858732A03GASKET SET Powerhead

Mercury outboard spare part 858732A03 (GASKET SET Powerhead). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 100 HP EFI, 80 HP EFI, 90 HP EFI, 75 HP EFI, 90 HP EFI SeaPro. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 858732A03 (GASKET SET Powerhead), documented in 13 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI100-hp-efi0P459572 THRU 2B094995-1View
Mercury 4-STROKE-EFI100-hp-efi1B227000 THRU 1B366822-1View
Mercury 4-STROKE-EFI100-hp-efi1B366823 THRU 2B094995-1View
Mercury 4-STROKE-EFI100-hp-efi2B095049 UP-1View
Mercury 4-STROKE-EFI75-hp-efi1B172291 THRU 1B366822-1View
Mercury 4-STROKE-EFI80-hp-efi0P459572 THRU 2B094995-1View
Mercury 4-STROKE-EFI80-hp-efi1B227000 THRU 1B366822-1View
Mercury 4-STROKE-EFI80-hp-efi1B366823 THRU 2B094995-1View
Mercury 4-STROKE-EFI80-hp-efi2B095049 UP-1View
Mercury 4-STROKE-EFI90-hp-efi1B172291 THRU 1B366822-1View
Mercury 4-STROKE-EFI90-hp-efi1B366823 THRU 2B094995-1View
Mercury 4-STROKE-EFI90-hp-efi2B095049 UP-1View
Mercury 4-STROKE-EFI90-hp-efi-seapro2B095049 UP-1View

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Appears in diagrams of these models

  • 100 HP EFI
  • 80 HP EFI
  • 90 HP EFI
  • 75 HP EFI
  • 90 HP EFI SeaPro