Mercury outboard spare part 648771 (DIAPHRAGM). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 75 3 CYL, 7.5, 75 HP, 125 4 CYL, 65 JET, 115 4 CYL, 225 (3.0L), 225 MARATHON (3.0L), 225 SEAPRO (3.0L), 100 4 CYL. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 648771 (DIAPHRAGM), documented in 172 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-CARB115-4-cyl0C100000 THRU 0D283221301View
Mercury 2-STROKE-CARB125-4-cyl0D283222 THRU 0G760299301View
Mercury 2-STROKE-CARB125-4-cyl0G760300 THRU 0T979999301View
Mercury 2-STROKE-CARB125-4-cyl0P017000 THRU 0P325499301View
Mercury 2-STROKE-CARB125-4-cyl0P325500 THRU 0P340986301View
Mercury 2-STROKE-CARB125-4-cyl0T980000 THRU 1B214144301View
Mercury 2-STROKE-CARB125-4-cyl1B000001 THRU 1B358950301View
Mercury 2-STROKE-CARB125-4-cyl9793577 THRU 0P016999301View
Mercury 2-STROKE-CARB225-3-0l0D280813 THRU 0G760299151View
Mercury 2-STROKE-CARB225-3-0l0G760300 THRU 0T408999151View
Mercury 2-STROKE-CARB225-marathon-3-0l0G245605 THRU 0G760299151View
Mercury 2-STROKE-CARB225-marathon-3-0l0G760300 THRU 0T408999151View
Mercury 2-STROKE-CARB225-seapro-3-0l0G245605 THRU 0G760299151View
Mercury 2-STROKE-CARB225-seapro-3-0l0G760300 THRU 0T408999151View
Mercury 2-STROKE-CARB65-jet0D283222 THRU 0G76029943, 441View
Mercury 2-STROKE-CARB65-jet9793577 THRU 0P01699943, 441View
Mercury 2-STROKE-CARB80-jet0D283222 THRU 0G760299321View
Mercury 2-STROKE-CARB80-jet0G760300 THRU 0T979999321View
Mercury 2-STROKE-CARB80-jet0P017000 THRU 0P325499321View
Mercury 2-STROKE-CARB80-jet0T980000 THRU 1B214144321View
Mercury 2-STROKE-CARB80-jet1B000001 THRU 1B358950321View
Mercury 2-STROKE-CARB80-jet9793577 THRU 0P016999321View
Mercury 2-STROKE-CARBv-140-international0T178500 THRU 1B226999101View
Mercury 2-STROKE-CARBv-150-magnum5600162 THRU 0A904645111View
Mercury 2-STROKE-CARBv-150-marathon5600162 THRU 0A904645111View
Mercury 2-STROKE-CARBv-150-work4868998 THRU 0A904645111View
Mercury 2-STROKE-CARBv-150-xr-24868998 THRU 0A904645111View
Mercury 2-STROKE-CARBv-15004868998 THRU 0A904645111View
Mercury 2-STROKE-CARBv-1750C100861 THRU 0C239552101View
Mercury 2-STROKE-CARBv-1750C239553 THRU 0D081999101View
Mercury 2-STROKE-CARBv-1750D082000 THRU 0G303045101View
Mercury 2-STROKE-CARBv-1750G303046 THRU 0G760299101View
Mercury 2-STROKE-CARBv-1750G760300 THRU 0G960499101View
Mercury 2-STROKE-CARBv-1754301235 THRU 0C100860101View
Mercury 2-STROKE-CARBv-1758058870 THRU 0B384939101View
Mercury 2-STROKE-DFI-OPTIMAX2-5xs-2-5l0T997974 THRU 1E00079618, 231View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G386496 THRU 0G589999141View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G590000 THRU 0G760299181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G760300 THRU 0G960499181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0G960500 THRU 0T178499181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T178500 THRU 0T598999141View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T599000 THRU 0T800999141View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l0T801000 THRU 1B417701181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B417702 THRU 1B504988181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B504989 THRU 1B912785181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B912786 THRU 2B535571181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l0T980000 THRU 1B417701181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B417702 THRU 1B504988181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B504989 THRU 1B964735181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B504989 THRU 1B912785181View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B912786 THRU 2B535571181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G590000 THRU 0G760299181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G760300 THRU 0G960499181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0G960500 THRU 0T178499181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T178500 THRU 0T598999141View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T599000 THRU 0T800999141View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l0T801000 THRU 1B417701181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B417702 THRU 1B504988181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B504989 THRU 2B535086181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l0T599000 THRU 1B417701181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B417702 THRU 1B504988181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B504989 THRU 1B964735181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-2-5l1E002584 THRU 1E050825181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-sport-xs-6-cyl-3-0l1E000797 THRU 1E002583181View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-xs-6-cyl-2-5l1E002584 THRU 1B792195181View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-6-cyl-3-0l1B528615 THRU 2B535086181View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-pro-xs-6-cyl-3-0l1B426561 THRU 1B752546191View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-sport-xs-6-cyl-2-5l1E002342 THRU 1E051823181View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-sport-xs-6-cyl-2-5l1E051824 THRU 1E052994181View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T651945 THRU 0T818042181View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T818043 THRU 0T997973181View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T997974 THRU 1E000796181View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E000797 THRU 1E002341181View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E002342 THRU 1E051113181View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l1E053158 THRU 1E053958181View
Mercury 2-STROKE-DFI-OPTIMAX3-0l-dsi-diesel-spark-ignition1E052967 THRU 1E054191181View
Mercury 2-STROKE-DFI-OPTIMAX300-hp-xs-6-cyl-3-2l1E001867 THRU 1E052057181View
Mercury 2-STROKE-DFI-OPTIMAX300-hp-xs-6-cyl-3-2l1E052058 THRU 1E053987181View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l0T997974 THRU 1E003045181View
Mercury 2-STROKE-DFI-OPTIMAXjp-3-0l1E003046 THRU 1E052824181View

Another 92 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

  • 75 3 CYL
  • 7.5, 75 HP
  • 125 4 CYL
  • 65 JET
  • 115 4 CYL
  • 225 (3.0L)
  • 225 MARATHON (3.0L)
  • 225 SEAPRO (3.0L)
  • 100 4 CYL