USED GM 3965302 Big Block Oil Cooler Adapter – Original Cast

Description:

🛠️ For Sale: Authentic GM casting from the golden era of muscle—this 3965302 oil cooler adapter fits a range of 1969–1971 Chevrolet big block V8s, including 396, 402, 427, and 454 CID engines. Ideal for restorers chasing period-correct detail or builders upgrading for external oil cooling.

🔹 OEM GM Part – Casting #3965302 🔹 Fits: Corvette, Chevelle, Camaro, Nova, and heavy-duty truck applications 🔹 Condition: Solid used core, no cracks or damage. Threads clean. 🔹 Mounting: 3-bolt flange with central bore for oil routing 🔹 Perfect for: Restoration, performance builds, or vintage display