The Oregon D3702 is a high-quality flat idler pulley designed for reliable performance in various lawn and garden equipment applications. This genuine Oregon replacement part features a 4-1/2 inch (114.3 mm) outer diameter, 11/16 inch (17.46 mm) inner diameter, and 1 inch (25.4 mm) height, ensuring proper belt tension and smooth operation. It serves as a direct replacement for numerous OEM part numbers from brands like Husqvarna, John Deere, MTD, AYP, Craftsman, and Toro, fitting a wide range of riding lawn mowers and garden tractors.