352628R91 Tractor Radiator for IH Farmall OS4 H Super W4 HV W4 HV O4 Super H. Core dimensions of the radiator are 17 3/4 x 16 x 3 1/4. Overall dimensions are 23 1/2 x 18. Radiator outlet and inlet dims are 1 3/4 x 1 1/2. Not sure will this part fit? We can search quickly and confirm or find you the correct one! You need correct replacement? Just let us know and our. Parts specialist will help right away!