Mercury outboard spare part 803721003 (CAM Starter Interlock). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 25 HP EFI Jet 3 CYL, 30 HP EFI 3 CYL, 6 HP EFI 2CYL (209cc), 8 HP EFI 2 CYL (209cc), 9.9 HP EFI 2 CYL (209cc), 9.9 HP EFI ProKicker 2 CYL (209cc). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 803721003 (CAM Starter Interlock), documented in 16 exploded diagram location(s), across the 4-STROKE-CARB, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-CARB10-hp-carb-2-cyl0R575531 THRU 0R833819201View
Mercury 4-STROKE-CARB15-hp-carb-2-cyl0G590000 THRU 0G760299201View
Mercury 4-STROKE-CARB15-hp-carb-2-cyl0R235949 THRU 0R833819201View
Mercury 4-STROKE-CARB15-hp-carb-2-cyl9973100 THRU 0P016999201View
Mercury 4-STROKE-CARB15-hp-carb-2-cyl-jci0R558208 THRU 0R833819201View
Mercury 4-STROKE-CARB15-hp-carb-seapro0R051685 THRU 0R123564201View
Mercury 4-STROKE-CARB15-hp-carb-seapro0R123565 UP201View
Mercury 4-STROKE-CARB20-hp-carb-2-cyl0R235168 THRU 0R833819201View
Mercury 4-STROKE-CARB25-hp-carb0G590000 THRU 0G760299201View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl0R106999 THRU 1R162636201View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl0R165086 THRU 1R162636201View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0R106999 THRU 1R162636201View
Mercury 4-STROKE-EFI6-hp-efi-2cyl-209cc1R363055 UP201View
Mercury 4-STROKE-EFI8-hp-efi-2-cyl-209cc1R281445 UP201View
Mercury 4-STROKE-EFI9-9-hp-efi-2-cyl-209cc1R281445 UP201View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-209cc1R281445 UP201View

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Appears in diagrams of these models

  • 25 HP EFI Jet 3 CYL
  • 30 HP EFI 3 CYL
  • 6 HP EFI 2CYL (209cc)
  • 8 HP EFI 2 CYL (209cc)
  • 9.9 HP EFI 2 CYL (209cc)
  • 9.9 HP EFI ProKicker 2 CYL (209cc)