Mercury outboard spare part 804536 (O-RING). 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), 225 HP 6 CYL (3.0L). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 804536 (O-RING), documented in 59 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB110-jet-2-5l1B690542 THRU 1B974227232View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-3-cyl-1-5l0T801000 THRU 1B226999201View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-3-cyl-1-5l1B227000 THRU 1B417701201View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-3-cyl-1-5l1B417702 THRU 1B736885201View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-3-cyl-1-5l1B736885 THRU 2B018763201View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-pro-xs-3-cyl-1-5l1B751825 THRU 2B123429201View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-v6-cyl-2-5l0G960500 THRU 0T178499171View
Mercury 2-STROKE-DFI-OPTIMAX125-hp-3-cyl-1-5l1B736885 THRU 2B112787201View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-pro-xs-6-cyl-2-5l1B690542 THRU 2B535572171View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-pro-xs-6-cyl-2-5l1B516339 THRU 2B535624232View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T178500 THRU 0T800999231View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T801000 THRU 1B226999232View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l1B227000 THRU 1B417701232View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l1B417702 THRU 1B508457232View
Mercury 2-STROKE-DFI-OPTIMAX2-5xs-2-5l0T997974 THRU 1E000796191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G590000 THRU 0G760299191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G760300 THRU 0G96049912, 191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G960500 THRU 0T178499191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T801000 THRU 1B417701191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B417702 THRU 1B504988191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B504989 THRU 1B91278519, 211View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B912786 THRU 2B535571191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l0T980000 THRU 1B417701191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B417702 THRU 1B504988191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B504989 THRU 1B964735191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B504989 THRU 1B91278519, 211View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B912786 THRU 2B535571191View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l-ros1E050852 THRU 1E053876232View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-sst-6-cyl-2-5l1E050629 THRU 1E053875232View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G590000 THRU 0G760299191View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G760300 THRU 0G96049912, 191View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G960500 THRU 0T178499191View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T801000 THRU 1B417701191View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B417702 THRU 1B504988191View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B504989 THRU 2B53508619, 211View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l0T599000 THRU 1B417701191View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B417702 THRU 1B504988191View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B504989 THRU 1B964735191View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-3-0l1E000797 THRU 1E002583191View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-6-cyl-3-0l1B528615 THRU 2B53508619, 211View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-pro-xs-6-cyl-3-0l1B426561 THRU 1B752546211View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-pro-xs-6-cyl-3-0l1B752547 THRU 2B535608211View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T651945 THRU 0T818042191View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T818043 THRU 0T997973191View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T997974 THRU 1E000796191View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E000797 THRU 1E002341191View
Mercury 2-STROKE-DFI-OPTIMAX75-hp-3-cyl-1-5l0T980000 THRU 1B226999201View
Mercury 2-STROKE-DFI-OPTIMAX75-hp-3-cyl-1-5l1B227000 THRU 1B417701201View
Mercury 2-STROKE-DFI-OPTIMAX75-hp-3-cyl-1-5l1B417702 THRU 1B736885201View
Mercury 2-STROKE-DFI-OPTIMAX75-hp-3-cyl-1-5l1B736885 THRU 2B112577201View
Mercury 2-STROKE-DFI-OPTIMAX80-hp-jet-3-cyl-1-5l1B586067 THRU 1B736885201View
Mercury 2-STROKE-DFI-OPTIMAX80-hp-jet-3-cyl-1-5l1B736885 THRU 2B111840201View
Mercury 2-STROKE-DFI-OPTIMAX90-hp-3-cyl-1-5l0T801000 THRU 1B226999201View
Mercury 2-STROKE-DFI-OPTIMAX90-hp-3-cyl-1-5l1B227000 THRU 1B417701201View
Mercury 2-STROKE-DFI-OPTIMAX90-hp-3-cyl-1-5l1B417702 THRU 1B736885201View
Mercury 2-STROKE-DFI-OPTIMAX90-hp-3-cyl-1-5l1B736885 THRU 1B974258201View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l0T997974 THRU 1E003045211View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l1E003046 THRU 1E052824191View
Mercury 2-STROKE-EFI300x-3-0l-pro-max0T235084 THRU 0T429939211View

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Appears in diagrams of these models

  • 135 HP V6 CYL (2.5L)
  • 150 HP V6 CYL (2.5L)
  • 200 HP 6 CYL (3.0L)
  • 225 HP 6 CYL (3.0L)