Mercury outboard spare part 8280401 (PRESSURE SWITCH). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 40 HP EFI 4 CYL, 40 HP Carb 3 CYL, 115 HP 3 CYL (1.5L), 75 HP 3 CYL (1.5L), 90 HP 3 CYL (1.5L), 25 HP Carb, 80 HP Jet 3 CYL (1.5L), 30 HP Carb 3 CYL, 40 HP Carb ITALY, 45 HP Carb BODENSEE, 50 HP Carb BIGFOOT, 50 HP Carb, 75 HP Carb BODENSEE, 75 HP Carb, 90 HP Carb, 30 HP EFI 3 CYL, 40 HP EFI 3 CYL, 40 HP EFI Jet 4 CYL, 115 HP Pro XS 3 CYL (1.5L), 115 HP V6 CYL (2.5L), 125 HP 3 CYL (1.5L), 25 HP Carb SeaPro. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8280401 (PRESSURE SWITCH), documented in 73 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX, 4-STROKE-CARB, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-DFI-OPTIMAX115-hp-3-cyl-1-5l0T801000 THRU 1B226999131View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-3-cyl-1-5l1B227000 THRU 1B417701131View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-3-cyl-1-5l1B417702 THRU 1B736885131View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-3-cyl-1-5l1B736885 THRU 2B018763131View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-pro-xs-3-cyl-1-5l1B751825 THRU 2B123429131View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-v6-cyl-2-5l0G960500 THRU 0T178499131View
Mercury 2-STROKE-DFI-OPTIMAX125-hp-3-cyl-1-5l1B736885 THRU 2B112787131View
Mercury 2-STROKE-DFI-OPTIMAX75-hp-3-cyl-1-5l0T980000 THRU 1B226999131View
Mercury 2-STROKE-DFI-OPTIMAX75-hp-3-cyl-1-5l1B227000 THRU 1B417701131View
Mercury 2-STROKE-DFI-OPTIMAX75-hp-3-cyl-1-5l1B417702 THRU 1B736885131View
Mercury 2-STROKE-DFI-OPTIMAX75-hp-3-cyl-1-5l1B736885 THRU 2B112577131View
Mercury 2-STROKE-DFI-OPTIMAX80-hp-jet-3-cyl-1-5l1B586067 THRU 1B736885131View
Mercury 2-STROKE-DFI-OPTIMAX80-hp-jet-3-cyl-1-5l1B736885 THRU 2B111840131View
Mercury 2-STROKE-DFI-OPTIMAX90-hp-3-cyl-1-5l0T801000 THRU 1B226999131View
Mercury 2-STROKE-DFI-OPTIMAX90-hp-3-cyl-1-5l1B227000 THRU 1B417701131View
Mercury 2-STROKE-DFI-OPTIMAX90-hp-3-cyl-1-5l1B417702 THRU 1B736885131View
Mercury 2-STROKE-DFI-OPTIMAX90-hp-3-cyl-1-5l1B736885 THRU 1B974258131View
Mercury 4-STROKE-CARB25-hp-carb0P153500 THRU 0P388282151View
Mercury 4-STROKE-CARB25-hp-carb0T409000 THRU 1B344298151View
Mercury 4-STROKE-CARB25-hp-carb9973100 THRU 0P016999151View
Mercury 4-STROKE-CARB25-hp-carb-seapro0R051710 UP151View
Mercury 4-STROKE-CARB30-hp-carb-3-cyl0P153500 THRU 0P400999151View
Mercury 4-STROKE-CARB30-hp-carb-3-cyl0T409000 THRU 1B226999151View
Mercury 4-STROKE-CARB40-hp-carb-3-cyl0P153500 THRU 0P400999131View
Mercury 4-STROKE-CARB40-hp-carb-3-cyl0P401000 THRU 1B344306131View
Mercury 4-STROKE-CARB40-hp-carb-3-cyl0T409000 THRU 1B226999131View
Mercury 4-STROKE-CARB40-hp-carb-3-cyl1B227000 THRU 1B344306131View
Mercury 4-STROKE-CARB40-hp-carb-3-cyl1C000001 THRU 1C018825131View
Mercury 4-STROKE-CARB40-hp-carb-3-cyl1C018826 THRU 1C739634131View
Mercury 4-STROKE-CARB40-hp-carb-italy0G760300 THRU 0T178499131View
Mercury 4-STROKE-CARB40-hp-carb-italy0P017000 THRU 0P094499131View
Mercury 4-STROKE-CARB45-hp-carb-bodensee0G760300 THRU 0T178499131View
Mercury 4-STROKE-CARB45-hp-carb-bodensee0P017000 THRU 0P094499131View
Mercury 4-STROKE-CARB50-hp-carb0G760300 THRU 0T178499131View
Mercury 4-STROKE-CARB50-hp-carb0P017000 THRU 0P094499131View
