Mercury outboard spare part 804840 (O-RING KIT). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 200 HP 6 CYL (3.0L), 175 HP V6 CYL (2.5L), 225 HP 6 CYL (3.0L), 115 HP 3 CYL (1.5L), 250 HP XS 6 CYL (3.0L), 200 HP DTS 6 CYL (3.0L), 200 HP Pro XS 6 CYL (3.0L), 225 HP DTS 6 CYL (3.0L), 110 Jet (2.5L), 175 HP Pro XS 6 CYL (2.5L), 2.5XS (2.5L), 200 HP XS 6 CYL (2.5L) ROS, 200 HP XS SST 6 CYL (2.5L), 225 HP Pro XS 6 CYL (3.0L), 250 HP 6 CYL (3.0L), 250 HP Pro XS 6 CYL (3.0L), 115 HP Pro XS 3 CYL (1.5L), 115 HP V6 CYL (2.5L), 125 HP 3 CYL (1.5L), 150 HP Pro XS 6 CYL (2.5L), 225 HP Sport XS 6 CYL (3.0L). Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 804840 (O-RING KIT), documented in 59 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 | 6, 9 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 115-hp-3-cyl-1-5l | 0T801000 THRU 1B226999 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 115-hp-3-cyl-1-5l | 1B227000 THRU 1B417701 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 115-hp-3-cyl-1-5l | 1B417702 THRU 1B736885 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 115-hp-3-cyl-1-5l | 1B736885 THRU 2B018763 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 115-hp-pro-xs-3-cyl-1-5l | 1B751825 THRU 2B123429 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 115-hp-v6-cyl-2-5l | 0G960500 THRU 0T178499 | 13 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 125-hp-3-cyl-1-5l | 1B736885 THRU 2B112787 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 150-hp-pro-xs-6-cyl-2-5l | 1B690542 THRU 2B535572 | 13 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-pro-xs-6-cyl-2-5l | 1B516339 THRU 2B535624 | 6, 9 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 0T178500 THRU 0T800999 | 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 0T801000 THRU 1B226999 | 6, 9 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 1B227000 THRU 1B417701 | 6, 9 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 175-hp-v6-cyl-2-5l | 1B417702 THRU 1B508457 | 6, 9 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 2-5xs-2-5l | 0T997974 THRU 1E000796 | 15, 9 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0G590000 THRU 0G760299 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0G760300 THRU 0G960499 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0G960500 THRU 0T178499 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0T801000 THRU 1B417701 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B417702 THRU 1B504988 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B504989 THRU 1B912785 | 15, 6, NS | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B912786 THRU 2B535571 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 0T980000 THRU 1B417701 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 1B417702 THRU 1B504988 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 1B504989 THRU 1B964735 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-pro-xs-6-cyl-3-0l | 1B504989 THRU 1B912785 | 15, 6, NS | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-pro-xs-6-cyl-3-0l | 1B912786 THRU 2B535571 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-6-cyl-2-5l-ros | 1E050852 THRU 1E053876 | 6, 9 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-xs-sst-6-cyl-2-5l | 1E050629 THRU 1E053875 | 6, 9 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0G590000 THRU 0G760299 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0G760300 THRU 0G960499 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0G960500 THRU 0T178499 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0T801000 THRU 1B417701 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 1B417702 THRU 1B504988 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 1B504989 THRU 2B535086 | 15, 6, NS | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-dts-6-cyl-3-0l | 0T599000 THRU 1B417701 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-dts-6-cyl-3-0l | 1B417702 THRU 1B504988 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-dts-6-cyl-3-0l | 1B504989 THRU 1B964735 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-sport-xs-6-cyl-3-0l | 1E000797 THRU 1E002583 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-6-cyl-3-0l | 1B528615 THRU 2B535086 | 15, 6, NS | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-pro-xs-6-cyl-3-0l | 1B426561 THRU 1B752546 | 6, NS | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-pro-xs-6-cyl-3-0l | 1B752547 THRU 2B535608 | 6, NS | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 0T651945 THRU 0T818042 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 0T818043 THRU 0T997973 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 0T997974 THRU 1E000796 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-xs-6-cyl-3-0l | 1E000797 THRU 1E002341 | 15 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 75-hp-3-cyl-1-5l | 0T980000 THRU 1B226999 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 75-hp-3-cyl-1-5l | 1B227000 THRU 1B417701 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 75-hp-3-cyl-1-5l | 1B417702 THRU 1B736885 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 75-hp-3-cyl-1-5l | 1B736885 THRU 2B112577 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 80-hp-jet-3-cyl-1-5l | 1B586067 THRU 1B736885 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 80-hp-jet-3-cyl-1-5l | 1B736885 THRU 2B111840 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 90-hp-3-cyl-1-5l | 0T801000 THRU 1B226999 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 90-hp-3-cyl-1-5l | 1B227000 THRU 1B417701 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 90-hp-3-cyl-1-5l | 1B417702 THRU 1B736885 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 90-hp-3-cyl-1-5l | 1B736885 THRU 1B974258 | 15, 22, 6 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | jp-3-0l | 0T997974 THRU 1E003045 | 6, NS | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | jp-3-0l | 1E003046 THRU 1E052824 | 15 | 1 | View |
| Mercury 2-STROKE-EFI | 300x-3-0l-pro-max | 0T235084 THRU 0T429939 | 6, NS | 1 | View |
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