1998 Peterbilt 378, Truck Tractor, Frame & Crossmembers, Fits to: Peterbilt 378, (Used) 1998 Peterbilt 378, FRAME RAILS- Side: Driver Left Side, Material: Aluminum, Length: 21' 6", Height: 10 1/2", Width: 3 1/2", 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 1998, VIN 1XPFDR9X9WD461216, Material Aluminum 1XPFDR9X9WD461216