Fit for 2011-2018 Peterbilt 587; Fit for 2013-2021 Peterbilt 579 ,Make sure the model is right for your car before ordering. DOT approved - Meets all safety standards and match or exceeds OEM specification. No Modifications, Direct Replaces your stock ones. OE Design For Direct Fit, Form And Function For An Simple And Fast Installation. WARRANTY:The entire light fixture has a normal warranty of 6 months (for damage not caused by human factors). We are committed to providing consumers with the absolute best service and value, product quality assurance. If you have any concerns or questions, please feel free to contact us. Fit for 2011-2018 Peterbilt 587; Fit for 2013-2021 Peterbilt 579 ,Make sure the model is right for your car before ordering.