Mercury outboard spare part 8M0000578 (SCREW Adjustment). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 40 HP EFI 4 CYL, 50 HP EFI 4 CYL, 60 HP EFI 4 CYL, 40 HP EFI Jet 4 CYL, 40 HP EFI 3 CYL, 40 HP EFI SeaPro 4 CYL, 60 HP 1.0L EFI L4 APX, 60 HP EFI SeaPro 4 CYL, 60R HP EFI Racing, Formula 60. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0000578 (SCREW Adjustment), documented in 29 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C456300 UP141View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P153500 THRU 0P400999141View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P401000 THRU 0P515896141View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P515897 THRU 0P580772141View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0T409000 THRU 1B355222141View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C000001 THRU 1C050251141View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C050252 THRU 1C453839141View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C453840 UP141View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C051324 THRU 1C453839141View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C453840 UP141View
Mercury 4-STROKE-EFI40-hp-efi-seapro-4-cyl1C453840 UP141View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P153500 THRU 0P400999141View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P401000 THRU 0P515896141View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P515897 THRU 0P580772141View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0T409000 THRU 1B355222141View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C000001 THRU 1C050251141View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C050252 THRU 1C453839141View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C453840 UP141View
Mercury 4-STROKE-EFI60-hp-1-0l-efi-l4-apx1C782688 UP141View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P153500 THRU 0P400999141View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P401000 THRU 0P515896141View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P515897 THRU 0P580772141View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0T409000 THRU 1B355222141View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C000001 THRU 1C050251141View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C050252 THRU 1C453839141View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C453840 UP141View
Mercury 4-STROKE-EFI60-hp-efi-seapro-4-cyl1C453840 UP141View
Mercury 4-STROKE-EFI60r-hp-efi-racing1C615064 UP141View
Mercury 4-STROKE-EFIformula-601C104574 THRU 1C782687141View

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Appears in diagrams of these models

  • 40 HP EFI 4 CYL
  • 50 HP EFI 4 CYL
  • 60 HP EFI 4 CYL
  • 40 HP EFI Jet 4 CYL
  • 40 HP EFI 3 CYL
  • 40 HP EFI SeaPro 4 CYL
  • 60 HP 1.0L EFI L4 APX
  • 60 HP EFI SeaPro 4 CYL
  • 60R HP EFI Racing
  • Formula 60