Mercury outboard spare part 8M0162139 (THERMOSTAT ASSEMBLY). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 200R HP 3.4L V6 Racing, 300R HP 4.6L V8 Racing, 150R HP 3.4L V6, 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, 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 Pro XS, 300 HP 4.6L V8 Verado, 300 HP 4.6L V8, 300 ROS HP 4.6L V8 15 Inch Midsection Racing, 300R HP 4.6L V8 15 Inch Midsection Racing, 300R HP 4.6L V8 AMS Racing, 350 HP 5.7L V10 Verado, 4 HP Carb, 5 HP Carb, 175 HP 3.4L V6 Pro XS, 175 HP 3.4L V6, 200 HP 3.4L V6 APX, 225 HP 3.4L V6, 225 HP 4.6L V8 Pro XS, 225 HP 4.6L V8 SeaPro, 250 4.6L V8 APX, 250 HP 4.6L V8 Pro XS, 250 HP 4.6L V8 SeaPro, 250 HP 4.6L V8 Verado, 250 HP 4.6L V8, 250R HP 4.6L V8 Racing, 275 HP Verado 6 CYL, 300 HP Verado 6 CYL, 350 HP 2.6L L6 Pro Verado, 350 HP 2.6L L6 Verado, 350 HP 5.7L V10 Verado SeaPro, 360 HP 4.6L V8 APX. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0162139 (THERMOSTAT ASSEMBLY), documented in 50 exploded diagram location(s), across the 4-STROKE-CARB, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 4-STROKE-CARB4-hp-carb0R411838 UP-1View
Mercury 4-STROKE-CARB5-hp-carb0R411838 UP-1View
Mercury 4-STROKE-EFI150r-hp-3-4l-v63B547096 UP81View
Mercury 4-STROKE-EFI150r-hp-3-4l-v63B648748 UP81View
Mercury 4-STROKE-EFI175-hp-3-4l-v62B529482 UP81View
Mercury 4-STROKE-EFI175-hp-3-4l-v6-pro-xs2B529482 UP81View
Mercury 4-STROKE-EFI200-hp-3-4l-v62B529482 UP-, 81View
Mercury 4-STROKE-EFI200-hp-3-4l-v6-apx1E054353 UP81View
Mercury 4-STROKE-EFI200-hp-3-4l-v6-seapro2B529482 UP-, 81View
Mercury 4-STROKE-EFI200-hp-4-6l-v8-pro-xs2B529482 UP-, 81View
Mercury 4-STROKE-EFI200-ros-hp-3-4l-v6-15-inch-midsection-racing1E054618 UP-, 81View
Mercury 4-STROKE-EFI200r-hp-3-4l-v6-15-inch-midsection-racing1E054618 UP-, 81View
Mercury 4-STROKE-EFI200r-hp-3-4l-v6-racing3B547096 UP-, 81View
Mercury 4-STROKE-EFI200r-hp-3-4l-v6-racing3B648748 UP-, 81View
Mercury 4-STROKE-EFI225-hp-3-4l-v62B529482 UP81View
Mercury 4-STROKE-EFI225-hp-4-6l-v8-pro-xs2B529482 UP81View
Mercury 4-STROKE-EFI225-hp-4-6l-v8-seapro2B529482 UP81View
Mercury 4-STROKE-EFI250-4-6l-v8-apx1E054548 UP81View
Mercury 4-STROKE-EFI250-hp-4-6l-v82B529482 UP-, 81View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-pro-xs2B529482 UP-1View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-seapro2B529482 UP-1View
Mercury 4-STROKE-EFI250-hp-4-6l-v8-verado2B529482 UP-, 81View
Mercury 4-STROKE-EFI250r-hp-4-6l-v8-racing1E080500 UP81View
Mercury 4-STROKE-EFI275-hp-verado-6-cyl2B144123 THRU 2B578935-1View
