1990 Western Star 4900, Truck Tractor, I Beams, Fits to: Western Star 4900, (Used) 1990 Western Star 4900, COMPLETE FRONT AXLE BEAM- Part Number: EFA12F4, Serial Number: TBD, Make: Eaton, Model: EFA 12F4, Capacity: 12,860 Lbs, Center Leaf to Center Leaf: 33", 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 1990, VIN 2WKPDCCH5LK928008, Axle Make Eaton 2WKPDCCH5LK928008