I tried to visually compare the ACDelco 506-600 front strut and 506-283 rear strut as listed by application for my car 2001 GTP from the Amazon web site. Then I compared them to the used Bilsteins for sale, purchased for the 2005 5.3L application.
Comparing the struts, it appears the 2001 application front struts are missing the horizontal tab with two bolt holes, while the 2005 Bilsteins have this bar on both front and rear. What is going on here? Do these two bolt holes on the front strut simply go unused in the 2001?
Pardon me if I am asking a question answered multiple times before, just want to do my due diligence when buying used parts from a different model year car.
Edit: apparently these horizontal bars on the front struts are for the late-model sway bar configuration, unused on the 2001 application unless upgraded to the newer sway bar and control arm setup. Don't think I'll be doing that, although I already have GMPP sway bars on it for 2001 configuration.