The John Deere A87781 Notched Marker Disk Assembly Hub is a genuine OEM component designed for various John Deere agricultural machinery. This robust hub is crucial for the proper function of marker disk assemblies on planters, drills, cultivators, disk rippers, and chisel plows. Manufactured to John Deere's exacting standards, it ensures reliable performance and precise fitment, maintaining the operational integrity of your equipment. With a weight of approximately 0.36 kg and dimensions of 102 mm (L) x 102 mm (W) x 102 mm (H), this hub is a direct replacement for the original part.