Availability: 8 in stock
The element here is the GM part, numbered 19385620.
It is catalogued under Accessories & Mounts > Inserts & Elements.
The photographs on a listing show the actual stock item, so compare the mounting points and the connector or fitting rather than the overall shape. Check the option code as well as the model year, since accessory trim often changes within a single production year.
Ships from our US warehouse in one to two business days, free over $59. Confirm the number before you order, because a near match will bolt on and still be wrong. Send the VIN if the old marking has gone.