1991 GMC C7000 Topkick, Truck Delivery, I Beams, Fits to: GMC C7000 Topkick, (Used) 1991 GMC C7000 Topkick, FRONT AXLE BEAM- Part Number: 15574555, Make: GMC, Model: TBD, Capacity: 12,000 lbs, Dimensions: L=38.5", 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 1991, VIN 1GDM7H1J2MJ520277, Axle Make GMC 1GDM7H1J2MJ520277