Browse Peterbilt 379 Mud Flap Hangers for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 7 listings. Peterbilt 379 Mud Flap Hanger pricing ranges from $20 to $125 based on recent marketplace data. Filter by condition, price, or year to find the right Peterbilt 379 Mud Flap Hanger.