The John Deere R3131021 is a genuine OEM ball joint designed for various John Deere compact utility tractors and other machinery. This critical steering component ensures smooth and precise control, contributing to the overall performance and safety of the equipment. Constructed for durability, it features an overall length of 95 mm, with M16x1.5 and M12x1.5 male threads, and a cone diameter ranging from 16 mm to 18 mm. Weighing approximately 0.12 kg, this ball joint is an essential replacement part to maintain original equipment specifications and operational reliability.