This is a genuine Ford 89837984 shim washer, an OEM component designed for precise spacing and adjustment in various agricultural and industrial machinery applications. It features an inner diameter of 35 mm, an outer diameter of 51 mm, and a thickness of 1 mm, ensuring optimal fit and performance. This versatile shim is compatible with a wide range of equipment from brands such as Ford, New Holland, and Case IH, providing reliable and accurate component alignment.