Package content:1x Door Lock Actuator. Fits the following vehicles. Notice: Only Fit Models with Power Liftgate. Rear Tailgate Lock Actuator w/ Power Liftgate For Chevy GMC Cadillac 13581405. The reason is because transit time is highly depended and provided by Postal Service. (except weekends and holidays and other unexpected things). Please believe that any problems all could be solved through the positive communication. We do not let our customer suffer any loss. We would do our effort to satisfy every customer. We are glad to serve for you! Thank you so much! New replacement parts Replace Part Number: 3800883,4981207 Please verify your part number before ordering. Applications: Engine model:B3.3, QSB3.3, QSB4.5, CM2150, CM2250, B137. Compatible table only for reference. Please Compare With Your Original One Before Purchasing. Even if you find your car model in the description list it might not be suitable because of the variaties of modifications. If you are not sure about part fitment please write us the VIN number Chassis No. Of your car and we will check if the part fits specifically your vehicle. Although we have tried our best to make sure that the pictures are accurate, because of the difference of the light and screen, the color of the product may be slightly different from the picture. Actual commodity to prevail in kind. Installation guide NOT included, professional skills required during the installation, we highly recommend asking repair shop for help. If you are not clear about it, please feel free to contact me. Any questions will be replied within 24 hours except the weekend and statuary holiday in Chinese Beijing Time. We strive to provide the best product solutions. Better products + Better transportation + better service! We’ll help you solve all the problem. We keep our promises that we will provide you with the best solution and believe problem will be solved positively. Your recognition will encourage us greatly and serve you better.