The same brand they sell in advance. Auto parts are half the price, so I decided to give it a try. Out of the box the gasket and seal appear to be of good quality and the panel has a nice finish. However, after about 10 miles it started to leak, worse than the seal I pulled off the truck. I followed the instructions, also with the centering tool. Keep in mind that I have 4 wheel drive, so getting the seal in the first place is very labor intensive. When I finally got it out of the truck, theโฆ