Brand new - bought wrong type.  There are 2 Chevy types - one is smaller - this is the smaller - this is for the cars - this is not for the trucks - the truck mass is exact same except bigger.

Check measurements in photos to make sure this is the exact part you are replacing.

Make sure this is what the problem is.  I replaced and it didn't seem to do anything....

Ask questions if in doubt.

Free postage only for US. 

Thanks