The John Deere AL116188 is a genuine OEM heater return hose designed for various John Deere agricultural and industrial machinery. This essential component ensures proper coolant flow in the heater system, maintaining cabin comfort. It is compatible with a wide range of John Deere 5E, 5M, 5R, 5GL, 5GV, and 5GN series tractors, as well as 512R loaders and 8100-8800 series self-propelled forage harvesters. Measuring approximately 508 mm in length, 25.4 mm in width, and 25.4 mm in height, and weighing 0.09 kg, this hose is built to John Deere's rigorous quality standards for durability and reliable performance.