Mercury outboard spare part 8M0051383 (NUT). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 30 HP EFI 3 CYL, 8 HP Carb (209cc), 9.9 HP Carb (209cc), 25 HP EFI Jet 3 CYL, 25 HP EFI 3 CYL, 10 HP Carb 2 CYL, 15 HP Carb 2 CYL JCI, 15 HP Carb 2 CYL, 20 HP Carb 2 CYL, 10 HP EFI 2 CYL (333cc), 25 HP EFI SeaPro 3 CYL, 25 2 CYL (International), 40 (International), 9.9 2 CYL (International), 2 HP Carb, 2.5 HP Carb, 3.5 HP Carb JCI, 3.5 HP Carb, 4 HP Carb, 5 HP Carb JCI, 5 HP Carb, 6 HP Carb, 15 HP EFI 2 CYL (333cc), 15 HP EFI SeaPro 2 CYL (333cc), 20 HP EFI 2 CYL (333cc), 35 HP EFI Jet 4 CYL, 40 HP EFI 3 CYL. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0051383 (NUT), documented in 53 exploded diagram location(s), across the 2-STROKE-CARB, 4-STROKE-CARB, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB25-2-cyl-international0N055505 UP281View
Mercury 2-STROKE-CARB40-international0N056165 UP381View
Mercury 2-STROKE-CARB9-9-2-cyl-international0N059858 UP401View
Mercury 4-STROKE-CARB10-hp-carb-2-cyl0R575531 THRU 0R83381922, 351View
Mercury 4-STROKE-CARB15-hp-carb-2-cyl0R235949 THRU 0R83381922, 351View
Mercury 4-STROKE-CARB15-hp-carb-2-cyl-jci0R558208 THRU 0R83381922, 351View
Mercury 4-STROKE-CARB2-5-hp-carb0R131842 UP91View
Mercury 4-STROKE-CARB2-hp-carb0R131842 THRU 0R50478991View
Mercury 4-STROKE-CARB20-hp-carb-2-cyl0R235168 THRU 0R83381922, 351View
Mercury 4-STROKE-CARB3-5-hp-carb0R131842 UP91View
Mercury 4-STROKE-CARB3-5-hp-carb-jci0R568285 UP91View
Mercury 4-STROKE-CARB4-hp-carb0R411838 UP421View
Mercury 4-STROKE-CARB5-hp-carb0R411838 UP421View
Mercury 4-STROKE-CARB5-hp-carb-jci0R560794 UP421View
Mercury 4-STROKE-CARB6-hp-carb0R411838 UP421View
Mercury 4-STROKE-EFI10-hp-efi-2-cyl-333cc0R833820 UP151View
Mercury 4-STROKE-EFI10-hp-efi-2-cyl-333cc0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI15-hp-efi-2-cyl-333cc0R833820 UP151View
Mercury 4-STROKE-EFI15-hp-efi-2-cyl-333cc0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI15-hp-efi-seapro-2-cyl-333cc0R833820 UP151View
Mercury 4-STROKE-EFI15-hp-efi-seapro-2-cyl-333cc0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI20-hp-efi-2-cyl-333cc0R833820 UP151View
Mercury 4-STROKE-EFI20-hp-efi-2-cyl-333cc0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl0R106999 THRU 1R16263615, 22, 351View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl1R154758 UP151View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl0R165086 THRU 1R16263615, 22, 351View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl1R154758 UP151View
Mercury 4-STROKE-EFI25-hp-efi-seapro-3-cyl0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI25-hp-efi-seapro-3-cyl1R154758 UP151View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0P153500 THRU 0P400999151View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0R106999 THRU 1R16263615, 22, 351View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0T409000 THRU 1B226999151View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C109093 THRU 1C456299151View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C456300 UP151View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1R154758 UP151View
Mercury 4-STROKE-EFI35-hp-efi-jet-4-cyl0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0P153500 THRU 0P400999151View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0P401000 THRU 0P515896151View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0T409000 THRU 1B226999151View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1B227000 THRU 1B355027151View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C000001 THRU 1C043416151View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C043417 THRU 1C456299151View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI5-hp-propane0R936270 THRU 1R28049591View
Mercury 4-STROKE-EFI6-hp-efi-2cyl-209cc1R363055 UP151View
Mercury 4-STROKE-EFI8-hp-efi-2-cyl-209cc1R281445 UP151View
Mercury 4-STROKE-EFI9-9-hp-efi-2-cyl-209cc1R281445 UP151View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-209cc1R281445 UP151View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-333cc1R008146 THRU 1R27879215, 91View

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Appears in diagrams of these models

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