This power antenna mast is for your Factory GM Power Unit. Mast is 100% identical to the mast you would get from the GM dealer, thus there is no universal fit here. If your Power Antenna mast is missing or if the power antenna motor still runs, clicks, or makes a grinding sound this part will repair your Power Antenna!! This mast is a very simple part for YOU yourself to Install. Any questions or concerns on any of our products feel free to contact us by telephone or email by clicking on AntennaMastsRus about us page here on Amazon.