Mercury outboard spare part 8M0142712 (O-RING (0.796 x 0.139)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 300 HP 4.6L V8, 150R HP 3.4L V6, 175 HP 3.4L V6, 200 HP 3.4L V6 SeaPro, 200 HP 3.4L V6, 200 HP 4.6L V8 Pro XS, 200R HP 3.4L V6 Racing, 225 HP 3.4L V6, 225 HP 4.6L V8 Pro XS, 250 HP 4.6L V8 Pro XS, 300 HP 4.6L V8 Pro XS, 175 HP 3.4L V6 Pro XS, 200 HP Verado 6 CYL, 225 HP 4.6L V8 SeaPro, 250 HP 4.6L V8 SeaPro, 250 HP 4.6L V8 Verado, 250 HP 4.6L V8, 250R HP 4.6L V8 Racing, 300 HP 4.6L V8 AMS SeaPro, 300 HP 4.6L V8 CMS SeaPro, 300 HP 4.6L V8 CMS, 300 HP 4.6L V8 Verado, 300R HP 4.6L V8 AMS Racing, 300R HP 4.6L V8 Racing. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0142712 (O-RING (0.796 x 0.139)), documented in 26 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI150r-hp-3-4l-v63B547096 UP301View
Mercury 4-STROKE-EFI150r-hp-3-4l-v63B648748 UP391View
Mercury 4-STROKE-EFI175-hp-3-4l-v62B529482 UP301View
Mercury 4-STROKE-EFI175-hp-3-4l-v6-pro-xs2B529482 UP301View
Mercury 4-STROKE-EFI200-hp-3-4l-v62B529482 UP301View
Mercury 4-STROKE-EFI200-hp-3-4l-v6-seapro2B529482 UP301View
Mercury 4-STROKE-EFI200-hp-4-6l-v8-pro-xs2B529482 UP301View
Mercury 4-STROKE-EFI200-hp-verado-6-cyl0P520553 THRU 2B144122301View
Mercury 4-STROKE-EFI200r-hp-3-4l-v6-racing3B547096 UP301View
Mercury 4-STROKE-EFI200r-hp-3-4l-v6-racing3B648748 UP391View
Mercury 4-STROKE-EFI225-hp-3-4l-v62B529482 UP301View
Mercury 4-STROKE-EFI225-hp-4-6l-v8-pro-xs2B529482 UP301View
Mercury 4-STROKE-EFI225-hp-4-6l-v8-seapro2B529482 UP301View
Mercury 4-STROKE-EFI250-hp-4-6l-v82B529482 UP301View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-pro-xs2B529482 UP301View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-seapro2B529482 UP301View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-verado2B529482 UP301View
Mercury 4-STROKE-EFI250r-hp-4-6l-v8-racing1E080500 UP301View
Mercury 4-STROKE-EFI300-hp-4-6l-v82B529482 UP301View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-ams-seapro2B529482 UP301View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-cms2B529482 UP301View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-cms-seapro2B529482 UP301View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-pro-xs2B529482 UP301View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-verado2B529482 UP301View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-ams-racing1E081459 UP301View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-racing1E080500 UP301View

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Appears in diagrams of these models

  • 300 HP 4.6L V8
  • 150R HP 3.4L V6
  • 175 HP 3.4L V6
  • 200 HP 3.4L V6 SeaPro
  • 200 HP 3.4L V6
  • 200 HP 4.6L V8 Pro XS
  • 200R HP 3.4L V6 Racing
  • 225 HP 3.4L V6
  • 225 HP 4.6L V8 Pro XS
  • 250 HP 4.6L V8 Pro XS
  • 300 HP 4.6L V8 Pro XS
  • 175 HP 3.4L V6 Pro XS
  • 200 HP Verado 6 CYL
  • 225 HP 4.6L V8 SeaPro
  • 250 HP 4.6L V8 SeaPro
  • 250 HP 4.6L V8 Verado
  • 250 HP 4.6L V8
  • 250R HP 4.6L V8 Racing
  • 300 HP 4.6L V8 AMS SeaPro
  • 300 HP 4.6L V8 CMS SeaPro
  • 300 HP 4.6L V8 CMS
  • 300 HP 4.6L V8 Verado
  • 300R HP 4.6L V8 AMS Racing
  • 300R HP 4.6L V8 Racing