The Case IH 133989A1 is a genuine OEM bushing designed for critical applications in a wide range of Case IH agricultural and construction equipment. This high-quality component ensures proper alignment and reduces friction, contributing to the longevity and smooth operation of machinery. With an inner diameter of 25.4 mm, an outer diameter of 28.575 mm, and a length of 25.4 mm, it meets precise specifications for reliable performance.