84319MCAP Spark Plug (STD)

Mercury outboard spare part 84319M (CAP Spark Plug (STD)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 40C (TWIN CARB) (W/AUTO-BLEND), 8W HP (Marathon). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 84319M (CAP Spark Plug (STD)), documented in 8 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 007666 THRU 6E9 015000532View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 105014 THRU 6E9 150000532View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 309344 THRU 350000532View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 423163 THRU 450000532View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 500101 THRU 00503940532View
Mercury 2-STROKE-CARB8w-hp-marathon677 057507 UP322View
Mercury 2-STROKE-CARB8w-hp-marathon677 383147 UP322View
Mercury 2-STROKE-CARB8w-hp-marathon677 702821 UP322View

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Appears in diagrams of these models

  • 40C (TWIN CARB) (W/AUTO-BLEND)
  • 8W HP (Marathon)