Mercury outboard spare part 559101 (NUT Pinion Gear). 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, 35 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 559101 (NUT Pinion Gear), documented in 14 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI35-hp-efi-jet-4-cyl1C453840 UP251View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P515897 THRU 0P580772251View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C050252 THRU 1C453839251View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C453840 UP251View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C051324 THRU 1C453839251View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C453840 UP251View
Mercury 4-STROKE-EFI40-hp-efi-seapro-4-cyl1C453840 UP251View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P515897 THRU 0P580772251View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C050252 THRU 1C453839251View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C453840 UP251View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P515897 THRU 0P580772251View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C050252 THRU 1C453839251View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C453840 UP251View
Mercury 4-STROKE-EFI60-hp-efi-seapro-4-cyl1C453840 UP251View

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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
  • 35 HP EFI Jet 4 CYL
  • 40 HP EFI SeaPro 4 CYL
  • 60 HP EFI SeaPro 4 CYL