Mercury outboard spare part 8M0168312 (GEAR HOUSING ASSEMBLY Basic Sport Master Silver). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 250R HP 4.6L V8 Racing, 300 ROS HP 4.6L V8 15 Inch Midsection Racing, 300R HP 4.6L V8 15 Inch Midsection Racing, 300R HP 4.6L V8 Racing, 150R HP 3.4L V6, 200R HP 3.4L V6 Racing, 200 ROS HP 3.4L V6 15 Inch Midsection Racing, 200R HP 3.4L V6 15 Inch Midsection Racing, 300R HP 4.6L V8 AMS Racing, 400R HP 5.7L V10 Racing. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0168312 (GEAR HOUSING ASSEMBLY Basic Sport Master Silver), documented in 12 exploded diagram location(s), across the 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-EFI150r-hp-3-4l-v63B547096 UP11View
Mercury 4-STROKE-EFI150r-hp-3-4l-v63B648748 UP11View
Mercury 4-STROKE-EFI200-ros-hp-3-4l-v6-15-inch-midsection-racing1E054618 UP11View
Mercury 4-STROKE-EFI200r-hp-3-4l-v6-15-inch-midsection-racing1E054618 UP11View
Mercury 4-STROKE-EFI200r-hp-3-4l-v6-racing3B547096 UP11View
Mercury 4-STROKE-EFI200r-hp-3-4l-v6-racing3B648748 UP11View
Mercury 4-STROKE-EFI250r-hp-4-6l-v8-racing1E080500 UP11View
Mercury 4-STROKE-EFI300-ros-hp-4-6l-v8-15-inch-midsection-racing1E054618 UP11View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-15-inch-midsection-racing1E054618 UP11View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-ams-racing1E081459 UP11View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-racing1E080500 UP11View
Mercury 4-STROKE-EFI400r-hp-5-7l-v10-racing3B272954 UP11View

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Appears in diagrams of these models

  • 250R HP 4.6L V8 Racing
  • 300 ROS HP 4.6L V8 15 Inch Midsection Racing
  • 300R HP 4.6L V8 15 Inch Midsection Racing
  • 300R HP 4.6L V8 Racing
  • 150R HP 3.4L V6
  • 200R HP 3.4L V6 Racing
  • 200 ROS HP 3.4L V6 15 Inch Midsection Racing
  • 200R HP 3.4L V6 15 Inch Midsection Racing
  • 300R HP 4.6L V8 AMS Racing
  • 400R HP 5.7L V10 Racing