Clearly visible on packaging 'AC Delco, Detroit, MI'. The fine print of the "Made in China" part label itself. This was the first indication of a problem. 1) Note that this part does NOT come with a banjo bolt that goes from the caliper to the main line and a spring clip that holds the other end to the body mount. So keep your old ones. . However, there were 2 copper disks, so I was able to get them to work. DO NOT cut your old spring clip, it's very difficult to pull it out intact, but make…