Mercury outboard spare part 8M0078457 (UPPER MOUNT SET). 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, 10 HP EFI 2 CYL (333cc), 25 HP EFI 3 CYL, 25 HP EFI Jet 3 CYL, 25 HP EFI SeaPro 3 CYL, 35 HP EFI Jet 4 CYL, 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). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0078457 (UPPER MOUNT SET), documented in 24 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI10-hp-efi-2-cyl-333cc0R833820 UP32View
Mercury 4-STROKE-EFI15-hp-efi-2-cyl-333cc0R833820 UP32View
Mercury 4-STROKE-EFI15-hp-efi-seapro-2-cyl-333cc0R833820 UP32View
Mercury 4-STROKE-EFI20-hp-efi-2-cyl-333cc0R833820 UP32View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl1R154758 UP32View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl1R154758 UP32View
Mercury 4-STROKE-EFI25-hp-efi-seapro-3-cyl1R154758 UP32View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0P153500 THRU 0P40099932View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0T409000 THRU 1B22699932View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C109093 THRU 1C45629932View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C456300 UP32View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1R154758 UP32View
Mercury 4-STROKE-EFI35-hp-efi-jet-4-cyl1C453840 UP32View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0P153500 THRU 0P40099932View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0P401000 THRU 0P51589632View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0T409000 THRU 1B22699932View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1B227000 THRU 1B35502732View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C000001 THRU 1C04341632View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C043417 THRU 1C45629932View
Mercury 4-STROKE-EFI6-hp-efi-2cyl-209cc1R363055 UP32View
Mercury 4-STROKE-EFI8-hp-efi-2-cyl-209cc1R281445 UP32View
Mercury 4-STROKE-EFI9-9-hp-efi-2-cyl-209cc1R281445 UP32View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-209cc1R281445 UP32View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-333cc1R008146 THRU 1R27879232View

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Appears in diagrams of these models

  • 40 HP EFI 3 CYL
  • 30 HP EFI 3 CYL
  • 10 HP EFI 2 CYL (333cc)
  • 25 HP EFI 3 CYL
  • 25 HP EFI Jet 3 CYL
  • 25 HP EFI SeaPro 3 CYL
  • 35 HP EFI Jet 4 CYL
  • 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)