878084T3HARNESS ASSEMBLY Engine Wiring

Mercury outboard spare part 878084T3 (HARNESS ASSEMBLY Engine Wiring). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 200 HP XS 6 CYL (2.5L), 135 HP V6 CYL (2.5L), 150 HP V6 CYL (2.5L), 175 HP V6 CYL (2.5L). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 878084T3 (HARNESS ASSEMBLY Engine Wiring), documented in 2 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T178500 THRU 0T80099981View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l0T235000 THRU 0T81818081View

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Appears in diagrams of these models

  • 200 HP XS 6 CYL (2.5L)
  • 135 HP V6 CYL (2.5L)
  • 150 HP V6 CYL (2.5L)
  • 175 HP V6 CYL (2.5L)