Easy Installation - Simply screw it into the radiator, plug it in, and done.
Replaces Polaris Part number 4010161.
Buy with confidence as this sensor plugs right in and has the exact same temp settings as stock. Replaces Polaris part number 4010161 for all 2000-04 Sportsman 400 and 500′s. This unit is located on the bottom of the radiator on the right hand side and controls the cooling fan operation.