare part 78689 (SCREW (.437-20 x 7.50)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 135 HP V6 CYL (2.5L), 150 HP V6 CYL (2.5L), V-200, 225 HP Pro XS 6 CYL (3.0L), 250 HP Pro XS 6 CYL (3.0L), 200 EFI PRO MAX/SUPER MAG, V-175XRI, V-200XRI. Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 78689 (SCREW (.437-20 x 7.50)), documented in 48 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 | v-140-international | 0T178500 THRU 1B226999 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-150 | 0C100861 THRU 0C239552 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-150 | 0C239553 THRU 0D081999 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-150 | 0D082000 THRU 0G303045 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-150 | 0G303046 THRU 0G760299 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-150 | 0G760300 THRU 0G960499 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-150 | 0G960500 THRU 1B226999 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-150 | 4868998 THRU 0A904645 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-150-magnum | 5600162 THRU 0A904645 | 26, 34 | 2 | View |
| Mercury 2-STROKE-CARB | v-150-marathon | 5600162 THRU 0A904645 | 26, 34 | 2 | View |
| Mercury 2-STROKE-CARB | v-150-work | 4868998 THRU 0A904645 | 26, 34 | 2 | View |
| Mercury 2-STROKE-CARB | v-150-xr-2 | 4868998 THRU 0A904645 | 26, 34 | 2 | View |
| Mercury 2-STROKE-CARB | v-1500 | 4868998 THRU 0A904645 | 26, 34 | 2 | View |
| Mercury 2-STROKE-CARB | v-175 | 0C100861 THRU 0C239552 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-200 | 0C100861 THRU 0C291519 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | xr-4-magnum-ii | 0B242885 THRU 0C100860 | 9 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0G760300 THRU 0G960499 | 21 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0G960500 THRU 0T178499 | 21 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0T178500 THRU 0T800999 | 21 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0T801000 THRU 1B226999 | 21 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 1B227000 THRU 1B417701 | 21 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 1B417702 THRU 1B737495 | 21 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 0T178500 THRU 0T800999 | 21 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 0T801000 THRU 1B226999 | 21 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 1B227000 THRU 1B417701 | 21 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 1B417702 THRU 1B508457 | 21 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l | 0T235000 THRU 0T818180 | 9 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l | 0T818181 THRU 1E000796 | 9 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l | 1E000797 THRU 1E002110 | 9 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-pro-xs-6-cyl-3-0l | 1B752547 THRU 2B535608 | 21 | 2 | View |
| Mercury 2-STROKE-EFI | 150-200-hp-pro-max-super-mag | 0G610050 THRU 0G856999 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 0T750164 THRU 0T800999 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | 225-efi-pro-max-super-mag | 0G610104 THRU 0G856999 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | 225-efi-pro-max-super-mag | 0G857000 THRU 0T429939 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | 225-efi-pro-max-super-mag | ARCHIVE CAT 80918495 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | 225x-efi-promax | 0T430254 THRU 0T819605 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | v-175-efi-2-5l | 0T409000 THRU 0T800999 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | v-175-hp | 0G303046 THRU 0G760299 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | v-175-hp | 0G760300 THRU 0G960499 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | v-175-hp | 0G960500 THRU 0T408999 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | v-175-magnum | 0D000750 THRU 0D081999 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | v-200 | 0G303046 THRU 0G760299 | 21 | 2 | View |
| Mercury 2-STROKE-EFI | v-200 | 0G760300 THRU 0G960499 | 21 | 2 | View |
| Mercury 2-STROKE-EFI | v-200 | 0G960500 THRU 0T408999 | 21 | 2 | View |
| Mercury 2-STROKE-EFI | v-200-2-5l | 0T409000 THRU 0T800999 | 9 | 2 | View |
| Mercury 2-STROKE-EFI | v-200-2-5l | 0T801000 THRU 1B226999 | 21 | 2 | View |
| Mercury 2-STROKE-EFI | v-200-2-5l | 1B227000 THRU 2B121048 | 21 | 2 | View |
| Mercury 2-STROKE-EFI | v-220-laser | 1B516994 THRU 2B091896 | 9 | 2 | View |
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