When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
N/A or TII?
N/A can last up to 200k (mine went at 101k)
TII usually 125k is about time to go.
Oil changes, modifications, and abuse all factor into lifespan.