Mercury outboard spare part 858266 (GUIDE). 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, 75 HP EFI, Formula 60. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 858266 (GUIDE), documented in 30 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C456300 UP26View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P153500 THRU 0P40099926View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P401000 THRU 0P51589628View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P515897 THRU 0P58077228View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0T409000 THRU 1B35522228View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C000001 THRU 1C05025128View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C050252 THRU 1C45383928View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C453840 UP28View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C051324 THRU 1C45383928View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C453840 UP28View
Mercury 4-STROKE-EFI40-hp-efi-seapro-4-cyl1C453840 UP28View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P153500 THRU 0P40099928View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P401000 THRU 0P51589628View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P515897 THRU 0P58077228View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0T409000 THRU 1B35522228View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C000001 THRU 1C05025128View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C050252 THRU 1C45383928View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C453840 UP28View
Mercury 4-STROKE-EFI60-hp-1-0l-efi-l4-apx1C782688 UP28View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P153500 THRU 0P40099928View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P401000 THRU 0P51589628View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P515897 THRU 0P58077228View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0T409000 THRU 1B35522228View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C000001 THRU 1C05025128View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C050252 THRU 1C45383928View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C453840 UP28View
Mercury 4-STROKE-EFI60-hp-efi-seapro-4-cyl1C453840 UP28View
Mercury 4-STROKE-EFI60r-hp-efi-racing1C615064 UP28View
Mercury 4-STROKE-EFI75-hp-efi1B172291 THRU 1B36682228View
Mercury 4-STROKE-EFIformula-601C104574 THRU 1C78268728View

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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
  • 75 HP EFI
  • Formula 60