ECMRAD Aluminum Radiator is produced and designed to provide maximum cooling efficiency to prevent engine cooling failure. It is made of full aluminum, its light-weight, and high-heat transferring aluminum features a tube and fin design that, dramatically increases surface area that enables the heat to dissipate more efficiently. It has an increased durability over the factory plastic end tank radiator, and much inmprovwed engine cooling. Most importantly, it has a much higher capacity for coolant than stock ones/OEM, which means that your cooling system will be more efficient and will be more resistant to temperature increases in racing applications. This Performance Aluminum Radiator Compatible for: 2014-2018 Polaris RZR 900/S 2014-2018 Polaris RZR 1000 /XP/XP4/S **except turbo models Fits both 2/4 doors W/i**Will NOT fit Turbo Models Package Included: 1 X 3-Row Aluminum Radiator w/ Radiator Cap in a Carton Box