The John Deere R316647 is a genuine OEM upper crossover hose designed for various John Deere 40- and 80-series agricultural tractors. This essential engine component ensures proper fluid transfer within the engine system, maintaining optimal performance and preventing leaks. Manufactured to John Deere's rigorous standards, this hose provides reliable and durable operation, crucial for the longevity and efficiency of your machinery. It is a direct replacement part, guaranteeing a precise fit and easy installation for models such as the 4040, 4240, 4440, 4640, 4840, 8430, 8630, 8440, 8640, 8450, 8650, and 8850.