07 satun ion, but ALL the ions use the same cylinder. I just stoped in CarX and they quoted me $200 cuz apparently you have alot of building to do to get all the tumblers correct, which is what I figured after seeing the pictures from Amazon, although he says I can use the same key if my key isn't worn out, otherwise I would need a new key(no biggie, just means it needs to be reprogrammed vs not being reprogrammed). If they came prebuilt to the key it came with that would be sweet, but that isn't the case(unless you get it from a junk yard obviously). If I can get one prebuilt where all I gotta do is slide it in and reprogram the new key that would be awesome. Btw no chip in the key, but there is an anti theft device in the key which is why it needs to be reprogrammed with a new key and the guy at carx said I would have to go to a dealership and get some paperwork and show proof of ownership or whatever done for it to be rekeyed, I was kind of confused on that part, but didn't ask too much about it. Doh I'm dumb, now that I re read your post ya... Purpose of using the same key again is so I won't need a separate key for the ignition vs the rest of the car. And I'm not 100% sure if he was talking about getting the new paper work only if I needed a new key or if I had to get a new key, but that would make sense lol.