🔥 Rare Find – Factory GM D2 Copper/Brass Core Radiator! 🔥 This is an original OEM radiator removed from a Turbo Buick Grand National. It features the highly sought-after “D 2” tank stamp with GM 3090603 part number and brass end tanks. These radiators are an essential part for any serious restoration or original survivor build. The unit shows typical signs of age, oxidation, and residue buildup, but appears structurally intact with no known leaks. Cap and fittings are included. Perfect for restoration purists looking to preserve originality.
✅ OEM GM 3090603 Radiator (Stamped “D2”) ✅ Factory Correct for 1986–1987 Turbo Buick Grand National ✅ Copper/Brass Core with Plastic Tanks ✅ Lower Oil Cooler and Transmission Cooler Ports ✅ Includes OEM-style cap
