2020 Peterbilt 579, Truck Tractor, Horns (Frame), Fits to: Peterbilt 579, (Used) 2020 Peterbilt 579, FRAME HORN- Side: Driver Side Location: Left front Associated Parts Supported: hood Material: Aluminum Dimensions: L=27", H=19", Part Number B11-1025REV 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 2020, VIN 1XPBDP9X1LD640414, Material Aluminum 1XPBDP9X1LD640414