Having cooling system problems? It may be your radiator cap. Replace it with this stock replacement 13 psi cap. Fits the 2012-14 Polaris RZR 800 (Including RZR-S and RZR-4) and the 2012-14 RZR 900 (All models). Also fits the 2016 RZR Turbo. Replaces Polaris part number 1240300.