big-autoparts Water Impeller Kit Are Made of High Quality and Long Working Life. Features: - All New Impeller Kit Includes Impeller,Gasket and O-rings. - Water Pump Impeller Repair Kit Compatible With Johnson 09-812B-1,Yanmar 119773-42600,Sierra 18-3306,Indmar S685007. - Manufacturer Part Number:09-812B 119773-42600 18-3306 S685007 F6B-9. Specifications: Width:1.90 Inch(48.2mm) Diameter:2.25 Inch(57.1mm) Shaft:5/8 Inch(16mm) Drive:12 spline Material:Neoprene Package Included: ✔ 1×Impeller ✔ 1×Gasket ✔ 2×O-rings