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