Radiator Cap
CTPA-1500626C91 Replacement Part to Fit:  Case/IH For Models: 3220, 3230, 385, 4210, 4230, 4240 W/O AIR, 454, 474, 475, 484, 485, 485XL, 574, 584, 585, 585XL, 674, 684, 685, 685XL, 784, 785, 785XL, 884, 885, 885XL  Price:  $16.58  Buyers Club Price:  $14.92