The 4-piece set of 45MM excavator bucket bushings bosses is designed to fit compatible equipment types such as excavators from manufacturers like John Deere, Takeuchi, and Kubota. Specifically intended as replacement parts for bucket bushings, these components help to maintain the functionality and performance of heavy equipment. The set includes four bushings that are essential for ensuring smooth operations and durability in excavator bucket systems. Ideal for businesses and industrial applications, these high-quality bushings are a reliable choice for maintaining and repairing heavy equipment machinery.