AULINK Sea Water Pump (Original Copper Impeller) The bearings are made of the best C&U bearings 8M0113734 3853850 8503991 18-684M. 8M0113734, 8503991, 850399, 17437, 850399002, 878341, 811841. 【Better Performance】Top grade bearing inside,Durable and unitized seal ensures leak-free pump performance,Vibration polishing processing make the housing more shinning and non-corrosive.
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