All parts are guaranteed for 30 days under normal use. We do not cover labor fees under any circumstances. Original shipping charges and return shipping charges are dealt with on a per case basis. We have been in the auto recycling business for over 27 years bringing you the best quality control standards the industry has to offer. If for some reason there is a problem with a part, you are covered by us. We are always willing to work with you to get you a replacement or a refund. Please contact us with any question or concerns.