Does the 2007 Lexus GS 350 have a timing belt or chain?

The 2007 Lexus GS350 comes factory equipped with a timing chain, rather than the leSSReliable timing belt. This is a good thing, because it means Your chain is expected to last for the lifetime of Your vehicle. The life expectancy for a Lexus GS350 is typically 150,000 to 200,000 miles. As such, the timing chain is typically covered under a ten years, 100,000 miles warranty that will pay any expenses from damage not caused directly by the driver. If You do find that You want to purchase a new chain, You can expect to pay between $120 and $240 for parts alone. If You have it replaced by a mechanic or auto pro, You will need to pay an additional $130 to $240 for labor.