The John Deere AZ39874 is a genuine OEM seal designed for various John Deere agricultural machinery. This critical component ensures proper sealing, preventing leaks and maintaining optimal performance in a wide range of equipment, including combines (e.g., S-Series, T-Series, W-Series), cotton pickers, forage harvesters, sprayers (e.g., R4000 Series), windrowers, and numerous 8000 and 9000 series tractors. It features a precise design with a width of 3.175 mm and an outer diameter (length/height) of 79.375 mm, weighing 0.009 kg.