Mercury outboard spare part 879964A2 (HARNESS ASSEMBLY Encoder Crank Position Sensor). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 200 (3.0L), 225 (3.0L), 250 (3.0L), 135 HP V6 CYL (2.5L), 150 HP V6 CYL (2.5L), 175 HP V6 CYL (2.5L), 200 HP XS 6 CYL (2.5L), 200 HP 6 CYL (3.0L), 225 HP 6 CYL (3.0L), 225 (3.0L) MARATHON, 225 (3.0L) SEAPRO, 300X (3.0L) PRO MAX, 110 Jet (2.5L), 175 HP Pro XS 6 CYL (2.5L), 250 L (3.0L), 3.0L MARATHON, 3.0L SEAPRO. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 879964A2 (HARNESS ASSEMBLY Encoder Crank Position Sensor), documented in 28 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB110-jet-2-5l1B690542 THRU 1B974227-1View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-pro-xs-6-cyl-2-5l1B516339 THRU 2B535624-1View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T178500 THRU 0T800999-1View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T801000 THRU 1B226999-1View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l1B227000 THRU 1B417701-1View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l1B417702 THRU 1B508457-1View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T178500 THRU 0T598999-1View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T599000 THRU 0T800999-1View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l0T235000 THRU 0T818180-1View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T178500 THRU 0T598999-1View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T599000 THRU 0T800999-1View
Mercury 2-STROKE-EFI200-3-0l0T750164 THRU 0T800999-1View
Mercury 2-STROKE-EFI200-3-0l0T801000 THRU 1B417701-1View
Mercury 2-STROKE-EFI200-3-0l1B417702 THRU 1B504988-1View
Mercury 2-STROKE-EFI200-3-0l1B504989 THRU 2B528096-1View
Mercury 2-STROKE-EFI225-3-0l0T409000 THRU 0T800999-1View
Mercury 2-STROKE-EFI225-3-0l0T801000 THRU 1B417701-1View
Mercury 2-STROKE-EFI225-3-0l1B417702 THRU 1B504988-1View
Mercury 2-STROKE-EFI225-3-0l1B504989 THRU 2B528096-1View
Mercury 2-STROKE-EFI225-3-0l-marathon0T801000 THRU 1B417701-1View
Mercury 2-STROKE-EFI225-3-0l-seapro0T801000 THRU 1B417701-1View
Mercury 2-STROKE-EFI250-3-0l0T409000 THRU 0T800999-1View
Mercury 2-STROKE-EFI250-3-0l0T801000 THRU 1B417701-1View
Mercury 2-STROKE-EFI250-3-0l1B417702 THRU 1B504988-1View
Mercury 2-STROKE-EFI250-3-0l1B504989 THRU 2B528096-1View
Mercury 2-STROKE-EFI250-l-3-0l0T861319 THRU 1B118897-1View
Mercury 2-STROKE-EFI3-0l-marathon0T409000 THRU 0T800999-1View
Mercury 2-STROKE-EFI3-0l-seapro0T409000 THRU 0T800999-1View

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Appears in diagrams of these models

  • 200 (3.0L)
  • 225 (3.0L)
  • 250 (3.0L)
  • 135 HP V6 CYL (2.5L)
  • 150 HP V6 CYL (2.5L)
  • 175 HP V6 CYL (2.5L)
  • 200 HP XS 6 CYL (2.5L)
  • 200 HP 6 CYL (3.0L)
  • 225 HP 6 CYL (3.0L)
  • 225 (3.0L) MARATHON
  • 225 (3.0L) SEAPRO
  • 300X (3.0L) PRO MAX
  • 110 Jet (2.5L)
  • 175 HP Pro XS 6 CYL (2.5L)
  • 250 L (3.0L)
  • 3.0L MARATHON
  • 3.0L SEAPRO