Mercury 4-STROKE-EFI300-hp-4-6l-v82B529482 UP-, 81View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-ams-seapro2B529482 UP-, 81View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-cms2B529482 UP-, 81View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-cms-seapro2B529482 UP-, 81View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-pro-xs2B529482 UP-, 81View
Mercury 4-STROKE-EFI300-hp-4-6l-v8-verado2B529482 UP-, 81View
Mercury 4-STROKE-EFI300-hp-verado-6-cyl2B144123 THRU 2B578935-1View
Mercury 4-STROKE-EFI300-ros-hp-4-6l-v8-15-inch-midsection-racing1E054618 UP-, 81View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-15-inch-midsection-racing1E054618 UP-, 81View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-ams-racing1E081459 UP-, 81View
Mercury 4-STROKE-EFI300r-hp-4-6l-v8-racing1E080500 UP81View
Mercury 4-STROKE-EFI350-hp-2-6l-l6-pro-verado2B141124 THRU 3B342962-1View
Mercury 4-STROKE-EFI350-hp-2-6l-l6-verado2B141617 THRU 3B342962-1View
Mercury 4-STROKE-EFI350-hp-5-7l-v10-verado3B266064 THRU 3B57644881View
Mercury 4-STROKE-EFI350-hp-5-7l-v10-verado3B576449 UP81View
Mercury 4-STROKE-EFI350-hp-5-7l-v10-verado-seapro3B266064 UP81View
Mercury 4-STROKE-EFI360-hp-4-6l-v8-apx1E054247 UP81View
Mercury 4-STROKE-EFI400-hp-2-6l-l6-verado2B618256 THRU 3B342962-1View
Mercury 4-STROKE-EFI400-hp-5-7l-v10-verado3B266064 UP81View
Mercury 4-STROKE-EFI400r-hp-2-6l-l6-racing2B141124 THRU 3B342962-1View
Mercury 4-STROKE-EFI400r-hp-5-7l-v10-racing3B272954 UP81View
Mercury 4-STROKE-EFI425-hp-5-7l-v10-verado3B576447 UP81View
Mercury 4-STROKE-EFI450r-hp-4-6l-v8-racing1E083006 THRU 1E099720-, 81View
Mercury 4-STROKE-EFI500-hp-7-6l-v12-seapro3B060047 UP-1View
Mercury 4-STROKE-EFI500r-hp-4-6l-v8-racing1E099432 UP81View
Mercury 4-STROKE-EFI600-hp-7-6l-v12-verado3B060047 UP-1View

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Appears in diagrams of these models

  • 200R HP 3.4L V6 Racing
  • 300R HP 4.6L V8 Racing
  • 150R HP 3.4L V6
  • 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
  • 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 Pro XS
  • 300 HP 4.6L V8 Verado
  • 300 HP 4.6L V8
  • 300 ROS HP 4.6L V8 15 Inch Midsection Racing
  • 300R HP 4.6L V8 15 Inch Midsection Racing
  • 300R HP 4.6L V8 AMS Racing
  • 350 HP 5.7L V10 Verado
  • 4 HP Carb
  • 5 HP Carb
  • 175 HP 3.4L V6 Pro XS
  • 175 HP 3.4L V6
  • 200 HP 3.4L V6 APX
  • 225 HP 3.4L V6
  • 225 HP 4.6L V8 Pro XS
  • 225 HP 4.6L V8 SeaPro
  • 250 4.6L V8 APX
  • 250 HP 4.6L V8 Pro XS
  • 250 HP 4.6L V8 SeaPro
  • 250 HP 4.6L V8 Verado
  • 250 HP 4.6L V8
  • 250R HP 4.6L V8 Racing
  • 275 HP Verado 6 CYL
  • 300 HP Verado 6 CYL
  • 350 HP 2.6L L6 Pro Verado
  • 350 HP 2.6L L6 Verado
  • 350 HP 5.7L V10 Verado SeaPro
  • 360 HP 4.6L V8 APX