Yes, I show that the 80-135-151001-00 is the same as the 01-0271. Yes, there are zipper panels that give you access to the doors. You should still be able to access your entry door without removing this cover. This cover will fit 20-22 foot in length with a 118" max height. You would just need to double check those measurements on your vehicle to make sure that this product will fit for you.