View 0 Photos View 0 Videos Eaton DDP40 Rear Axle Housing for a 2006 Freightliner Columbia 120 $1,195 USD RDP40 REAR AXLE HOUSING ON AIRLINER SUSPENSION. SAME AS RSP40, RS404 RSP41, Hub Bolts: 10, Suspension: AIRLINER, Brake Type: DRUM ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Columbia 120Will Fit Year(s)2006Stock Number40926-10 MLS Number14315442CategoryAxle Housings, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info