Mercury outboard spare part 8M0128320 (GEAR HOUSING ASSEMBLY Complete). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

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

Part Specifications and Installation Reference

Mercury outboard part 8M0128320 (GEAR HOUSING ASSEMBLY Complete), documented in 25 exploded diagram location(s), across the 4-STROKE-CARB, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-CARB5-hp-carb-jci0R560794 UP-1View
Mercury 4-STROKE-CARB6-hp-carb0P073456 THRU 0P400999-1View
Mercury 4-STROKE-CARB6-hp-carb0P401000 THRU 0R411837-1View
Mercury 4-STROKE-CARB6-hp-carb0R000001 THRU 0R067089-1View
Mercury 4-STROKE-CARB6-hp-carb0R067090 THRU 0R411837-1View
Mercury 4-STROKE-CARB6-hp-carb0R411838 UP-1View
Mercury 4-STROKE-CARB8-hp-carb-209cc0P325500 THRU 1R279944-1View
Mercury 4-STROKE-CARB8-hp-carb-209cc0R042475 THRU 1R279944-1View
Mercury 4-STROKE-EFI10-hp-efi-2-cyl-333cc0R833820 UP-1View
Mercury 4-STROKE-EFI10-hp-efi-2-cyl-333cc0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI15-hp-efi-2-cyl-333cc0R833820 UP-1View
Mercury 4-STROKE-EFI15-hp-efi-2-cyl-333cc0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI15-hp-efi-seapro-2-cyl-333cc0R833820 UP-1View
Mercury 4-STROKE-EFI15-hp-efi-seapro-2-cyl-333cc0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI20-hp-efi-2-cyl-333cc0R833820 UP-1View
Mercury 4-STROKE-EFI20-hp-efi-2-cyl-333cc0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI25-hp-efi-seapro-3-cyl0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI35-hp-efi-jet-4-cyl0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI5-hp-propane0R936270 THRU 1R280495-1View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-333cc1R008146 THRU 1R278792-1View

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Appears in diagrams of these models

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