Jabsco 10-Blade Impeller The Jabsco 10-Blade Impeller can handle a wide range of oils, oil and water emulsions, diesel fuel, lower fraction hydrocarbons, kerosene, lubricating and machine cutting oil. It will fit a variety of pumps in marine applications including marine engine water pumps and bilge pumps and will offer compatibility with oil products. This impeller will operate best in temperatures ranging from 50F to 180F. Lower temperatures will affect its priming ability and performance char