86866SPARK PLUG

Fits models / variants:

Mercury outboard spare part 86866 (SPARK PLUG). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 9.8 HP (Merc 110), 7.5, 75 HP. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 86866 (SPARK PLUG), documented in 12 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB7-5-75-hp7125388 THRU 0A19711332—View
Mercury 2-STROKE-CARB7-5-75-hp8057545 THRU 0A19711332—View
Mercury 2-STROKE-CARB7-5-75-hp9217756 THRU 0A19711332—View
Mercury 2-STROKE-CARB9-8-hp-merc-1105206550 THRU 0A19711332—View
Mercury 2-STROKE-CARB9-8-hp-merc-1107127388 THRU 0A19711332—View
Mercury 2-STROKE-CARB9-8-hp-merc-1108057545 THRU 0A19711332—View
Mercury 2-STROKE-CARB9-8-hp-merc-1109217756 THRU 0A19711332—View
Mercury 2-STROKE-CARB9-8-hp-merc-110ARCHIVE CAT 3194532—View
Mercury 2-STROKE-CARB9-8-hp-merc-110ARCHIVE CAT 3956232—View
Mercury 2-STROKE-CARB9-8-hp-merc-110ARCHIVE CAT 5934432—View
Mercury 2-STROKE-CARB9-8-hp-merc-110ARCHIVE CAT 6243032—View
Mercury 2-STROKE-CARB9-8-hp-merc-110ARCHIVE CAT 6713632—View

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Appears in diagrams of these models

  • 9.8 HP (Merc 110)
  • 7.5, 75 HP