Product review (4 stars): Great replacement!
These fit well in my older (early 90s) GE stovetop.  They work well, and overall I'm very happy with them.  The only issue I had is that they popped up instead of nestling down into the drip pans for about the first month that I had them.  With the weight of a pan on them it didn't matter, but they sure looked silly all helter skelter on top of the stove. when not in use.  This problem solved itself with regular use, and they now nestle flat like they're supposed to.