Mercury outboard spare part 859399T18 (GEAR HOUSING ASSEMBLY Basic). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 200 HP 6 CYL (3.0L), 225 HP 6 CYL (3.0L), 225 (3.0L), 225 MARATHON (3.0L), 225 SEAPRO (3.0L), 200 HP DTS 6 CYL (3.0L). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 859399T18 (GEAR HOUSING ASSEMBLY Basic), documented in 44 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB225-3-0l0G760300 THRU 0T40899911View
Mercury 2-STROKE-CARB225-marathon-3-0l0G760300 THRU 0T40899911View
Mercury 2-STROKE-CARB225-seapro-3-0l0G760300 THRU 0T40899911View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G590000 THRU 0G76029911View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G760300 THRU 0G96049911View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G960500 THRU 0T17849911View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T178500 THRU 0T59899911View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T599000 THRU 0T80099911View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T801000 THRU 1B41770111View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l0T980000 THRU 1B41770111View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G590000 THRU 0G76029911View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G760300 THRU 0G96049911View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G960500 THRU 0T17849911View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T178500 THRU 0T59899911View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T599000 THRU 0T80099911View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T801000 THRU 1B41770111View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l0T599000 THRU 1B41770111View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-DFI-OPTIMAX3-0l-dsi-diesel-spark-ignition1E052967 THRU 1E05419111View
Mercury 2-STROKE-EFI200-3-0l0T750164 THRU 0T80099911View
Mercury 2-STROKE-EFI200-3-0l0T801000 THRU 1B41770111View
Mercury 2-STROKE-EFI200-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-EFI225-3-0l0G760300 THRU 0T40899911View
Mercury 2-STROKE-EFI225-3-0l0T409000 THRU 0T80099911View
Mercury 2-STROKE-EFI225-3-0l0T801000 THRU 1B41770111View
Mercury 2-STROKE-EFI225-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-EFI225-3-0l-marathon0T801000 THRU 1B41770111View
Mercury 2-STROKE-EFI225-3-0l-seapro0T801000 THRU 1B41770111View
Mercury 2-STROKE-EFI250-3-0l0G760300 THRU 0T40899911View
Mercury 2-STROKE-EFI250-3-0l0T409000 THRU 0T80099911View
Mercury 2-STROKE-EFI250-3-0l0T801000 THRU 1B41770111View
Mercury 2-STROKE-EFI250-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-EFI3-0l-marathon0T409000 THRU 0T80099911View
Mercury 2-STROKE-EFI3-0l-seapro0T409000 THRU 0T80099911View
Mercury 2-STROKE-EFIv-150-hp0G760300 THRU 0G96049911View
Mercury 2-STROKE-EFIv-150-hp0G960500 THRU 0T40899911View
Mercury 2-STROKE-EFIv-150-hp-2-5l0T409000 THRU 0T80099911View
Mercury 2-STROKE-EFIv-150-hp-2-5l0T801000 THRU 1B22699911View
Mercury 2-STROKE-EFIv-150-hp-2-5l1B227000 THRU 2B12104811View
Mercury 2-STROKE-EFIv-150-hp-mag0D082000 THRU 0G30304511View
Mercury 2-STROKE-EFIv-150-hp-xri0D082000 THRU 0G30304511View

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Appears in diagrams of these models

  • 200 HP 6 CYL (3.0L)
  • 225 HP 6 CYL (3.0L)
  • 225 (3.0L)
  • 225 MARATHON (3.0L)
  • 225 SEAPRO (3.0L)
  • 200 HP DTS 6 CYL (3.0L)