Used Hellcat oil cooler, 45,000 km, sound and free of problems. There is also a Bwoody supercharger cooler in addition to the original cooler, it installs without modification in front of the engine cooler. There is also a supercharger crankshaft, block, and sensors, and a throttle gasket. There are many other parts for Hellcats or 6.1 in the same account's listings.