Mercury outboard spare part 856815T2 (ARM TENSIONER ASSEMBLY). 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), 200 HP 6 CYL (3.0L), 175 HP V6 CYL (2.5L), 110 Jet (2.5L), 150 HP Pro XS 6 CYL (2.5L), 175 HP Pro XS 6 CYL (2.5L), 2.5XS (2.5L), 200 HP DTS 6 CYL (3.0L). Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 856815T2 (ARM TENSIONER ASSEMBLY), documented in 88 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 | 110-jet-2-5l | 1B690542 THRU 1B974227 | 16 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0G590000 THRU 0G760299 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0G760300 THRU 0G960499 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0G960500 THRU 0T178499 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0T178500 THRU 0T800999 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 0T801000 THRU 1B226999 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 1B227000 THRU 1B417701 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 135-hp-v6-cyl-2-5l | 1B417702 THRU 1B737495 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 150-hp-pro-xs-6-cyl-2-5l | 1B690542 THRU 2B535572 | 16 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 150-hp-v6-cyl-2-5l | 0G590000 THRU 0G760299 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-pro-xs-6-cyl-2-5l | 1B516339 THRU 2B535624 | 16 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 0T178500 THRU 0T800999 | 16 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 0T801000 THRU 1B226999 | 16 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 1B227000 THRU 1B417701 | 16 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 1B417702 THRU 1B508457 | 16 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 2-5xs-2-5l | 0T997974 THRU 1E000796 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0G590000 THRU 0G760299 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0G760300 THRU 0G960499 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0G960500 THRU 0T178499 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0T801000 THRU 1B417701 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B417702 THRU 1B504988 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B504989 THRU 1B912785 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B912786 THRU 2B535571 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 0T980000 THRU 1B417701 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 1B417702 THRU 1B504988 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 1B504989 THRU 1B964735 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-pro-xs-6-cyl-3-0l | 1B504989 THRU 1B912785 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-pro-xs-6-cyl-3-0l | 1B912786 THRU 2B535571 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l | 0T235000 THRU 0T818180 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l | 0T818181 THRU 1E000796 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l | 1E000797 THRU 1E002110 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l-ros | 1E050852 THRU 1E053876 | 16 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-sst-6-cyl-2-5l | 1E050629 THRU 1E053875 | 16 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0G590000 THRU 0G760299 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0G760300 THRU 0G960499 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0G960500 THRU 0T178499 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0T801000 THRU 1B417701 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 1B417702 THRU 1B504988 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 1B504989 THRU 2B535086 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-dts-6-cyl-3-0l | 0T599000 THRU 1B417701 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-dts-6-cyl-3-0l | 1B417702 THRU 1B504988 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-dts-6-cyl-3-0l | 1B504989 THRU 1B964735 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-pro-xs-6-cyl-3-0l | 1B104549 THRU 1B426560 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-pro-xs-6-cyl-3-0l | 1B426561 THRU 1B752546 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-pro-xs-6-cyl-3-0l | 1B752547 THRU 2B535608 | 37 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-sport-xs-6-cyl-2-5l | 1E002584 THRU 1E050825 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-sport-xs-6-cyl-3-0l | 1E000797 THRU 1E002583 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-xs-6-cyl-2-5l | 1E002584 THRU 1B792195 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-6-cyl-3-0l | 1B528615 THRU 2B535086 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-pro-xs-6-cyl-3-0l | 1B426561 THRU 1B752546 | 4 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-sport-xs-6-cyl-2-5l | 1E002342 THRU 1E051823 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-sport-xs-6-cyl-2-5l | 1E051824 THRU 1E052994 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 0T651945 THRU 0T818042 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 0T818043 THRU 0T997973 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 0T997974 THRU 1E000796 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 1E000797 THRU 1E002341 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 1E002342 THRU 1E051113 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 1E053158 THRU 1E053958 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 3-0l-dsi-diesel-spark-ignition | 1E052967 THRU 1E054191 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 300-hp-xs-6-cyl-3-2l | 1E001867 THRU 1E052057 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 300-hp-xs-6-cyl-3-2l | 1E052058 THRU 1E053987 | 3 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | jp-3-0l | 0T997974 THRU 1E003045 | 4 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | jp-3-0l | 1E003046 THRU 1E052824 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 0T750164 THRU 0T800999 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 0T801000 THRU 1B417701 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 1B417702 THRU 1B504988 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 1B504989 THRU 2B528096 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 0T409000 THRU 0T800999 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 0T801000 THRU 1B417701 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 1B417702 THRU 1B504988 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 1B504989 THRU 2B528096 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l-marathon | 0T801000 THRU 1B417701 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l-seapro | 0T801000 THRU 1B417701 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 225x-efi-promax | 0T430254 THRU 0T819605 | 16 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 0T409000 THRU 0T800999 | 16 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 0T801000 THRU 1B417701 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 1B417702 THRU 1B504988 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 1B504989 THRU 2B528096 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 250-l-3-0l | 0T861319 THRU 1B118897 | 3 | 1 | View |
| Mercury 2-STROKE-EFI | 3-0l-marathon | 0T409000 THRU 0T800999 | 3 | 1 | View |
Another 8 location(s) are recorded but not listed here. Use the model links above to open the matching diagram.
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