Mercury outboard spare part 8M0142798 (STUD (M14 x 146)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 115 6 CYL, 200R HP 3.4L V6 Racing, 250R HP 4.6L V8 Racing, 300R HP 4.6L V8 Racing, 200 HP 3.4L V6 SeaPro, 200 HP 3.4L V6, 200 HP 4.6L V8 Pro XS, 200 ROS HP 3.4L V6 15 Inch Midsection Racing, 200R HP 3.4L V6 15 Inch Midsection Racing, 225 HP 3.4L V6, 225 HP 4.6L V8 Pro XS, 225 HP 4.6L V8 SeaPro, 225 HP EFI, 250 HP 4.6L V8 Pro XS, 250 HP 4.6L V8 SeaPro, 250 HP 4.6L V8, 300 HP 4.6L V8 CMS SeaPro, 300 HP 4.6L V8 CMS, 300 HP 4.6L V8 Pro XS, 300 HP 4.6L V8, 300 ROS HP 4.6L V8 15 Inch Midsection Racing, 300R HP 4.6L V8 15 Inch Midsection Racing. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0142798 (STUD (M14 x 146)), documented in 23 exploded diagram location(s), across the 2-STROKE-CARB, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB115-6-cyl5600967 THRU 6436122202View
Mercury 2-STROKE-CARB115-6-cyl6436123 THRU 0B385292202View
Mercury 2-STROKE-CARB115-6-cyl7147988 THRU 7208847202View
Mercury 2-STROKE-CARB115-6-cyl7208848 THRU 0B385292202View
Mercury 2-STROKE-CARB115-6-cyl8067340 UP202View
Mercury 2-STROKE-CARB115-6-cylARCHIVE CAT 56974202View
Mercury 2-STROKE-CARB115-6-cylARCHIVE CAT 63296202View
Mercury 2-STROKE-CARB115-6-cylARCHIVE CAT 79182202View
Mercury 2-STROKE-CARB115-6-cylARCHIVE CAT 83778202View
Mercury 2-STROKE-CARB115-6-cylARCHIVE CAT 84517202View
Mercury 2-STROKE-CARB115-6-cylARCHIVE CAT 84980202View
Mercury 2-STROKE-CARB115-6-cylARCHIVE CAT 86167202View
Mercury 4-STROKE-EFI200-ros-hp-3-4l-v6-15-inch-midsection-racing1E054618 UP202View
Mercury 4-STROKE-EFI200r-hp-3-4l-v6-15-inch-midsection-racing1E054618 UP202View
Mercury 4-STROKE-EFI200r-hp-3-4l-v6-racing3B648748 UP202View
Mercury 4-STROKE-EFI225-hp-efi0T653945 UP202View
Mercury 4-STROKE-EFI250-hp-4-6l-v82B529482 UP202View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-seapro2B529482 UP202View
Mercury 4-STROKE-EFI300-hp-4-6l-v82B529482 UP202View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-cms2B529482 UP202View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-cms-seapro2B529482 UP202View
Mercury 4-STROKE-EFI300-ros-hp-4-6l-v8-15-inch-midsection-racing1E054618 UP202View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-15-inch-midsection-racing1E054618 UP202View

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Appears in diagrams of these models

  • 115 6 CYL
  • 200R HP 3.4L V6 Racing
  • 250R HP 4.6L V8 Racing
  • 300R HP 4.6L V8 Racing
  • 200 HP 3.4L V6 SeaPro
  • 200 HP 3.4L V6
  • 200 HP 4.6L V8 Pro XS
  • 200 ROS HP 3.4L V6 15 Inch Midsection Racing
  • 200R HP 3.4L V6 15 Inch Midsection Racing
  • 225 HP 3.4L V6
  • 225 HP 4.6L V8 Pro XS
  • 225 HP 4.6L V8 SeaPro
  • 225 HP EFI
  • 250 HP 4.6L V8 Pro XS
  • 250 HP 4.6L V8 SeaPro
  • 250 HP 4.6L V8
  • 300 HP 4.6L V8 CMS SeaPro
  • 300 HP 4.6L V8 CMS
  • 300 HP 4.6L V8 Pro XS
  • 300 HP 4.6L V8
  • 300 ROS HP 4.6L V8 15 Inch Midsection Racing
  • 300R HP 4.6L V8 15 Inch Midsection Racing