View 0 Photos View 0 Videos 2019 Axle Alliance RS19.0-4 Rear Differential for a Freightliner M2 106 Recently Updated $908 USD (USED) Detroit RS21.0-4 Ratio: 6.14 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813511005 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)M2 106Stock Number25979872 MLS Number14364004CategoryDifferentials, Rear Last Updated5/20/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info