Okay so lately Ive been having alot of road noise coming from my Left Rear tire. Alot of friends of mine said it sounds like the wheel bearing is bad. I was going to purchase the part myself cuz funds are low right now with school and all. Most of the time I tend to get most of my parts from rock auto, but the problem is will I need the hub and bearing assembly or just the wheel bearing??? I was going to just go to a place like firestone and just worry about the full cost but the price they charge for the same parts is nearly double. Also does anyone know I specific brand for the part that is good. Any information is much appreciated..