Availability: 9 in stock
Factory part number 89034493: an element supplied by GM.
It is catalogued under Accessories & Mounts > Inserts & Elements.
Genuine parts are made to the drawing the vehicle was built from, so dimensions and materials match the part being removed rather than being close to it. Mirrored parts are easy to order wrongly, and a guard or carrier for the other side will bolt on and then fail to align with the panel it protects.
In stock and sent from the US in one to two business days, free delivery 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.