The John Deere R84071 is a genuine OEM spring washer designed to provide reliable fastening and prevent loosening due to vibration across a wide range of John Deere agricultural and construction equipment. With an inside diameter of 10.20 mm, an outside diameter of 18.00 mm, and a thickness of 2.00 mm, this essential component ensures the integrity of bolted connections, maintaining optimal machine performance and safety. It is a critical part for various models including 6000, 7000, 8000, and 9000 series tractors, combines, sprayers, and loaders.