Mercury outboard spare part 166951 (BOLT). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 40 LIGHTNING XR (International), 30 2 CYL (International), 50MH, 15 HP 2 CYL (International), 18 HP 2 CYL (International), 25 2 CYL (International), 40 (International), 9.9 2 CYL (International), 25 HP Jet 2 CYL (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 166951 (BOLT), documented in 17 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB15-hp-2-cyl-international0N001590 THRU 0N055284510View
Mercury 2-STROKE-CARB15-hp-2-cyl-international0N055285 UP510View
Mercury 2-STROKE-CARB18-hp-2-cyl-international0N001590 THRU 0N055284510View
Mercury 2-STROKE-CARB18-hp-2-cyl-international0N055285 UP510View
Mercury 2-STROKE-CARB25-2-cyl-international0N018456 THRU 0N05550448View
Mercury 2-STROKE-CARB25-2-cyl-international0N055505 UP48View
Mercury 2-STROKE-CARB25-hp-jet-2-cyl-international0N088578 UP48View
Mercury 2-STROKE-CARB30-2-cyl-international0N001875 THRU 0N05550448View
Mercury 2-STROKE-CARB30-2-cyl-international0N055505 UP48View
Mercury 2-STROKE-CARB30-2-cyl-internationalARCHIVE CAT 8538339748View
Mercury 2-STROKE-CARB40-international0N056165 UP214View
Mercury 2-STROKE-CARB40-lightning-international0N000001 THRU 0N056164214View
Mercury 2-STROKE-CARB40-lightning-xr-international0N056165 UP214View
Mercury 2-STROKE-CARB40-mxl-marathon0N037781 THRU 0N056164214View
Mercury 2-STROKE-CARB40-mxl-seapro0N037781 THRU 0N056164214View
Mercury 2-STROKE-CARB50mh0N056165 UP214View
Mercury 2-STROKE-CARB9-9-2-cyl-international0N059858 UP510View

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Appears in diagrams of these models

  • 40 LIGHTNING XR (International)
  • 30 2 CYL (International)
  • 50MH
  • 15 HP 2 CYL (International)
  • 18 HP 2 CYL (International)
  • 25 2 CYL (International)
  • 40 (International)
  • 9.9 2 CYL (International)
  • 25 HP Jet 2 CYL (International)
  • 40 LIGHTNING (International)
  • 40 MXL MARATHON
  • 40 MXL SEAPRO