Mercury outboard spare part 878245 (COUPLING). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits V-150, V-135, V-200, 140 JET, XR-6 / MAGNUM III, 300X (3.0L) PRO MAX, 225 (3.0L), 225 MARATHON (3.0L), 225 SEAPRO (3.0L), 135 HP V6 CYL (2.5L), 150 HP V6 CYL (2.5L), 175 HP V6 CYL (2.5L), 200 HP 6 CYL (3.0L), 225 HP 6 CYL (3.0L), 200 (3.0L), 225 (3.0L), 250 (3.0L), 250XB (3.0L), 3.0L MARATHON, 3.0L SEAPRO, V-150 HP, V-175 HP, V-200. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 878245 (COUPLING), documented in 22 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB225-3-0l0G760300 THRU 0T40899961View
Mercury 2-STROKE-CARB225-marathon-3-0l0G760300 THRU 0T40899961View
Mercury 2-STROKE-CARB225-seapro-3-0l0G760300 THRU 0T40899961View
Mercury 2-STROKE-CARBv-1500C100861 THRU 0C23955261View
Mercury 2-STROKE-CARBv-1500C239553 THRU 0D08199961View
Mercury 2-STROKE-CARBv-1500D082000 THRU 0G30304561View
Mercury 2-STROKE-CARBv-1500G303046 THRU 0G76029961View
Mercury 2-STROKE-CARBv-1500G760300 THRU 0G96049961View
Mercury 2-STROKE-CARBv-1500G960500 THRU 1B22699961View
Mercury 2-STROKE-CARBv-1504868998 THRU 0A90464561View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T178500 THRU 0T80099961View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T178500 THRU 0T59899961View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T178500 THRU 0T59899961View
Mercury 2-STROKE-EFI200-3-0l0T750164 THRU 0T80099961View
Mercury 2-STROKE-EFI225-3-0l0G760300 THRU 0T40899961View
Mercury 2-STROKE-EFI250-3-0l0G760300 THRU 0T40899961View
Mercury 2-STROKE-EFI250xb-3-0l0G980600 THRU 0T80099961View
Mercury 2-STROKE-EFI3-0l-marathon0T409000 THRU 0T80099961View
Mercury 2-STROKE-EFI3-0l-seapro0T409000 THRU 0T80099961View
Mercury 2-STROKE-EFI300x-3-0l-pro-max0T235084 THRU 0T42993961View
Mercury 2-STROKE-EFIv-150-hp0G960500 THRU 0T40899961View
Mercury 2-STROKE-EFIv-175-hp0G960500 THRU 0T40899961View

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Appears in diagrams of these models

  • V-150
  • V-135
  • V-200
  • 140 JET
  • XR-6 / MAGNUM III
  • 300X (3.0L) PRO MAX
  • 225 (3.0L)
  • 225 MARATHON (3.0L)
  • 225 SEAPRO (3.0L)
  • 135 HP V6 CYL (2.5L)
  • 150 HP V6 CYL (2.5L)
  • 175 HP V6 CYL (2.5L)
  • 200 HP 6 CYL (3.0L)
  • 225 HP 6 CYL (3.0L)
  • 200 (3.0L)
  • 225 (3.0L)
  • 250 (3.0L)
  • 250XB (3.0L)
  • 3.0L MARATHON
  • 3.0L SEAPRO
  • V-150 HP
  • V-175 HP
  • V-200