View 2 Photos View 0 Videos Meritor-Rockwell MP2014X Front Axle Housing for a 2020 Peterbilt 389 Recently Updated Contact for price (Used) 2020 Peterbilt 389, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: TBD, Serial Number: TBD, Make: Meritor, Model: MP2014X Ratio: 2.64, Capacity: 20,000 Lbs, Suspension: Air Suspension,... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock NumberP-508422 MLS Number14476597CategoryAxle Housings, Front Last Updated10/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info