Mercury outboard spare part 821256F2 (INLET Air). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

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

Part Specifications and Installation Reference

Mercury outboard part 821256F2 (INLET Air), documented in 9 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB225-3-0l0G760300 THRU 0T40899921View
Mercury 2-STROKE-CARB225-marathon-3-0l0G760300 THRU 0T40899921View
Mercury 2-STROKE-CARB225-seapro-3-0l0G760300 THRU 0T40899921View
Mercury 2-STROKE-EFI225-3-0l0T409000 THRU 0T80099921View
Mercury 2-STROKE-EFI250xb-3-0l0G980600 THRU 0T80099921View
Mercury 2-STROKE-EFIv-175-efi-2-5l0T409000 THRU 0T80099921View
Mercury 2-STROKE-EFIv-175-hp0G760300 THRU 0G96049921View
Mercury 2-STROKE-EFIv-175-hp0G960500 THRU 0T40899921View
Mercury 2-STROKE-EFIv-200-2-5l0T409000 THRU 0T80099921View

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Appears in diagrams of these models

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