The John Deere L63845 O-Ring is an authentic OEM replacement part designed for sealing applications in a wide range of John Deere agricultural and construction machinery. This genuine O-Ring ensures a proper fit and reliable performance, preventing leaks and maintaining system integrity. Manufactured to John Deere's specifications, it provides durability and compatibility with specific models such as the 6120R, 6130R, 6140R, 6150R, 6170R, 6190R, 6210R, 6230R, 6250R, 6R 140, 6R 150, 6R 165, 6R 185, 6R 215, 6R 230, 6R 250, 7R 210, 7R 230, 7R 250, 7R 270, 7R 290, 7R 310, 7R 330, 7R 350, 8R 230, 8R 250, 8R 280, 8R 310, 8R 340, 8R 370, 8R 410, 8RX 310, 8RX 340, 8RX 370, 8RX 410, 9R 390, 9R 440, 9R 490, 9R 540, 9R 590, 9R 640, 9RX 470, 9RX 520, 9RX 570, 9RX 620, and 9RX 670 tractors, as well as 1070D, 1170D, 1270D, 1470D harvesters, and 1910 air carts.