Dimo Marine

818574SEAL

Fits models / variants:

Mercury outboard spare part 818574 (SEAL). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 300X (3.0L) PRO MAX, 250 HP XS 6 CYL (3.0L), 200 HP 6 CYL (3.0L), 225 (3.0L), 250 (3.0L), 200 HP DTS 6 CYL (3.0L), 225 HP 6 CYL (3.0L), 225 HP DTS 6 CYL (3.0L), 200 (3.0L), 200 HP Pro XS 6 CYL (3.0L), 250 HP Pro XS 6 CYL (3.0L), 250 HP Sport XS 6 CYL (2.5L), 300 HP XS 6 CYL (3.2L), JP (3.0L), 225 HP SPORT XS 6 CYL (2.5L), 225 HP Sport XS 6 CYL (3.0L), 225 HP XS 6 CYL (2.5L), 250 HP 6 CYL (3.0L), 3.0L DSI (Diesel Spark Ignition), 225 (3.0L) MARATHON, 225 (3.0L) SEAPRO, 250 L (3.0L). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 818574 (SEAL), documented in 73 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB225-3-0l0D280813 THRU 0G760299442View
Mercury 2-STROKE-CARB225-3-0l0G760300 THRU 0T408999442View
Mercury 2-STROKE-CARB225-marathon-3-0l0G245605 THRU 0G760299442View
Mercury 2-STROKE-CARB225-marathon-3-0l0G760300 THRU 0T408999442View
Mercury 2-STROKE-CARB225-seapro-3-0l0G245605 THRU 0G760299442View
Mercury 2-STROKE-CARB225-seapro-3-0l0G760300 THRU 0T408999442View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G590000 THRU 0G760299272View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G760300 THRU 0G960499272View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G960500 THRU 0T178499372View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T801000 THRU 1B4177010, 272View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B417702 THRU 1B5049880, 272View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B504989 THRU 1B912785272View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B912786 THRU 2B5355710, 272View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l0T980000 THRU 1B4177010, 272View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B417702 THRU 1B5049880, 272View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B504989 THRU 1B9647350, 272View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B504989 THRU 1B912785272View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B912786 THRU 2B5355710, 272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G590000 THRU 0G760299272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G760300 THRU 0G960499272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G960500 THRU 0T178499372View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T801000 THRU 1B4177010, 272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B417702 THRU 1B5049880, 272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B504989 THRU 2B535086272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l0T599000 THRU 1B4177010, 272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B417702 THRU 1B5049880, 272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B504989 THRU 1B9647350, 272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-pro-xs-6-cyl-3-0l1B104549 THRU 1B426560272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-2-5l1E002584 THRU 1E0508250, 272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-3-0l1E000797 THRU 1E0025830, 272View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-xs-6-cyl-2-5l1E002584 THRU 1B7921950, 272View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-6-cyl-3-0l1B528615 THRU 2B535086272View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-pro-xs-6-cyl-3-0l1B426561 THRU 1B752546-, 272View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-pro-xs-6-cyl-3-0l1B752547 