A radiator I made so that you do not have to make one! You can texture it anyhow since I did not use much on it in order to keep it regular.
BLEND (Blender, filesize: 22 MB), OBJ (OBJ, filesize: 164 MB), FBX (Autodesk FBX, filesize: 48.2 MB), DAE (Collada, filesize: 51.9 MB)