This lower engine radiator cooling hose replacement is designed for select Polaris Sportsman 400 and 500 models and connects the lower left side of the radiator to the lower right side of the engine. A deteriorated or weakened hose can lead to coolant leaks, overheating, or cooling system failure. This hose is fabricated from reinforced rubber and formed to match the original routing and connection points for proper fitment. Intended for cooling system service or repair and installs in the factory location without modification. Application can vary by year, so part number and hose configuration should be verified before ordering. Replaces Polaris part number 5411782. Fitment 2000–2004 Sportsman 500 (most models) 2001–2004 Sportsman 400 Does not fit some 2004 models; verify part number and hose layout prior to ordering. Replaces Part Number(s) Polaris 5411782