Globe Marine Run-Dry&reg; Impeller Model 050SS for Jabsco 18815-0005 & 5929-0001, Johnson Pump 09-804B Made With Run-Dry-- Guaranteed to Run-Dry for Up to 15 Minutes 2-1/4" Outer Diameter X 1-1/4" Wide, 1/2" Shaft Diameter, Stainless Steel Ding Drive, 12 Blades Replaces Jabsco 5929-0001, 18815-005 and Johnson Pump 09-804B impellers. Fits Jabsco Pump 11810 Don't get stranded out on the water -- order a spare impeller today. Stainless Steel Core. Water applications only. For diesel fuel, order 050SS RED. Made in the USA. Does not include gaskets or O-rings.