Mercury outboard spare part 8M0057775 (PISTON ASSEMBLY). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 40 HP EFI 4 CYL, 40 HP EFI Jet 4 CYL, 75 HP EFI, 40 HP EFI 3 CYL, 40 HP EFI SeaPro 4 CYL, 60 HP 1.0L EFI L4 APX, 65 HP EFI Jet. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0057775 (PISTON ASSEMBLY), documented in 15 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C456300 UP9ARView
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P153500 THRU 0P4009999ARView
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P401000 THRU 0P5158969ARView
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P515897 THRU 0P5807729ARView
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0T409000 THRU 1B3552229ARView
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C000001 THRU 1C0502519ARView
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C050252 THRU 1C4538399ARView
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C453840 UP9ARView
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C051324 THRU 1C4538399ARView
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C453840 UP9ARView
Mercury 4-STROKE-EFI40-hp-efi-seapro-4-cyl1C453840 UP9ARView
Mercury 4-STROKE-EFI60-hp-1-0l-efi-l4-apx1C782688 UP9ARView
Mercury 4-STROKE-EFI65-hp-efi-jet2B095049 UP9ARView
Mercury 4-STROKE-EFI75-hp-efi1B172291 THRU 1B3668229ARView
Mercury 4-STROKE-EFI75-hp-efi1B366823 THRU 2B0949959ARView

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Appears in diagrams of these models

  • 40 HP EFI 4 CYL
  • 40 HP EFI Jet 4 CYL
  • 75 HP EFI
  • 40 HP EFI 3 CYL
  • 40 HP EFI SeaPro 4 CYL
  • 60 HP 1.0L EFI L4 APX
  • 65 HP EFI Jet