The John Deere R61826 is a genuine OEM radiator hose designed for various John Deere agricultural and industrial machinery. This critical component ensures proper coolant flow between the engine and radiator, maintaining optimal engine operating temperatures. Constructed from durable materials, it provides reliable performance and a precise fit for specified models. With a confirmed length of 510 mm and varying end diameters of 45 mm and 51 mm, this hose is engineered to meet John Deere's stringent quality standards for cooling system integrity across models including the 4040, 4240, 4440, 4640, and 4840 series tractors, as well as combines, cotton pickers, and loaders.