All parts we provide come with a 12month 12 thousand mile limited warranty, for both parts and labor with our shop and 100% parts 50% labor if out of area. This is if there is a parts or installation failure and all steps have been taken by the customer to cover basic maintenance and pull over and report any issues before they turn catostrophic. Parts must be paid before schedule for any work and there is a 25% restocking fee if there is a cancellation after the parts have been paid for. No charge for rescheduling.