The John Deere AL209921 is a genuine OEM oil line designed to provide critical lubrication within the hydraulic or engine systems of compatible John Deere agricultural machinery. This essential component ensures the reliable transfer of oil, maintaining proper system function and preventing leaks. Manufactured to John Deere's specifications, it guarantees a precise fit and durable performance for models including 6100, 6200, 6300, 6400, 6506, 6600, 6800, 6900, 6010, 6110, 6210, 6310, 6410, 6510, 6610, 6810, 6910, 6020, 6120, 6220, 6320, 6420, 6520, 6620, 6820, 6920, 7200, 7400, 7600, 7700, 7800, 7210, 7410, 7510, 7610, 7710, 7810, 7220, 7320, 7420, 7520, 7720, and 7820.