Globe Marine Run-Dry Model 6541 Impeller for Jabsco 1133-0001, 3398-0001, 673-001 & Johnson 09-1026B-1, Sierra 18-3080, Mercruiser 47-810567 Made With Run-Dry-- Guaranteed to Run-Dry for Up to 15 Minutes 2" Diameter x 7/8" Wide, 1/2" shaft diameter, Pin Drive, 6 Blades Replaces Jabsco 1133-0001, 673-0001, 3398-0001, Volvo 3593659, 3586497, 875808, 804696, 876690, Johnson 09-1026B-1 Don't get stranded out on the water -- order a spare impeller today. For water applications only. Does not include gaskets or O-rings. Made in the USA.