Mercury outboard spare part 827179A12 (RING SET Piston). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 225 (3.0L), 225 (3.0L), 225 MARATHON (3.0L), 225 SEAPRO (3.0L), 225 (3.0L) MARATHON, 225 (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 827179A12 (RING SET Piston), documented in 32 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB225-3-0l0D280813 THRU 0G760299111View
Mercury 2-STROKE-CARB225-3-0l0G760300 THRU 0T408999141View
Mercury 2-STROKE-CARB225-marathon-3-0l0G245605 THRU 0G760299111View
Mercury 2-STROKE-CARB225-marathon-3-0l0G760300 THRU 0T408999141View
Mercury 2-STROKE-CARB225-seapro-3-0l0G245605 THRU 0G760299111View
Mercury 2-STROKE-CARB225-seapro-3-0l0G760300 THRU 0T408999141View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T599000 THRU 0T800999121View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B504989 THRU 1B912785121View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l0T980000 THRU 1B4177011212View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B417702 THRU 1B5049881212View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B504989 THRU 1B9647351212View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B504989 THRU 1B912785121View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T599000 THRU 0T800999121View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B504989 THRU 2B535086121View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l0T599000 THRU 1B4177011212View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B417702 THRU 1B5049881212View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B504989 THRU 1B9647351212View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-6-cyl-3-0l1B528615 THRU 2B535086121View
Mercury 2-STROKE-EFI225-3-0l0G129222 THRU 0G760299111View
Mercury 2-STROKE-EFI225-3-0l0G760300 THRU 0T408999131View
Mercury 2-STROKE-EFI225-3-0l0T409000 THRU 0T800999111View
Mercury 2-STROKE-EFI225-3-0l0T801000 THRU 1B417701131View
Mercury 2-STROKE-EFI225-3-0l1B417702 THRU 1B504988131View
Mercury 2-STROKE-EFI225-3-0l1B504989 THRU 2B528096131View
Mercury 2-STROKE-EFI225-3-0l-marathon0T801000 THRU 1B417701131View
Mercury 2-STROKE-EFI225-3-0l-seapro0T801000 THRU 1B417701131View
Mercury 2-STROKE-EFI250-3-0l0G129222 THRU 0G760299111View
Mercury 2-STROKE-EFI250-3-0l0G760300 THRU 0T408999111View
Mercury 2-STROKE-EFI250-3-0l0T409000 THRU 0T800999111View
Mercury 2-STROKE-EFI250xb-3-0l0G980600 THRU 0T800999131View
Mercury 2-STROKE-EFI300-3-0l-promax0G610221 THRU 0T105297111View
Mercury 2-STROKE-EFI300-3-0l-supermagnum0G610221 THRU 0T105297111View

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Appears in diagrams of these models

  • 225 (3.0L)
  • 225 (3.0L)
  • 225 MARATHON (3.0L)
  • 225 SEAPRO (3.0L)
  • 225 (3.0L) MARATHON
  • 225 (3.0L) SEAPRO