View 3 Photos View 0 Videos 2007 Axle Alliance RS21-2N Rear Axle Housing for a Freightliner MT55 Chassis Newly Listed $650 USD Axle Alliance Rear Axle Houisng, RS21-2N, 8 Hole Pilot, Hydraulic Disc Brakes. P/N A6803504330 (Replaced By MBA 6803504330). HOUSING ONLY, DIFF SOLD SEPARATELY. ConditionUsedFits To Make(s)FREIGHTLINERFits To Model(s)MT55 ChassisStock NumberUPS-142228-4 MLS Number14289192CategoryAxle Housings, Rear Last Updated4/5/2026 LocationDinuba, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info