2000 Peterbilt 379, Truck Tractor, I Beams, Fits to: Peterbilt 379, (Used) 2000 Peterbilt 379, COMPLETE FRONT AXLE BEAM- Part Number: 823210, Serial Number: 991484539, Make: Spicer, Model: E1200, Capacity: 12,000 Lbs, Measurement: 35" From Center Leaf Spring to Center Leaf Spring, 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 2000, VIN 1XP5DU9X8YD512903, Axle Make Spicer 1XP5DU9X8YD512903