Mercury outboard spare part 850302A1 (BOTTOM COWL Port). 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), 250 HP XS 6 CYL (3.0L), 200 HP DTS 6 CYL (3.0L), 225 HP DTS 6 CYL (3.0L), 200 (3.0L), 250 (3.0L), 200 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), V-150 HP (2.5L), 2.5XS (2.5L), 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), 150/200 HP PRO MAX/SUPER MAG, 250 L (3.0L), V-150 HP (MAG), V-150 HP XRI. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 850302A1 (BOTTOM COWL Port), documented in 61 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB40-hp-2-cyl-product-of-usa5589202 THRU 559553111View
Mercury 2-STROKE-CARB40-hp-2-cyl-product-of-usa7146488 THRU 714723711View
Mercury 2-STROKE-CARB40-hp-2-cyl-product-of-usa8065265 THRU 806806411View
Mercury 2-STROKE-CARB40-hp-2-cyl-product-of-usa9256981 THRU 925828011View
Mercury 2-STROKE-DFI-OPTIMAX2-5xs-2-5l0T997974 THRU 1E00079611View
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-3-0l0T801000 THRU 1B41770111View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B504989 THRU 1B91278511View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B912786 THRU 2B53557111View
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-OPTIMAX200-hp-dts-6-cyl-3-0l1B504989 THRU 1B96473511View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B504989 THRU 1B91278511View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B912786 THRU 2B53557111View
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-3-0l0T801000 THRU 1B41770111View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B504989 THRU 2B53508611View
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-OPTIMAX225-hp-dts-6-cyl-3-0l1B504989 THRU 1B96473511View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-2-5l1E002584 THRU 1E05082511View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-3-0l1E000797 THRU 1E00258311View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-xs-6-cyl-2-5l1E002584 THRU 1B79219511View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-6-cyl-3-0l1B528615 THRU 2B53508611View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-sport-xs-6-cyl-2-5l1E002342 THRU 1E05182311View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-sport-xs-6-cyl-2-5l1E051824 THRU 1E05299411View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T651945 THRU 0T81804211View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T818043 THRU 0T99797311View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T997974 THRU 1E00079611View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E000797 THRU 1E00234111View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E002342 THRU 1E05111311View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E053158 THRU 1E05395811View
Mercury 2-STROKE-DFI-OPTIMAX3-0l-dsi-diesel-spark-ignition1E052967 THRU 1E05419111View
Mercury 2-STROKE-DFI-OPTIMAX300-hp-xs-6-cyl-3-2l1E001867 THRU 1E05205711View
Mercury 2-STROKE-DFI-OPTIMAX300-hp-xs-6-cyl-3-2l1E052058 THRU 1E05398711View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l0T997974 THRU 1E00304511View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l1E003046 THRU 1E05282411View
Mercury 2-STROKE-EFI150-200-hp-pro-max-super-mag0G610050 THRU 0G85699911View
Mercury 2-STROKE-EFI200-3-0l0T801000 THRU 1B41770111View
Mercury 2-STROKE-EFI200-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-EFI200-3-0l1B504989 THRU 2B52809611View
Mercury 2-STROKE-EFI250-3-0l0T801000 THRU 1B41770111View
Mercury 2-STROKE-EFI250-3-0l1B417702 THRU 1B50498811View
Mercury 2-STROKE-EFI250-3-0l1B504989 THRU 2B52809611View
Mercury 2-STROKE-EFI250-l-3-0l0T861319 THRU 1B11889711View
Mercury 2-STROKE-EFI3-0l-marathon0T409000 THRU 0T80099911View
Mercury 2-STROKE-EFI3-0l-seapro0T409000 THRU 0T80099911View
Mercury 2-STROKE-EFI300x-3-0l-pro-max0T235084 THRU 0T42993911View
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
Mercury 2-STROKE-EFIv-175xri0D000750 THRU 0D08199911View
Mercury 2-STROKE-EFIv-2000C100861 THRU 0C99999911View
Mercury 2-STROKE-EFIv-200xri0C291520 THRU 0D08199911View

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Appears in diagrams of these models

  • 200 HP 6 CYL (3.0L)
  • 225 HP 6 CYL (3.0L)
  • 250 HP XS 6 CYL (3.0L)
  • 200 HP DTS 6 CYL (3.0L)
  • 225 HP DTS 6 CYL (3.0L)
  • 200 (3.0L)
  • 250 (3.0L)
  • 200 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)
  • V-150 HP (2.5L)
  • 2.5XS (2.5L)
  • 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)
  • 150/200 HP PRO MAX/SUPER MAG
  • 250 L (3.0L)
  • V-150 HP (MAG)
  • V-150 HP XRI