Could you pliz help?

You can also try www.gmpartsclub.com Just click on malibu parts and you will be able to search by part numbers.

I know on www.gmpartsclub.com or http://www.chevyclub.org/chevy-malibu-parts.html if you find the part you want and add it to your bag, then hit checkout it will lists the part number. If you write this part # down you can search the prices on several different sites.