This genuine Case-IH 185129C1 washer is an essential component designed for various Case-IH agricultural and construction equipment. Manufactured to precise OEM specifications, it ensures proper spacing, load distribution, and secure fastening in critical assemblies. With an inner diameter of 20.62 mm, an outer diameter of 34.92 mm, and a thickness of 1.65 mm, this durable washer provides reliable performance and a precise fit for a wide range of Case-IH models, including numerous tractors, combines, and windrowers.