2 0 Mercedes-Benz ARS-21.0-4 Rear Axle Assembly for a 2012 Freightliner M2 106 Contact for price (Used) 2012 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: TBD, Make: Mercedes, Model: ARS-21.0-4, Ratio: 4.78, Capacity: 21,000 Lbs, Hub Bolts: 10", Brake Type: Drum, ... ConditionUsedRear End4.78 ratioFits To Make(s)FreightlinerFits To Model(s)M2 106Will Fit Year(s)2012Stock NumberP-113340 MLS Number13940584CategoryAxle Assemblies, Rear Last Updated10/25/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info