A radiator tank for a radiator. The radiator tank includes a plurality of first reinforcement members spaced apart along a first sidewall. A plurality of second reinforcement members are spaced apart along a second sidewall. A plurality of third reinforcement members are spaced apart along an upper portion that extends from the first sidewall to the second sidewall. Both the first and the second reinforcement members are on one of an outer surface or an inner surface of the radiator tank. The third reinforcement members are on the other one of the outer surface or the inner surface. The first and the second reinforcement members terminate prior to reaching the upper portion, and the third reinforcement members terminate prior to reaching both the first sidewall and the second sidewall.