Globe Marine Run-Dry&reg; Model 2001 Impeller for Jabsco 17954-0001, Sierra 18-3087, Mercury Marine 47-59362, 47-593621, 47-59362A1, 47-59362B1, 47-59362T1, CEF 500214 Made With Run-Dry-- Guaranteed to Run-Dry for Up to 15 Minutes 2-5/8" Diameter x 2" Wide, 3/4" shaft diameter, Single Flat Drive, 8 Blades Jabsco 17954-0001, Sierra 18-3087, Mercury Marine 47-59362, 47-593621, 47-59362A1, 47-59362B1, 47-59362T1, CEF 500214 Don't get stranded out on the water -- order a spare impeller today. For water applications only. Does not include gaskets or O-rings. Made in USA