Globe Marine Run-Dry&reg; Model 418 Impeller Replaces Jabsco 22799-0001, Ancor J050016, CEF 500129, Vetus IMP 00101, Yanmar 124223-42090 Made With Run-Dry-- Only Impeller in the World Guaranteed to Run-Dry for Up to 15 Minutes 2" Diameter x 7/8" Wide, 1/2" shaft diameter, Keyway Drive, 6 Blades Replaces Jabsco 22799-0001, Yamaha 12422342091, DJ Pump 08-37-0601, Ancor J050016, CEF 500129, Vetus IMP 00101, Yanmar 124223-42090 Don't get stranded out on the water -- order a spare impeller too. Brass Core. Made in the USA. For water applications only. Includes impeller - does not include gaskets or O-rings.