Mercury outboard spare part 8M0051397 (COLLAR Stainless Steel). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 8 HP Carb (209cc), 30 HP EFI 3 CYL, 9.9 HP Carb (209cc), 40 HP EFI 3 CYL, 25 HP EFI Jet 3 CYL, 25 HP EFI 3 CYL, 10 HP Carb 2 CYL, 15 HP Carb 2 CYL JCI, 15 HP Carb 2 CYL, 20 HP Carb 2 CYL, 10 HP EFI 2 CYL (333cc), 25 HP EFI SeaPro 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), 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 8M0051397 (COLLAR Stainless Steel), documented in 30 exploded diagram location(s), across the 4-STROKE-CARB, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-CARB10-hp-carb-2-cyl0R575531 THRU 0R833819361View
Mercury 4-STROKE-CARB15-hp-carb-2-cyl0R235949 THRU 0R833819361View
Mercury 4-STROKE-CARB15-hp-carb-2-cyl-jci0R558208 THRU 0R833819361View
Mercury 4-STROKE-CARB20-hp-carb-2-cyl0R235168 THRU 0R833819361View
Mercury 4-STROKE-EFI10-hp-efi-2-cyl-333cc0R833820 UP211View
Mercury 4-STROKE-EFI15-hp-efi-2-cyl-333cc0R833820 UP211View
Mercury 4-STROKE-EFI15-hp-efi-seapro-2-cyl-333cc0R833820 UP211View
Mercury 4-STROKE-EFI20-hp-efi-2-cyl-333cc0R833820 UP211View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl0R106999 THRU 1R16263621, 361View
Mercury 4-STROKE-EFI25-hp-efi-3-cyl1R154758 UP211View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl0R165086 THRU 1R16263621, 361View
Mercury 4-STROKE-EFI25-hp-efi-jet-3-cyl1R154758 UP211View
Mercury 4-STROKE-EFI25-hp-efi-seapro-3-cyl1R154758 UP211View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0P153500 THRU 0P400999211View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0R106999 THRU 1R16263621, 361View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl0T409000 THRU 1B226999211View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C109093 THRU 1C456299211View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C456300 UP211View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1R154758 UP211View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0P153500 THRU 0P400999211View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0P401000 THRU 0P515896211View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl0T409000 THRU 1B226999211View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1B227000 THRU 1B355027211View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C000001 THRU 1C043416211View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C043417 THRU 1C456299211View
Mercury 4-STROKE-EFI6-hp-efi-2cyl-209cc1R363055 UP211View
Mercury 4-STROKE-EFI8-hp-efi-2-cyl-209cc1R281445 UP211View
Mercury 4-STROKE-EFI9-9-hp-efi-2-cyl-209cc1R281445 UP211View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-209cc1R281445 UP211View
Mercury 4-STROKE-EFI9-9-hp-efi-prokicker-2-cyl-333cc1R008146 THRU 1R278792211View

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Appears in diagrams of these models

  • 8 HP Carb (209cc)
  • 30 HP EFI 3 CYL
  • 9.9 HP Carb (209cc)
  • 40 HP EFI 3 CYL
  • 25 HP EFI Jet 3 CYL
  • 25 HP EFI 3 CYL
  • 10 HP Carb 2 CYL
  • 15 HP Carb 2 CYL JCI
  • 15 HP Carb 2 CYL
  • 20 HP Carb 2 CYL
  • 10 HP EFI 2 CYL (333cc)
  • 25 HP EFI SeaPro 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)
  • 9.9 HP EFI ProKicker 2 CYL (333cc)