Mercury outboard spare part 78473 (INDICATOR TOOL Backlash Gear Housing). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 40 HP EFI 4 CYL, 50 HP EFI 4 CYL, 60 HP EFI 4 CYL, 40 HP EFI Jet 4 CYL, 40 HP EFI SeaPro 4 CYL, 60 HP EFI SeaPro 4 CYL, 60R HP EFI Racing. Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 78473 (INDICATOR TOOL Backlash Gear Housing), documented in 83 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI, 4-STROKE-CARB, 4-STROKE-EFI, FORCE series.
| Series | Model | Serial range | REF | Qty | Diagram |
|---|---|---|---|---|---|
| Mercury 2-STROKE-CARB | 110-jet-2-5l | 1B690542 THRU 1B974227 | - | 1 | View |
| Mercury 2-STROKE-CARB | 125-4-cyl | 0P325500 THRU 0P340986 | - | 1 | View |
| Mercury 2-STROKE-CARB | 125-4-cyl | 0T980000 THRU 1B214144 | - | 1 | View |
| Mercury 2-STROKE-CARB | 125-4-cyl | 1B000001 THRU 1B358950 | - | 1 | View |
| Mercury 2-STROKE-CARB | 60-3-cyl-bigfoot | 0G590000 THRU 0G760299 | - | 1 | View |
| Mercury 2-STROKE-CARB | 60-3-cyl-bigfoot | 9973100 THRU 0P016999 | - | 1 | View |
| Mercury 2-STROKE-CARB | 65-jet | 0G760300 THRU 0T979999 | - | 1 | View |
| Mercury 2-STROKE-CARB | 65-jet | 0P017000 THRU 0P325499 | - | 1 | View |
| Mercury 2-STROKE-CARB | 65-jet-3-cyl | 0T980000 THRU 1B214111 | - | 1 | View |
| Mercury 2-STROKE-CARB | 65-jet-3-cyl | 1B000001 THRU 2B535625 | - | 1 | View |
| Mercury 2-STROKE-CARB | 80-jet | 0T980000 THRU 1B214144 | - | 1 | View |
| Mercury 2-STROKE-CARB | 80-jet | 1B000001 THRU 1B358950 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-pro-xs-6-cyl-2-5l | 1B516339 THRU 2B535624 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 0T178500 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 0T801000 THRU 1B226999 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 1B227000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0T178500 THRU 0T598999 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0T599000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B417702 THRU 1B504988 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 0T980000 THRU 1B417701 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 1B417702 THRU 1B504988 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0T178500 THRU 0T598999 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0T599000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 1B417702 THRU 1B504988 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-dts-6-cyl-3-0l | 1B417702 THRU 1B504988 | - | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 0T750164 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 0T801000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 1B417702 THRU 1B504988 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 1B504989 THRU 2B528096 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 0T801000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 1B417702 THRU 1B504988 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 1B504989 THRU 2B528096 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l-marathon | 0T801000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l-seapro | 0T801000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 0T801000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 1B417702 THRU 1B504988 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 1B504989 THRU 2B528096 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 250-l-3-0l | 0T861319 THRU 1B118897 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 3-0l-marathon | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 3-0l-seapro | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | v-150-hp-2-5l | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | v-150-hp-2-5l | 0T801000 THRU 1B226999 | - | 1 | View |
