Mercury outboard spare part 858234 (WASHER). 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 JET, 55 3 CYL, 60 3 CYL, 40 HP Carb 3 CYL, 40 HP EFI 3 CYL, 45 JET, 60 3 CYL BIGFOOT, 40 HP Carb 4 CYL, 50 HP Carb 4 CYL, 60 HP Carb 4 CYL, 40 HP EFI Jet 4 CYL, 40 HP EFI SeaPro 4 CYL, 60 HP EFI SeaPro 4 CYL. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 858234 (WASHER), documented in 43 exploded diagram location(s), across the 2-STROKE-CARB, 4-STROKE-CARB, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB40-jet0P094500 THRU 0P325499292View
Mercury 2-STROKE-CARB40-jet0P325500 THRU 0P392690292View
Mercury 2-STROKE-CARB40-jet0T178500 THRU 0T979999292View
Mercury 2-STROKE-CARB40-jet0T980000 THRU 2B535834292View
Mercury 2-STROKE-CARB60-3-cyl-bigfoot0G760300 THRU 0T979999292View
Mercury 2-STROKE-CARB60-3-cyl-bigfoot0P017000 THRU 0P325499292View
Mercury 4-STROKE-CARB40-hp-carb-3-cyl0P401000 THRU 1B344306292View
Mercury 4-STROKE-CARB40-hp-carb-3-cyl1B227000 THRU 1B344306292View
Mercury 4-STROKE-CARB40-hp-carb-3-cyl1C000001 THRU 1C018825292View
Mercury 4-STROKE-CARB40-hp-carb-4-cyl0P094500 THRU 0P206999292View
Mercury 4-STROKE-CARB40-hp-carb-4-cyl0T178500 THRU 0T598999292View
Mercury 4-STROKE-CARB50-hp-carb-4-cyl0P094500 THRU 0P206999292View
Mercury 4-STROKE-CARB50-hp-carb-4-cyl0T178500 THRU 0T598999292View
Mercury 4-STROKE-CARB60-hp-carb-4-cyl0P094500 THRU 0P206999292View
Mercury 4-STROKE-CARB60-hp-carb-4-cyl0T178500 THRU 0T598999292View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0P401000 THRU 0P515896292View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1B227000 THRU 1B355027292View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C000001 THRU 1C043416292View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P153500 THRU 0P400999292View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P401000 THRU 0P515896292View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P515897 THRU 0P580772292View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0T409000 THRU 1B355222292View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C000001 THRU 1C050251292View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C050252 THRU 1C453839292View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C453840 UP292View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C051324 THRU 1C453839292View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C453840 UP292View
Mercury 4-STROKE-EFI40-hp-efi-seapro-4-cyl1C453840 UP292View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P153500 THRU 0P400999292View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P401000 THRU 0P515896292View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P515897 THRU 0P580772292View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0T409000 THRU 1B355222292View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C000001 THRU 1C050251292View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C050252 THRU 1C453839292View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C453840 UP292View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P153500 THRU 0P400999292View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P401000 THRU 0P515896292View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P515897 THRU 0P580772292View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0T409000 THRU 1B355222292View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C000001 THRU 1C050251292View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C050252 THRU 1C453839292View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C453840 UP292View
Mercury 4-STROKE-EFI60-hp-efi-seapro-4-cyl1C453840 UP292View

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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 JET
  • 55 3 CYL
  • 60 3 CYL
  • 40 HP Carb 3 CYL
  • 40 HP EFI 3 CYL
  • 45 JET
  • 60 3 CYL BIGFOOT
  • 40 HP Carb 4 CYL
  • 50 HP Carb 4 CYL
  • 60 HP Carb 4 CYL
  • 40 HP EFI Jet 4 CYL
  • 40 HP EFI SeaPro 4 CYL
  • 60 HP EFI SeaPro 4 CYL