Mercury outboard spare part 851864 (STOPPER). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 40 LIGHTNING XR (International), 50MH, 6 2 CYL (International), 8 HP 2 CYL (International), 8 HP SEAPRO 2 CYL (International), 9.8 2 CYL (International), 9.9 2 CYL (International), 40 (International), 40 LIGHTNING (International), 40 MXL MARATHON, 40 MXL SEAPRO. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 851864 (STOPPER), documented in 17 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB40-international0N056165 UP71View
Mercury 2-STROKE-CARB40-lightning-international0N000001 THRU 0N05616471View
Mercury 2-STROKE-CARB40-lightning-xr-international0N000513 THRU 0N05616471View
Mercury 2-STROKE-CARB40-mxl-marathon0N037781 THRU 0N05616471View
Mercury 2-STROKE-CARB40-mxl-seapro0N037781 THRU 0N05616471View
Mercury 2-STROKE-CARB50mh0N051023 THRU 0N05616471View
Mercury 2-STROKE-CARB50mh0N056165 UP71View
Mercury 2-STROKE-CARB6-2-cyl-international0N027903 THRU 0N055109131View
Mercury 2-STROKE-CARB6-2-cyl-international0N055110 THRU 0N392391131View
Mercury 2-STROKE-CARB8-hp-2-cyl-international0N027903 THRU 0N055109131View
Mercury 2-STROKE-CARB8-hp-2-cyl-international0N055110 UP131View
Mercury 2-STROKE-CARB8-hp-seapro-2-cyl-international0N014717 THRU 0N055109131View
Mercury 2-STROKE-CARB8-hp-seapro-2-cyl-international0N055110 UP131View
Mercury 2-STROKE-CARB9-8-2-cyl-international0N007788 THRU 0N055109131View
Mercury 2-STROKE-CARB9-8-2-cyl-international0N055110 UP131View
Mercury 2-STROKE-CARB9-9-2-cyl-international0N059858 UP131View
Mercury 2-STROKE-CARB9-9-2-cyl-international0N260037 UP131View

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Appears in diagrams of these models

  • 40 LIGHTNING XR (International)
  • 50MH
  • 6 2 CYL (International)
  • 8 HP 2 CYL (International)
  • 8 HP SEAPRO 2 CYL (International)
  • 9.8 2 CYL (International)
  • 9.9 2 CYL (International)
  • 40 (International)
  • 40 LIGHTNING (International)
  • 40 MXL MARATHON
  • 40 MXL SEAPRO