Stens 150-094 Starter Pulley Replaces: Briggs & Stratton: 280117, 280439, 280439S, 280469, 4170 John Deere: PT11016 Fits models: Briggs & Stratton: 60100-83400, 9C900-92900, 93400-94900 and 110700-114900; for 2 thru 4 HP engines Outer diameter: 4 1/8"