Mercury outboard spare part 99638A1 (GUIDE ASSEMBLY). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 50 3 CYL, 60 3 CYL, 75 3 CYL, 45 JET, 80 3 CYL, 45, 450 4 CYL, 75 4 CYL, 35 2 CYL, 50MH, 70 3 CYL. Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 99638A1 (GUIDE ASSEMBLY), documented in 91 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 | 100-4-cyl | 0A722297 THRU 0D283221 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0C100000 THRU 0D283221 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0D283222 THRU 0G760299 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0G760300 THRU 0T979999 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0P017000 THRU 0P325499 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0P325500 THRU 0P340986 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 0T980000 THRU 1B214144 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 1B000001 THRU 1B358950 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 9559771 THRU 9793576 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | 115-4-cyl | 9793577 THRU 0P016999 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | 140-jet | 0G303046 THRU 0G760299 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | 140-jet | 0G760300 THRU 0G960499 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | 140-jet | 0G960500 THRU 0T178499 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | 225-3-0l | 0G760300 THRU 0T408999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 225-marathon-3-0l | 0G760300 THRU 0T408999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 225-seapro-3-0l | 0G760300 THRU 0T408999 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | 35-2-cyl | 0B110789 THRU 0B458383 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | 35-2-cyl | 9466647 THRU 0C214735 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | 45-450-4-cyl | 0A719281 THRU 0A745944 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | 50-3-cyl | 0A721308 THRU 0B240466 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | 50mh | 0N051023 THRU 0N056164 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | 60-3-cyl | 0A721308 THRU 0B240466 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | 75-3-cyl | 0A996142 THRU 0B240450 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | 75-4-cyl | 6432901 THRU 09854990 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | 80-3-cyl | 0A996142 THRU 0B240450 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | 90-3-cyl | 0A996142 THRU 0B240450 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-135 | 0C100861 THRU 0C239552 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-135 | 0C239553 THRU 0D081999 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-135 | 0D082000 THRU 0G303045 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-135 | 0G303046 THRU 0G760299 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-135 | 0G760300 THRU 0G960499 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-135 | 0G960500 THRU 0T178499 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-150-magnum | 5600162 THRU 0A904645 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-150-marathon | 5600162 THRU 0A904645 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-150-work | 4868998 THRU 0A904645 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-150-xr-2 | 4868998 THRU 0A904645 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-1500 | 4868998 THRU 0A904645 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-175 | 0C100861 THRU 0C239552 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-175 | 0C239553 THRU 0D081999 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-175 | 0D082000 THRU 0G303045 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-175 | 0G303046 THRU 0G760299 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-175 | 0G760300 THRU 0G960499 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-175 | 4301235 THRU 0C100860 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-175 | 8058870 THRU 0B384939 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-175-ski | 0D082000 THRU 0G303045 | 9 | 2 | View |
| Mercury 2-STROKE-CARB | v-200 | 0C100861 THRU 0C291519 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | v-200-2-5l-1991-only | 0C291520 THRU 0D081999 | 7, 9 | 2 | View |
| Mercury 2-STROKE-CARB | xr-4-magnum-ii | 0B242885 THRU 0C100860 | 7 | 2 | View |
| Mercury 2-STROKE-CARB | xr-6-magnum-iii | 0G303046 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | xr-6-magnum-iii | 0G760300 THRU 0G960499 | 8 | 2 | View |
| Mercury 2-STROKE-CARB | xr-6-magnum-iii | 0G960500 THRU 1B226999 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 115-hp-v6-cyl-2-5l | 0G960500 THRU 0T178499 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0G590000 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0G760300 THRU 0G960499 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0G960500 THRU 0T178499 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0T178500 THRU 0T800999 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0T801000 THRU 1B226999 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 1B227000 THRU 1B417701 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 1B417702 THRU 1B737495 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 150-hp-pro-xs-6-cyl-2-5l | 1B690542 THRU 2B535572 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 150-hp-v6-cyl-2-5l | 0G590000 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0G386496 THRU 0G589999 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0T599000 THRU 0T800999 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l | 0T235000 THRU 0T818180 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0T599000 THRU 0T800999 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-pro-xs-6-cyl-3-0l | 1B104549 THRU 1B426560 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-pro-xs-6-cyl-3-0l | 1B426561 THRU 1B752546 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-pro-xs-6-cyl-3-0l | 1B752547 THRU 2B535608 | 8 | 2 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | jp-3-0l | 1E003046 THRU 1E052824 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | 150-200-hp-pro-max-super-mag | 0G610050 THRU 0G856999 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | 200-efi-pro-max-super-mag | 0G857000 THRU 0G858150 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 0G129222 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 0T409000 THRU 0T800999 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | 225-efi-pro-max-super-mag | 0G610104 THRU 0G856999 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | 225-efi-pro-max-super-mag | 0G857000 THRU 0T429939 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | 225-efi-pro-max-super-mag | ARCHIVE CAT 80918495 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | 300x-3-0l-pro-max | 0T429940 THRU 0T999587 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | v-150-hp | 0G303046 THRU 0G760299 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | v-150-hp | 0G760300 THRU 0G960499 | 8 | 2 | View |
| Mercury 2-STROKE-EFI | v-150-hp-2-5l | 0T409000 THRU 0T800999 | 8 | 2 | View |
Another 11 location(s) are recorded but not listed here. Use the model links above to open the matching diagram.
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