2007 Peterbilt 379, Truck Tractor, I Beams, Fits to: Peterbilt 379, (Used) 2007 Peterbilt 379, FRONT AXLE BEAM- Part Number: 693901, Serial Number: TBD, Make: Spicer, Model: D-1251IL, Capacity: 12,000 Lbs, Center Leaf to Center Leaf: 34", 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 2007, VIN 1XP5DB9X47N664321, Axle Make Spicer 1XP5DB9X47N664321