The Peterbilt 389 is the big rig of choice for American truckers, with a classic, conventional style. It's got all the great features you expect from a traditional Peterbilt model, plus many modern bells and whistles. 4 State Trucks can help you make your Pete 389 look like a million bucks. Whether you need bumpers, exhaust, or seating, we've got you covered. Hit the open road in style and comfort with the best custom gear for your Peterbilt heavy duty truck or 18 wheeler.