Custom-formed rubber hose for 300 TDI engine fitment Maintains optimal coolant flow under pressure and heat Reinforced structure prevents splitting or collapse This EAC lower radiator coolant hose is specifically engineered for the 300 TDI engine in the Defender. Made from durable rubber and reinforced to withstand high temperatures and pressure cycles, it ensures consistent coolant flow to protect your engine from overheating. This component offers the performance and reliability needed for confident cooling system maintenance. .