My '93 STS developed a common problem in as the cup holder would no longer lock in the stowed position. Several searches and no luck finding the latch, although I did find the '94 Corvette used a similar one and might have worked. Looking at the latch I could see the "hook" had broke from the spring post, no way to repair that. Look closely and you'll see "SOUTHCO LESTER, PA PAT. APPL FOR" Searched and found their site. I went through the online catalog and determined the latch is part # E4-10-201-10. I don't believe SouthCo will sell individual pieces but found this latch on eBay at half the cost of the used Corvette latch. I hope this helps those with this problem.