View 4 Photos View 0 Videos 2020 Meritor-Rockwell MFS13B132B Front Axle Assembly for a Peterbilt 579 Newly Listed $850 USD Meritor MFS13B132B Front Axle, 12K Capacity, 34" Spring Centers, 4" Spring Width, 10 Hole Pilot, Air Drum Brakes, ABS. P/N- MFS13B132BNN10, S/N- MON03981185 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number4531-4 MLS Number14520158CategoryAxle Assemblies, Front Last Updated8/3/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info