| Mercury 2-STROKE-EFI | v-150-hp-2-5l | 1B227000 THRU 2B121048 | - | 1 | View |
| Mercury 2-STROKE-EFI | v-175-efi-2-5l | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | v-200-2-5l | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | v-200-2-5l | 0T801000 THRU 1B226999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | v-200-2-5l | 1B227000 THRU 2B121048 | 0 | 1 | View |
| Mercury 4-STROKE-CARB | 30-hp-carb-3-cyl | 0P153500 THRU 0P400999 | 56 | — | View |
| Mercury 4-STROKE-CARB | 30-hp-carb-3-cyl | 0T409000 THRU 1B226999 | 56 | — | View |
| Mercury 4-STROKE-CARB | 40-hp-carb-3-cyl | 0P153500 THRU 0P400999 | 56 | — | View |
| Mercury 4-STROKE-CARB | 40-hp-carb-3-cyl | 0P401000 THRU 1B344306 | 56 | — | View |
| Mercury 4-STROKE-CARB | 40-hp-carb-3-cyl | 0T409000 THRU 1B226999 | 56 | — | View |
| Mercury 4-STROKE-CARB | 40-hp-carb-3-cyl | 1B227000 THRU 1B344306 | 56 | — | View |
| Mercury 4-STROKE-CARB | 40-hp-carb-3-cyl | 1C000001 THRU 1C018825 | 56 | — | View |
| Mercury 4-STROKE-CARB | 40-hp-carb-3-cyl | 1C018826 THRU 1C739634 | 56 | — | View |
| Mercury 4-STROKE-EFI | 115-hp-efi | 0T178500 THRU 0T800999 | 54 | 1 | View |
| Mercury 4-STROKE-EFI | 115-hp-efi | 0T801000 THRU 1B226999 | 54 | 1 | View |
| Mercury 4-STROKE-EFI | 115-hp-efi | 1B227000 THRU 1B366822 | 54 | 1 | View |
| Mercury 4-STROKE-EFI | 115-hp-efi | 1B366823 THRU 2B094995 | 54 | 1 | View |
| Mercury 4-STROKE-EFI | 115-hp-efi | 2B095049 UP | 54 | 1 | View |
| Mercury 4-STROKE-EFI | 30-hp-efi-3-cyl | 0P153500 THRU 0P400999 | - | 1 | View |
| Mercury 4-STROKE-EFI | 30-hp-efi-3-cyl | 0T409000 THRU 1B226999 | - | 1 | View |
| Mercury 4-STROKE-EFI | 30-hp-efi-3-cyl | 1C109093 THRU 1C456299 | - | 1 | View |
| Mercury 4-STROKE-EFI | 30-hp-efi-3-cyl | 1C456300 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 40-hp-efi-3-cyl | 0P153500 THRU 0P400999 | - | 1 | View |
| Mercury 4-STROKE-EFI | 40-hp-efi-3-cyl | 0P401000 THRU 0P515896 | - | 1 | View |
| Mercury 4-STROKE-EFI | 40-hp-efi-3-cyl | 0T409000 THRU 1B226999 | - | 1 | View |
| Mercury 4-STROKE-EFI | 40-hp-efi-3-cyl | 1B227000 THRU 1B355027 | - | 1 | View |
| Mercury 4-STROKE-EFI | 40-hp-efi-3-cyl | 1C000001 THRU 1C043416 | - | 1 | View |
| Mercury 4-STROKE-EFI | 40-hp-efi-4-cyl | 0P401000 THRU 0P515896 | - | 1 | View |
| Mercury 4-STROKE-EFI | 40-hp-efi-4-cyl | 0T409000 THRU 1B355222 | - | 1 | View |
| Mercury 4-STROKE-EFI | 40-hp-efi-4-cyl | 1C000001 THRU 1C050251 | - | 1 | View |
| Mercury 4-STROKE-EFI | 50-hp-efi-4-cyl | 0P401000 THRU 0P515896 | - | 1 | View |
| Mercury 4-STROKE-EFI | 50-hp-efi-4-cyl | 1C000001 THRU 1C050251 | - | 1 | View |
| Mercury 4-STROKE-EFI | 60-hp-efi-4-cyl | 0P401000 THRU 0P515896 | - | 1 | View |
| Mercury 4-STROKE-EFI | 60-hp-efi-4-cyl | 1C000001 THRU 1C050251 | - | 1 | View |
| Mercury 4-STROKE-EFI | 60r-hp-efi-racing | 1C615064 UP | - | 1 | View |
| Mercury FORCE | 75-h-p-1999 | 0E345000 THRU 0E369299 | - | 1 | View |
Another 3 location(s) are recorded but not listed here. Use the model links above to open the matching diagram.
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