Part Description BACK 2005 Peterbilt 379 (Stock # 640-S-5) Air Dryers $409.36 Quantity 1 Add to Cart Part Type Air Dryers Truck Make Peterbilt Truck Model 379 Part# AD-IS VIN 1XP5DB9X85D874648 Truck Year 2005 Condition Used Description USED AIR DRYER AD-IS