Quicksilver 21-857005A1 Carburetor Diaphragm Kit for Select 30-65hp Mercury and Mariner 2-Cycle Outboards

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Replacement diaphragm kit 857005A1 is for select 30-65hp Mercury and Mariner 2-stroke outboards. See your owner's manual or service manual for specific application and installation instructions.Product Details Manufacturer part number: 21-857005A1 12-piece kit to rebuild/repair carburetor diaphragm on select 30-65hp, Mercury and Mariner 2-stroke outboards Kit includes fuel pump diaphragms, gaskets, check valves, spring, cap and screws Fuel Pump Diaphragm Kit for Mercury Marine Outboards. Show more