Not too sure how I can answer this. I looked through some other forums and saw that coilovers can last 50k+ miles. I had them on my car for about 1k and the guy I bought it from said he used it for 2k. So worse case scenario probably has 35-45k left. I would think it also depends on your use. Again good question, just hard to answer.How much life do you think it has left?