The Kubota 6870170940 Washer, Buck Up is an authentic OEM component designed for secure fastening in a wide range of Kubota agricultural and utility machinery. This genuine washer ensures proper spacing and load distribution, contributing to the longevity and reliable performance of critical assemblies. It features an inner diameter of 10.5 mm, an outer diameter of 18 mm, and a thickness of 2.5 mm, with a weight of approximately 0.005 kg.