The John Deere R172052 is a genuine OEM circular plain shim designed for critical spacing and alignment in John Deere equipment. With an inner diameter of 35.052 mm, an outer diameter of 44.45 mm, and a thickness of 0.127 mm, this shim ensures proper fit and function within power train and other assemblies. Weighing approximately 0.023 kg, it is a vital component for maintaining optimal performance and reducing wear in a wide range of John Deere tractors, cotton pickers, forage harvesters, loaders, motor graders, skidders, sprayers, and windrowers.