Key Product Details Purpose: Captures airborne contaminants to prevent engine wear and improve fuel efficiency. Engine Compatibility: Fits select 20–21 HP Intek single-cylinder OHV engines, including model series 31L777, 31M977, 31Q777, 331707, 331777, 331807, and 331877. Equipment Fitment: Commonly used on John Deere (LA125, D120), Cub Cadet, Troy-Bilt, and Craftsman riding mowers. Dimensions: Approximately 3″ Outside Diameter (OD), 1-1/2″ Inside Diameter (ID), and 5-7/8″ Height. Replaces Part Numbers: 793569S, 5415, 5415K, and John Deere MIU11511 / GY21055.