OER Parts offers a wide selection of Cooling System Components for your 1966 Chevrolet C20 Pickup. OER Parts offers 1966 Chevrolet C20 Pickup Radiator Hardware, 1966 Chevrolet C20 Pickup Radiator Supports, 1966 Chevrolet C20 Pickup OE Radiator Supports, 1966 Chevrolet C20 Pickup Radiator Filler Cover, 1966 Chevrolet C20 Pickup Radiator Support Opening X-Brace, 1966 Chevrolet C20 Pickup Radiator Support Bracket Set, and 1966 Chevrolet C20 Pickup Radiator Support Gussets.