We accept return or exchange within 30 days after package delivered. Contact us first for Return Authorization Number (RAN) before you ship back the package. No package sending back will be processed for refund if no RAN code. Please also make sure that you pack the parts quite well and insure the package when you ship it back. No refund will be made for damaged parts. If we send the wrong item, we will take care of everything for exchange. If buyer places the wrong order, we accept return and refund money on item. The shipping is nonrefundable. For free shipping items, 20% restocking fee will be charged.