THRU 2B535608272View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-sport-xs-6-cyl-2-5l1E002342 THRU 1E0518230, 272View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-sport-xs-6-cyl-2-5l1E051824 THRU 1E0529940, 272View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T651945 THRU 0T818042372View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T818043 THRU 0T9979730, 272View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T997974 THRU 1E0007960, 272View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E000797 THRU 1E0023410, 272View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E002342 THRU 1E0511130, 272View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E053158 THRU 1E0539580, 272View
Mercury 2-STROKE-DFI-OPTIMAX3-0l-dsi-diesel-spark-ignition1E052967 THRU 1E0541910, 272View
Mercury 2-STROKE-DFI-OPTIMAX300-hp-xs-6-cyl-3-2l1E001867 THRU 1E0520570, 272View
Mercury 2-STROKE-DFI-OPTIMAX300-hp-xs-6-cyl-3-2l1E052058 THRU 1E053987272View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l0T997974 THRU 1E003045272View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l1E003046 THRU 1E0528240, 272View
Mercury 2-STROKE-EFI200-3-0l0T750164 THRU 0T800999342View
Mercury 2-STROKE-EFI200-3-0l0T801000 THRU 1B4177010, 342View
Mercury 2-STROKE-EFI200-3-0l1B417702 THRU 1B5049880, 342View
Mercury 2-STROKE-EFI200-3-0l1B504989 THRU 2B5280960, 342View
Mercury 2-STROKE-EFI225-3-0l0G129222 THRU 0G760299412View
Mercury 2-STROKE-EFI225-3-0l0G760300 THRU 0T408999302View
Mercury 2-STROKE-EFI225-3-0l0T409000 THRU 0T800999412View
Mercury 2-STROKE-EFI225-3-0l0T801000 THRU 1B4177010, 342View
Mercury 2-STROKE-EFI225-3-0l1B417702 THRU 1B5049880, 342View
Mercury 2-STROKE-EFI225-3-0l1B504989 THRU 2B5280960, 342View
Mercury 2-STROKE-EFI225-3-0l-marathon0T801000 THRU 1B4177010, 342View
Mercury 2-STROKE-EFI225-3-0l-seapro0T801000 THRU 1B4177010, 342View
Mercury 2-STROKE-EFI250-3-0l0G129222 THRU 0G760299412View
Mercury 2-STROKE-EFI250-3-0l0G760300 THRU 0T408999302View
Mercury 2-STROKE-EFI250-3-0l0T409000 THRU 0T800999412View
Mercury 2-STROKE-EFI250-3-0l0T801000 THRU 1B4177010, 342View
Mercury 2-STROKE-EFI250-3-0l1B417702 THRU 1B5049880, 342View
Mercury 2-STROKE-EFI250-3-0l1B504989 THRU 2B5280960, 342View
Mercury 2-STROKE-EFI250-l-3-0l0T861319 THRU 1B1188970, 342View
Mercury 2-STROKE-EFI250xb-3-0l0G980600 THRU 0T800999412View
Mercury 2-STROKE-EFI3-0l-marathon0T409000 THRU 0T800999342View
Mercury 2-STROKE-EFI3-0l-seapro0T409000 THRU 0T800999342View
Mercury 2-STROKE-EFI300-3-0l-promax0G610221 THRU 0T105297342View
Mercury 2-STROKE-EFI300-3-0l-supermagnum0G610221 THRU 0T105297342View
Mercury 2-STROKE-EFI300x-3-0l-pro-max0T235084 THRU 0T429939272View
Mercury 2-STROKE-EFI300x-3-0l-pro-max0T429940 THRU 0T999587272View

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Appears in diagrams of these models

  • 300X (3.0L) PRO MAX
  • 250 HP XS 6 CYL (3.0L)
  • 200 HP 6 CYL (3.0L)
  • 225 (3.0L)
  • 250 (3.0L)
  • 200 HP DTS 6 CYL (3.0L)
  • 225 HP 6 CYL (3.0L)
  • 225 HP DTS 6 CYL (3.0L)
  • 200 (3.0L)
  • 200 HP Pro XS 6 CYL (3.0L)
  • 250 HP Pro XS 6 CYL (3.0L)
  • 250 HP Sport XS 6 CYL (2.5L)
  • 300 HP XS 6 CYL (3.2L)
  • JP (3.0L)
  • 225 HP SPORT XS 6 CYL (2.5L)
  • 225 HP Sport XS 6 CYL (3.0L)
  • 225 HP XS 6 CYL (2.5L)
  • 250 HP 6 CYL (3.0L)
  • 3.0L DSI (Diesel Spark Ignition)
  • 225 (3.0L) MARATHON
  • 225 (3.0L) SEAPRO
  • 250 L (3.0L)