OER Parts offers a wide selection of Cooling System Components for your 1961 Chevrolet C20 Pickup. OER Parts offers 1961 Chevrolet C20 Pickup Radiator Hardware, 1961 Chevrolet C20 Pickup Mounting Hardware, 1961 Chevrolet C20 Pickup Petcocks, 1961 Chevrolet C20 Pickup Radiator Caps, and 1961 Chevrolet C20 Pickup Radiator Supports.