Globe Run-Dry Model 7501 Impeller Replaces Jabsco 14750-0001 Made with Run-Dry. Only impeller in the world guaranteed to run-dry for up to 15 minutes 1-1/4" diameter x 15/32" wide, 5/16" shaft diameter, single flat drive, 8 blades. Includes gaskets and O-rings. Replaces Jabsco 14750-0001 impellers. Don't get stranded out in the water--order a spare impeller today. Composite core. Made in the USA. For water applications only.