Globe Marine Run-Dry Model 815 Impeller for Oberdorfer 8514, B6593, Onan 132-0316 & Universal 295628 Made With Run-Dry-- Guaranteed to Run-Dry for Up to 15 Minutes 2" x 7/8" Deep, 1/2" shaft diameter, Single Flat Drive, 6 Blades. Contains impeller only - no gaskets. Replaces Oberdorfer 8514, B6593, Onan 132-0316, Westerbeke 295628 & Universal 295628 Don't get stranded out on the water-- order a spare impeller today. For Water applications. Made in the USA.