Most times when you remove these vents the threads will be seized from old age and this is a cheap replacement that will eliminate the issue in the future, the clip pops out easily. Cost was $2.80 CAD for a package of 2.


Finished product
Open the pin with a small flat blade screw driver

Comparing stock to aftermarket
Side comparison for size
Product, from Auto Value in Canada.
Cross reference is for:
Olds Cutlass 1990 on
GM Lt. Truck 1996 on