Mercury outboard spare part 8M0161143 (CAP Key). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 115 HP EFI, 30 HP EFI 3 CYL, 100 HP EFI, 115 HP EFI SeaPro, 25 HP EFI 3 CYL, 25 HP EFI Jet 3 CYL, 25 HP EFI SeaPro 3 CYL, 35 HP EFI Jet 4 CYL, 40 HP EFI 3 CYL, 40 HP EFI 4 CYL, 40 HP EFI Jet 4 CYL, 40 HP EFI SeaPro 4 CYL, 50 HP EFI 4 CYL, 60 HP EFI 4 CYL, 60 HP EFI SeaPro 4 CYL, 65 HP EFI Jet, 75 HP EFI SeaPro, 75 HP EFI, 80 HP EFI Jet, 80 HP EFI, 90 HP EFI SeaPro, 90 HP EFI. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0161143 (CAP Key), documented in 22 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI100-hp-efi2B095049 UP81View
Mercury 4-STROKE-EFI115-hp-efi-seapro2B095049 UP81View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl1R154758 UP81View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl1R154758 UP81View
Mercury 4-STROKE-EFI25-hp-efi-seapro-3-cyl1R154758 UP81View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C456300 UP81View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1R154758 UP81View
Mercury 4-STROKE-EFI35-hp-efi-jet-4-cyl1C453840 UP81View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C456300 UP81View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C453840 UP81View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C453840 UP81View
Mercury 4-STROKE-EFI40-hp-efi-seapro-4-cyl1C453840 UP81View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C453840 UP81View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C453840 UP81View
Mercury 4-STROKE-EFI60-hp-efi-seapro-4-cyl1C453840 UP81View
Mercury 4-STROKE-EFI65-hp-efi-jet2B095049 UP81View
Mercury 4-STROKE-EFI75-hp-efi2B095049 UP81View
Mercury 4-STROKE-EFI75-hp-efi-seapro2B095049 UP81View
Mercury 4-STROKE-EFI80-hp-efi2B095049 UP81View
Mercury 4-STROKE-EFI80-hp-efi-jet2B095049 UP81View
Mercury 4-STROKE-EFI90-hp-efi2B095049 UP81View
Mercury 4-STROKE-EFI90-hp-efi-seapro2B095049 UP81View

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Appears in diagrams of these models

  • 115 HP EFI
  • 30 HP EFI 3 CYL
  • 100 HP EFI
  • 115 HP EFI SeaPro
  • 25 HP EFI 3 CYL
  • 25 HP EFI Jet 3 CYL
  • 25 HP EFI SeaPro 3 CYL
  • 35 HP EFI Jet 4 CYL
  • 40 HP EFI 3 CYL
  • 40 HP EFI 4 CYL
  • 40 HP EFI Jet 4 CYL
  • 40 HP EFI SeaPro 4 CYL
  • 50 HP EFI 4 CYL
  • 60 HP EFI 4 CYL
  • 60 HP EFI SeaPro 4 CYL
  • 65 HP EFI Jet
  • 75 HP EFI SeaPro
  • 75 HP EFI
  • 80 HP EFI Jet
  • 80 HP EFI
  • 90 HP EFI SeaPro
  • 90 HP EFI