I have searched through GM Parts direct and other sources but I find the common issue with these sites are if the part is not available then the PN won’t show up from the diagrams provided. Is there a resource to find this info rather than bothering the parts person at the dealership? with that being said I am looking for the trim on the driver side seat rail which is to the rear of the seat closest to the center console. I found a photo of the part online but have yet to find the PN to start my search. Thanks!