Mercury outboard spare part 8M0134428 (PISTON ASSEMBLY). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 30 HP EFI 3 CYL, 40 HP EFI 3 CYL, 25 HP EFI 3 CYL, 25 HP EFI Jet 3 CYL, 10 HP EFI 2 CYL (333cc), 15 HP EFI 2 CYL (333cc), 15 HP EFI SeaPro 2 CYL (333cc), 20 HP EFI 2 CYL (333cc), 25 HP EFI SeaPro 3 CYL, 35 HP EFI Jet 4 CYL, 9.9 HP EFI ProKicker 2 CYL (333cc). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0134428 (PISTON ASSEMBLY), documented in 19 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI10-hp-efi-2-cyl-333cc0R833820 UP72View
Mercury 4-STROKE-EFI15-hp-efi-2-cyl-333cc0R833820 UP72View
Mercury 4-STROKE-EFI15-hp-efi-seapro-2-cyl-333cc0R833820 UP72View
Mercury 4-STROKE-EFI20-hp-efi-2-cyl-333cc0R833820 UP72View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl0R106999 THRU 1R16263672View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl1R154758 UP72View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl0R165086 THRU 1R16263672View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl1R154758 UP72View
Mercury 4-STROKE-EFI25-hp-efi-seapro-3-cyl1R154758 UP72View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0R106999 THRU 1R16263672View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C109093 THRU 1C45629972View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C456300 UP72View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1R154758 UP72View
Mercury 4-STROKE-EFI35-hp-efi-jet-4-cyl1C453840 UP72View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0P401000 THRU 0P51589672View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1B227000 THRU 1B35502772View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C000001 THRU 1C04341672View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C043417 THRU 1C45629972View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-333cc1R008146 THRU 1R27879272View

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Appears in diagrams of these models

  • 30 HP EFI 3 CYL
  • 40 HP EFI 3 CYL
  • 25 HP EFI 3 CYL
  • 25 HP EFI Jet 3 CYL
  • 10 HP EFI 2 CYL (333cc)
  • 15 HP EFI 2 CYL (333cc)
  • 15 HP EFI SeaPro 2 CYL (333cc)
  • 20 HP EFI 2 CYL (333cc)
  • 25 HP EFI SeaPro 3 CYL
  • 35 HP EFI Jet 4 CYL
  • 9.9 HP EFI ProKicker 2 CYL (333cc)