OER Parts offers a wide selection of Cooling System Components for your 1961 GMC 2500 Series. OER Parts offers 1961 GMC 2500 Series Radiator Hardware, 1961 GMC 2500 Series Radiator Supports, 1961 GMC 2500 Series OE Radiator Supports, 1961 GMC 2500 Series Radiator Filler Cover, 1961 GMC 2500 Series Radiator Support Opening X-Brace, 1961 GMC 2500 Series Radiator Support Bracket Set, and 1961 GMC 2500 Series Radiator Support Gussets.