The John Deere AH170357 is a genuine OEM lower radiator hose designed for optimal cooling system performance in various John Deere agricultural tractors. This critical component ensures proper coolant flow between the radiator and engine, preventing overheating and maintaining engine efficiency. It is compatible with numerous 7000, 7010, 7020, 7030, 8000, 8010, 8020, and 8030 series models, including specific models like the 7200, 7400, 7600, 7700, 7800, 7210, 7410, 7510, 7610, 7710, 7810, 7220, 7320, 7420, 7520, 7130, 7230, 7330, 7430, 7530, 8100, 8200, 8300, 8400, 8110, 8210, 8310, 8410, 8510, 8120, 8220, 8320, 8420, 8520, 8130, 8230, 8330, 8430, and 8530. Manufactured to John Deere's rigorous standards, this hose provides a reliable and durable solution for maintaining your tractor's cooling system.