The John Deere RE49231 is a genuine OEM oil line tube designed to ensure proper lubrication within John Deere agricultural and construction equipment. This critical component facilitates the flow of oil, maintaining optimal engine and hydraulic system performance. Manufactured to John Deere's rigorous specifications, it provides reliable fitment and durability across a wide range of tractor, combine, and sprayer models, including the 4R, 5E, 5M, 5R, 6M, 6R, 7R, 8R, 9R series, and various D-series harvesters and E-series excavators.