Mercury 4-STROKE-CARB50-hp-carb-bigfoot0G760300 THRU 0T178499131View
Mercury 4-STROKE-CARB50-hp-carb-bigfoot0P017000 THRU 0P094499131View
Mercury 4-STROKE-CARB75-hp-carb0G960500 THRU 0T800999131View
Mercury 4-STROKE-CARB75-hp-carb0T801000 THRU 1B226999131View
Mercury 4-STROKE-CARB75-hp-carb-bodensee0G960500 THRU 0T800999131View
Mercury 4-STROKE-CARB75-hp-carb-bodensee0T801000 THRU 1B226999131View
Mercury 4-STROKE-CARB90-hp-carb0G960500 THRU 0T800999131View
Mercury 4-STROKE-CARB90-hp-carb0T801000 THRU 1B226999131View
Mercury 4-STROKE-EFI30-hp-efi-3-cyl1C109093 THRU 1C456299351View
Mercury 4-STROKE-EFI40-hp-efi-3-cyl1C043417 THRU 1C456299351View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P153500 THRU 0P400999351View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P401000 THRU 0P515896351View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0P515897 THRU 0P580772351View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl0T409000 THRU 1B355222351View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C000001 THRU 1C050251351View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C050252 THRU 1C453839351View
Mercury 4-STROKE-EFI40-hp-efi-4-cyl1C453840 UP351View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C051324 THRU 1C453839351View
Mercury 4-STROKE-EFI40-hp-efi-jet-4-cyl1C453840 UP351View
Mercury 4-STROKE-EFI40-hp-efi-seapro-4-cyl1C453840 UP351View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P153500 THRU 0P400999351View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P401000 THRU 0P515896351View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0P515897 THRU 0P580772351View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl0T409000 THRU 1B355222351View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C000001 THRU 1C050251351View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C050252 THRU 1C453839351View
Mercury 4-STROKE-EFI50-hp-efi-4-cyl1C453840 UP351View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P153500 THRU 0P400999351View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P401000 THRU 0P515896351View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0P515897 THRU 0P580772351View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl0T409000 THRU 1B355222351View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C000001 THRU 1C050251351View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C050252 THRU 1C453839351View
Mercury 4-STROKE-EFI60-hp-efi-4-cyl1C453840 UP351View
Mercury 4-STROKE-EFI60-hp-efi-seapro-4-cyl1C453840 UP351View
Mercury 4-STROKE-EFI60r-hp-efi-racing1C615064 UP351View
Mercury 4-STROKE-EFI75-hp-efi1B366823 THRU 2B094995351View
Mercury 4-STROKE-EFIformula-601C104574 THRU 1C782687351View

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Appears in diagrams of these models

  • 40 HP EFI 4 CYL
  • 40 HP Carb 3 CYL
  • 115 HP 3 CYL (1.5L)
  • 75 HP 3 CYL (1.5L)
  • 90 HP 3 CYL (1.5L)
  • 25 HP Carb
  • 80 HP Jet 3 CYL (1.5L)
  • 30 HP Carb 3 CYL
  • 40 HP Carb ITALY
  • 45 HP Carb BODENSEE
  • 50 HP Carb BIGFOOT
  • 50 HP Carb
  • 75 HP Carb BODENSEE
  • 75 HP Carb
  • 90 HP Carb
  • 30 HP EFI 3 CYL
  • 40 HP EFI 3 CYL
  • 40 HP EFI Jet 4 CYL
  • 115 HP Pro XS 3 CYL (1.5L)
  • 115 HP V6 CYL (2.5L)
  • 125 HP 3 CYL (1.5L)
  • 25 HP Carb SeaPro