I don't know the original brand. There are several sites for automotive stereo systems. Just pick one, the site will ask for year--,make--model. Then, they give you a list of radios that are supposed to fit your vehicle. If you buy an automotive radio in a store, the information should show which year--make model will fit. I looked at crutchfield.com. I'm not pushing crutchfield, that's just the one I thought about. They have tech support and everything.