88721A1HARNESS ASSEMBLY Switch Box to Ignition Coil

Fits models / variants:

Mercury outboard spare part 88721A1 (HARNESS ASSEMBLY Switch Box to Ignition Coil). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 45, 450 4 CYL, 50, 500 4 CYL. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 88721A1 (HARNESS ASSEMBLY Switch Box to Ignition Coil), documented in 11 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB45-450-4-cyl0A719281 THRU 0A745944131View
Mercury 2-STROKE-CARB45-450-4-cyl0B110789 THRU 0B370271131View
Mercury 2-STROKE-CARB45-450-4-cyl5531630 THRU 0B110788131View
Mercury 2-STROKE-CARB45-450-4-cyl7143688 THRU 0A719280131View
Mercury 2-STROKE-CARB45-450-4-cyl8063985 THRU 0B110788131View
Mercury 2-STROKE-CARB45-450-4-cyl9248006 THRU 9466691131View
Mercury 2-STROKE-CARB45-450-4-cyl9466692 THRU 09522535131View
Mercury 2-STROKE-CARB50-500-4-cyl5531630 THRU 0B110788131View
Mercury 2-STROKE-CARB50-500-4-cyl7143688 THRU 0A719280131View
Mercury 2-STROKE-CARB50-500-4-cyl8063985 THRU 0B110788131View
Mercury 2-STROKE-CARB50-500-4-cyl9248006 THRU 9466691131View

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Appears in diagrams of these models

  • 45, 450 4 CYL
  • 50, 500 4 CYL