Here's a few photos of the differences. The center "U" shaped hole is after I trimmed it. You can see one of the pieces I cut off. I also squared the corners to match the original. I also see another little notch at the bottom of the original, but, you don't see that once installed. the overall length difference is about 2 inches or so. Not enough to interfere with anything. The difference in where the screw slots are located, the new ones are about an inch higher than the original.