View 0 Photos View 0 Videos Meritor-Rockwell MX14 Rear Differential for a 2015 Peterbilt 579 Contact for price MERITOR MX14 3.70 RATIO 40000 LBS NO LOCKS, Ratio: 3.70 ConditionUsedRear End3.70 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2015Stock Number3364-PETE-3 MLS Number13343932CategoryDifferentials, Rear Last Updated6/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info