The Sparex S56406 is a high-quality oil cooler hose designed for optimal performance in agricultural machinery. Featuring a 20mm internal diameter and a 30mm external diameter, this durable hose ensures efficient oil flow to the cooler. It is a direct replacement for OEM part numbers including Massey Ferguson 1690100M1, 1690100M2, 1690100M3, 1690100M4, and Perkins 2486A001. This hose is compatible with a wide range of Massey Ferguson tractor models across the 100, 200, 300, 500, 600, 1000, 3000, 4200, 4300, 5400, 6100, 6200, 8100, and 8200 series, ensuring reliable operation for your equipment.