The John Deere Z44829 is a genuine OEM O-Ring manufactured from durable Nitrile (NBR) material, designed to provide a reliable seal in demanding applications. This O-Ring features an inside diameter of 90.17 mm and a thickness of 4.826 mm, ensuring a precise fit. It is a critical component for maintaining fluid integrity across a wide range of John Deere agricultural, construction, and forestry equipment, including numerous tractor, combine, sprayer, excavator, and loader models, preventing leaks and ensuring optimal system performance.