Mercury outboard spare part 803513007 (O-RING). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 40 HP EFI 3 CYL, 30 HP EFI 3 CYL, 25 HP EFI 3 CYL, 25 HP EFI Jet 3 CYL, 2 HP Carb, 2.5 HP Carb, 3.5 HP Carb JCI, 3.5 HP Carb, 8 HP Carb (209cc), 10 HP EFI 2 CYL (333cc), 15 HP EFI 2 CYL (333cc), 15 HP EFI SeaPro 2 CYL (333cc), 20 HP EFI 2 CYL (333cc), 6 HP EFI 2CYL (209cc), 8 HP EFI 2 CYL (209cc), 9.9 HP EFI 2 CYL (209cc), 9.9 HP EFI ProKicker 2 CYL (209cc), 9.9 HP EFI ProKicker 2 CYL (333cc), 25 HP EFI SeaPro 3 CYL, 35 HP EFI Jet 4 CYL. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 803513007 (O-RING), documented in 33 exploded diagram location(s), across the 4-STROKE-CARB, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-CARB2-5-hp-carb0R131842 UP141View
Mercury 4-STROKE-CARB2-hp-carb0R131842 THRU 0R504789141View
Mercury 4-STROKE-CARB3-5-hp-carb0R131842 UP141View
Mercury 4-STROKE-CARB3-5-hp-carb-jci0R568285 UP141View
Mercury 4-STROKE-CARB8-hp-carb-209cc0P325500 THRU 1R279944101View
Mercury 4-STROKE-CARB8-hp-carb-209cc0R042475 THRU 1R279944101View
Mercury 4-STROKE-EFI10-hp-efi-2-cyl-333cc0R833820 UP-, 321View
Mercury 4-STROKE-EFI15-hp-efi-2-cyl-333cc0R833820 UP-, 321View
Mercury 4-STROKE-EFI15-hp-efi-seapro-2-cyl-333cc0R833820 UP-, 321View
Mercury 4-STROKE-EFI20-hp-efi-2-cyl-333cc0R833820 UP-, 321View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl0R106999 THRU 1R162636-, 321View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl1R154758 UP321View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl0R165086 THRU 1R162636-, 321View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl1R154758 UP321View
Mercury 4-STROKE-EFI25-hp-efi-seapro-3-cyl1R154758 UP321View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0P153500 THRU 0P400999-, 321View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0R106999 THRU 1R162636-, 321View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0T409000 THRU 1B226999-, 321View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C109093 THRU 1C456299-, 321View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C456300 UP-, 321View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1R154758 UP321View
Mercury 4-STROKE-EFI35-hp-efi-jet-4-cyl1C453840 UP321View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0P153500 THRU 0P400999-, 321View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0P401000 THRU 0P515896-, 321View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0T409000 THRU 1B226999-, 321View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1B227000 THRU 1B355027-, 321View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C000001 THRU 1C043416-, 321View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C043417 THRU 1C456299-, 321View
Mercury 4-STROKE-EFI6-hp-efi-2cyl-209cc1R363055 UP-, 321View
Mercury 4-STROKE-EFI8-hp-efi-2-cyl-209cc1R281445 UP-, 321View
Mercury 4-STROKE-EFI9-9-hp-efi-2-cyl-209cc1R281445 UP-, 321View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-209cc1R281445 UP-, 321View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-333cc1R008146 THRU 1R278792-, 321View

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Appears in diagrams of these models

  • 40 HP EFI 3 CYL
  • 30 HP EFI 3 CYL
  • 25 HP EFI 3 CYL
  • 25 HP EFI Jet 3 CYL
  • 2 HP Carb
  • 2.5 HP Carb
  • 3.5 HP Carb JCI
  • 3.5 HP Carb
  • 8 HP Carb (209cc)
  • 10 HP EFI 2 CYL (333cc)
  • 15 HP EFI 2 CYL (333cc)
  • 15 HP EFI SeaPro 2 CYL (333cc)
  • 20 HP EFI 2 CYL (333cc)
  • 6 HP EFI 2CYL (209cc)
  • 8 HP EFI 2 CYL (209cc)
  • 9.9 HP EFI 2 CYL (209cc)
  • 9.9 HP EFI ProKicker 2 CYL (209cc)
  • 9.9 HP EFI ProKicker 2 CYL (333cc)
  • 25 HP EFI SeaPro 3 CYL
  • 35 HP EFI Jet 4 CYL