Mercury outboard spare part 18321 (CLAMP Mounting). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 6 HP, V-135, 140 JET, 105 JET, 225 (3.0L), 225 MARATHON (3.0L), 225 SEAPRO (3.0L), 250/275. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 18321 (CLAMP Mounting), documented in 112 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI, 4-STROKE-EFI, ELECTRIC series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB105-jet0D082000 THRU 0G30304561View
Mercury 2-STROKE-CARB140-jet0D082000 THRU 0G30304561View
Mercury 2-STROKE-CARB225-3-0l0G760300 THRU 0T40899961View
Mercury 2-STROKE-CARB225-marathon-3-0l0G760300 THRU 0T40899961View
Mercury 2-STROKE-CARB225-seapro-3-0l0G760300 THRU 0T40899961View
Mercury 2-STROKE-CARB250-2750C101891 THRU 0D224591251View
Mercury 2-STROKE-CARB6-hp0A197112 THRU 0D280999341View
Mercury 2-STROKE-CARB6-hp0D281000 THRU 0G760299341View
Mercury 2-STROKE-CARB6-hp0G760300 THRU 0T800999341View
Mercury 2-STROKE-CARB6-hp0P017000 THRU 0P325499341View
Mercury 2-STROKE-CARB6-hp0P325500 THRU 0P334727341View
Mercury 2-STROKE-CARB6-hp9461526 THRU 9792199341View
Mercury 2-STROKE-CARB6-hp9792200 THRU 0P016999341View
Mercury 2-STROKE-CARBv-140-international0T178500 THRU 1B22699961View
Mercury 2-STROKE-CARBv-1750C100861 THRU 0C239552311View
Mercury 2-STROKE-CARBv-1750C239553 THRU 0D081999181View
Mercury 2-STROKE-CARBv-1750D082000 THRU 0G303045181View
Mercury 2-STROKE-CARBv-1750G303046 THRU 0G760299181View
Mercury 2-STROKE-CARBv-1750G760300 THRU 0G960499181View
Mercury 2-STROKE-CARBv-1754301235 THRU 0C100860181View
Mercury 2-STROKE-CARBv-1758058870 THRU 0B384939181View
Mercury 2-STROKE-CARBv-175-ski0D082000 THRU 0G30304561View
Mercury 2-STROKE-CARBv-2000C100861 THRU 0C291519312View
Mercury 2-STROKE-CARBv-2000D082000 THRU 0G303045312View
Mercury 2-STROKE-CARBv-2000G303046 THRU 0G760299312View
Mercury 2-STROKE-CARBv-2000G760300 THRU 0G960499312View
Mercury 2-STROKE-CARBv-2000G960500 THRU 1B226999312View
Mercury 2-STROKE-CARBv-2005239232 THRU 0C100860312View
Mercury 2-STROKE-CARBv-200-2-5l-1991-only0C291520 THRU 0D08199961View
Mercury 2-STROKE-CARBxr-6-magnum-iii0D082000 THRU 0G30304561View
Mercury 2-STROKE-DFI-OPTIMAX115-hp-v6-cyl-2-5l0G960500 THRU 0T17849961View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0G590000 THRU 0G76029961View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0G760300 THRU 0G96049961View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0G960500 THRU 0T17849961View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0T178500 THRU 0T80099961View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0T801000 THRU 1B22699961View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l1B227000 THRU 1B41770161View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l1B417702 THRU 1B73749561View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0G590000 THRU 0G76029961View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-pro-xs-6-cyl-2-5l1B516339 THRU 2B53562461View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G386496 THRU 0G58999961View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G590000 THRU 0G76029934, 61View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G760300 THRU 0G96049934, 61View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G960500 THRU 0T17849934, 61View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T801000 THRU 1B417701341View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B417702 THRU 1B504988341View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B504989 THRU 1B912785341View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B912786 THRU 2B535571341View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B417702 THRU 1B504988341View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B504989 THRU 1B964735341View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B504989 THRU 1B912785341View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B912786 THRU 2B535571341View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G590000 THRU 0G76029934, 61View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G760300 THRU 0G96049934, 61View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G960500 THRU 0T17849934, 61View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T801000 THRU 1B417701341View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B417702 THRU 1B504988341View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B504989 THRU 2B535086341View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l0T599000 THRU 1B417701341View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B417702 THRU 1B504988341View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B504989 THRU 1B964735341View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-2-5l1E002584 THRU 1E050825341View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-3-0l1E000797 THRU 1E002583341View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-xs-6-cyl-2-5l1E002584 THRU 1B792195341View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-6-cyl-3-0l1B528615 THRU 2B535086341View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-sport-xs-6-cyl-2-5l1E002342 THRU 1E051823341View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-sport-xs-6-cyl-2-5l1E051824 THRU 1E052994341View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T651945 THRU 0T818042341View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T818043 THRU 0T997973341View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T997974 THRU 1E000796341View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E000797 THRU 1E002341341View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E002342 THRU 1E051113341View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E053158 THRU 1E053958341View
Mercury 2-STROKE-DFI-OPTIMAX3-0l-dsi-diesel-spark-ignition1E052967 THRU 1E054191341View
Mercury 2-STROKE-DFI-OPTIMAX300-hp-xs-6-cyl-3-2l1E001867 THRU 1E052057341View
Mercury 2-STROKE-DFI-OPTIMAX300-hp-xs-6-cyl-3-2l1E052058 THRU 1E053987341View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l0T997974 THRU 1E00304534, 61View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l1E003046 THRU 1E05282434, 61View
Mercury 2-STROKE-EFI150-200-hp-pro-max-super-mag0G610050 THRU 0G85699961View
Mercury 2-STROKE-EFI150-hp-pro-max-super-mag0D935000 THRU 0G61004961View

Another 32 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

  • 6 HP
  • V-135
  • 140 JET
  • 105 JET
  • 225 (3.0L)
  • 225 MARATHON (3.0L)
  • 225 SEAPRO (3.0L)
  • 250/275