Globe Marine Run-Dry&reg; Model 625 RED Impeller for Jabsco 18948-0001, Volvo 835874 & Sherwood 10615 Made With Run-Dry. Guaranteed to Run-Dry for Up to 15 Minutes 2-9/16" x 1-5/8" Deep, 5/8" shaft diameter, Keyway Drive, 12 Blades. Impeller only - no gaskets. Replaces Jabsco 18948-0001, Sierra 18-3047 & 18-3061, Volvo 835874 & Sherwood 10615 Replaces Chris-Craft 16.89-90131, Crusader R601017, Sherwood 10615 Don't get stranded out on the water. Order a spare impeller today! Made in USA. Diesel fuel and water applications.