Trying to help a BCA member in need of lower clips for for back window reveal moulding, he has already purchased some clips from CARS that said they should fit, but they do NOT.   Buick master parts book lists Group #11.209 clip, back window reveal moulding part #4657731 for upper and side clips (I have a AU-VE-CO catalog and they have conversion of OEM part number to AU-VE-CO # 2628) looks similar   and part #4657805 for the lower clip  (BUT next line under part number: Emer