2001 Peterbilt 379, Truck Tractor, Interior Misc Parts, Fits to: Peterbilt 379, (Used) 2001 Peterbilt 379, HEATER DUCT- Part Number: 18-04241, Material: Plastic, Reference images for condition. For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Truck Year 2001, VIN 1XP5DB0X61D558415, Material Plastic 1XP5DB0X61D558415