2020 Peterbilt 579, Truck Tractor, Frame & Crossmembers, Fits to: Peterbilt 579, (Used) 2020 Peterbilt 579, CROSSMEMBER Make: PACCAR Part Number: A24-6336-002 Side: Front Material: Aluminum 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