2022 Peterbilt 579, Truck Tractor, I Beams, Fits to: Peterbilt 579, (Used) 2022 Peterbilt 579, COMPLETE FRONT AXLE BEAM- Part Number: B05-6043-0CA 100000, Serial Number: MON04558224, Make: Meritor/Rockwell, Model: MFS12E122CNN4, Measurement: 34" CENTER TO CENTER LEAF, Capacity: 9,933 Lbs, Hub Bolts: 10, Brake Type: Drum, 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 2022, VIN 1XPBDP9X9ND707991, Axle Make Meritor/Rockwell 1XPBDP9X9ND707991