Mercury outboard spare part 878410A1 (PO CHECK KIT). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits V-150, 200 HP 6 CYL (3.0L), V-135, V-200, 225 HP 6 CYL (3.0L), 140 JET, XR-6 / MAGNUM III, 175 HP V6 CYL (2.5L), 200 HP DTS 6 CYL (3.0L), 200 HP Pro XS 6 CYL (3.0L), 110 Jet (2.5L), 225 (3.0L), 225 MARATHON (3.0L), 225 SEAPRO (3.0L), V-140 (INTERNATIONAL), 135 HP V6 CYL (2.5L), 150 HP V6 CYL (2.5L), 175 HP Pro XS 6 CYL (2.5L), 2.5XS (2.5L). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 878410A1 (PO CHECK KIT), documented in 104 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB110-jet-2-5l1B690542 THRU 1B97422771View
Mercury 2-STROKE-CARB225-3-0l0G760300 THRU 0T40899971View
Mercury 2-STROKE-CARB225-marathon-3-0l0G760300 THRU 0T40899971View
Mercury 2-STROKE-CARB225-seapro-3-0l0G760300 THRU 0T40899971View
Mercury 2-STROKE-CARBv-140-international0T178500 THRU 1B22699971View
Mercury 2-STROKE-CARBv-1500C100861 THRU 0C23955271View
Mercury 2-STROKE-CARBv-1500C239553 THRU 0D08199971View
Mercury 2-STROKE-CARBv-1500D082000 THRU 0G30304571View
Mercury 2-STROKE-CARBv-1500G303046 THRU 0G76029971View
Mercury 2-STROKE-CARBv-1500G760300 THRU 0G96049971View
Mercury 2-STROKE-CARBv-1500G960500 THRU 1B22699971View
Mercury 2-STROKE-CARBv-1504868998 THRU 0A90464571View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-pro-xs-6-cyl-2-5l1B516339 THRU 2B53562471View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T178500 THRU 0T80099971View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T801000 THRU 1B22699971View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l1B227000 THRU 1B41770171View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l1B417702 THRU 1B50845771View
Mercury 2-STROKE-DFI-OPTIMAX2-5xs-2-5l0T997974 THRU 1E00079671View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G590000 THRU 0G76029971View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G760300 THRU 0G96049971View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G960500 THRU 0T17849971View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T178500 THRU 0T59899971View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T801000 THRU 1B41770171View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B417702 THRU 1B50498871View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B912786 THRU 2B53557171View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l0T980000 THRU 1B41770171View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B417702 THRU 1B50498871View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B504989 THRU 1B96473571View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B912786 THRU 2B53557171View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G590000 THRU 0G76029971View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G760300 THRU 0G96049971View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G960500 THRU 0T17849971View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T178500 THRU 0T59899971View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T801000 THRU 1B41770171View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B417702 THRU 1B50498871View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l0T599000 THRU 1B41770171View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B417702 THRU 1B50498871View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B504989 THRU 1B96473571View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-2-5l1E002584 THRU 1E05082571View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-3-0l1E000797 THRU 1E00258371View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-xs-6-cyl-2-5l1E002584 THRU 1B79219571View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-pro-xs-6-cyl-3-0l1B426561 THRU 1B75254671View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-sport-xs-6-cyl-2-5l1E002342 THRU 1E05182371View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-sport-xs-6-cyl-2-5l1E051824 THRU 1E05299471View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T651945 THRU 0T81804271View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T818043 THRU 0T99797371View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E000797 THRU 1E00234171View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E002342 THRU 1E05111371View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E053158 THRU 1E05395871View
Mercury 2-STROKE-DFI-OPTIMAX3-0l-dsi-diesel-spark-ignition1E052967 THRU 1E05419171View
Mercury 2-STROKE-DFI-OPTIMAX300-hp-xs-6-cyl-3-2l1E001867 THRU 1E05205771View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l0T997974 THRU 1E00304571View
Mercury 2-STROKE-EFI200-3-0l0T750164 THRU 0T80099971View
Mercury 2-STROKE-EFI200-3-0l0T801000 THRU 1B41770171View
Mercury 2-STROKE-EFI200-3-0l1B417702 THRU 1B50498871View
Mercury 2-STROKE-EFI200-3-0l1B504989 THRU 2B52809671View
Mercury 2-STROKE-EFI200-efi-pro-max-super-mag0D935000 THRU 0G61007971View
Mercury 2-STROKE-EFI225-3-0l0G760300 THRU 0T40899971View
Mercury 2-STROKE-EFI225-3-0l0T801000 THRU 1B41770171View
Mercury 2-STROKE-EFI225-3-0l1B417702 THRU 1B50498871View
Mercury 2-STROKE-EFI225-3-0l1B504989 THRU 2B52809671View
Mercury 2-STROKE-EFI225-3-0l-marathon0T801000 THRU 1B41770171View
Mercury 2-STROKE-EFI225-3-0l-seapro0T801000 THRU 1B41770171View
Mercury 2-STROKE-EFI225x-efi-promax0T430254 THRU 0T81960571View
Mercury 2-STROKE-EFI250-3-0l0G129222 THRU 0G76029971View
Mercury 2-STROKE-EFI250-3-0l0G760300 THRU 0T40899971View
Mercury 2-STROKE-EFI250-3-0l0T409000 THRU 0T80099971View
Mercury 2-STROKE-EFI250-3-0l0T801000 THRU 1B41770171View
Mercury 2-STROKE-EFI250-3-0l1B417702 THRU 1B50498871View
Mercury 2-STROKE-EFI250-3-0l1B504989 THRU 2B52809671View
Mercury 2-STROKE-EFI250-l-3-0l0T861319 THRU 1B11889771View
Mercury 2-STROKE-EFI250xb-3-0l0G980600 THRU 0T80099971View
Mercury 2-STROKE-EFI3-0l-marathon0T409000 THRU 0T80099971View
Mercury 2-STROKE-EFI3-0l-seapro0T409000 THRU 0T80099971View
Mercury 2-STROKE-EFI300x-3-0l-pro-max0T235084 THRU 0T42993974View
Mercury 2-STROKE-EFI300x-3-0l-pro-max0T429940 THRU 0T99958771View
Mercury 2-STROKE-EFIv-150-hp0G960500 THRU 0T40899971View
Mercury 2-STROKE-EFIv-150-hp-2-5l0T801000 THRU 1B22699971View
Mercury 2-STROKE-EFIv-150-hp-2-5l1B227000 THRU 2B12104871View
Mercury 2-STROKE-EFIv-150-hp-mag0D082000 THRU 0G30304571View

Another 24 location(s) are recorded but not listed here. Use the model links above to open the matching diagram.

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Appears in diagrams of these models

  • V-150
  • 200 HP 6 CYL (3.0L)
  • V-135
  • V-200
  • 225 HP 6 CYL (3.0L)
  • 140 JET
  • XR-6 / MAGNUM III
  • 175 HP V6 CYL (2.5L)
  • 200 HP DTS 6 CYL (3.0L)
  • 200 HP Pro XS 6 CYL (3.0L)
  • 110 Jet (2.5L)
  • 225 (3.0L)
  • 225 MARATHON (3.0L)
  • 225 SEAPRO (3.0L)
  • V-140 (INTERNATIONAL)
  • 135 HP V6 CYL (2.5L)
  • 150 HP V6 CYL (2.5L)
  • 175 HP Pro XS 6 CYL (2.5L)
  • 2.5XS (2.5L)