flywheel ?

I was looking around for the cheapest price on a flywheel and i came across the cheapest one on rockauto.com. It's Ac Delco #388507 i was wondering if this was the equivalent to the Gm part # from gmpartdirect 10125379. It's a 50 buck difference. I just want to make sure before i order it. I don't want the hassle of having to return it. thanks for the help in advance.

If it's listed in their book as teh replacement for our car's.. I don't see how it would be a problem..I bought a Ac delco flywheel for about the same price your getting as well.. Just take your old one and compare them prior to putting it on.. Should be fine