816626A20HARNESS ASSEMBLY Key Switch (20.00 Feet)

Mercury outboard spare part 816626A20 (HARNESS ASSEMBLY Key Switch (20.00 Feet)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits V-175, V-150, V-135, XR-4 / MAGNUM II, 300X (3.0L) PRO MAX, 250/275, 250XB (3.0L), 300 (3.0L) ProMax, 300 (3.0L) SuperMagnum. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 816626A20 (HARNESS ASSEMBLY Key Switch (20.00 Feet)), documented in 14 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB250-2750C101891 THRU 0D22459111View
Mercury 2-STROKE-CARBv-1750C100861 THRU 0C23955211View
Mercury 2-STROKE-CARBv-1750C239553 THRU 0D08199911View
Mercury 2-STROKE-CARBv-1750D082000 THRU 0G30304511View
Mercury 2-STROKE-CARBv-1750G303046 THRU 0G76029911View
Mercury 2-STROKE-CARBv-1750G760300 THRU 0G96049911View
Mercury 2-STROKE-CARBv-1754301235 THRU 0C10086011View
Mercury 2-STROKE-CARBv-1758058870 THRU 0B38493911View
Mercury 2-STROKE-CARBxr-4-magnum-ii0C100861 THRU 0C23955211View
Mercury 2-STROKE-CARBxr-4-magnum-ii0C239553 THRU 0D08199911View
Mercury 2-STROKE-EFI250xb-3-0l0G980600 THRU 0T80099911View
Mercury 2-STROKE-EFI300-3-0l-promax0G610221 THRU 0T10529711View
Mercury 2-STROKE-EFI300-3-0l-supermagnum0G610221 THRU 0T10529711View
Mercury 2-STROKE-EFI300x-3-0l-pro-max0T235084 THRU 0T42993911View

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Appears in diagrams of these models

  • V-175
  • V-150
  • V-135
  • XR-4 / MAGNUM II
  • 300X (3.0L) PRO MAX
  • 250/275
  • 250XB (3.0L)
  • 300 (3.0L) ProMax
  • 300 (3.0L) SuperMagnum