View 4 Photos View 0 Videos 2017 Eaton RDP40 Rear Axle Housing for a Peterbilt 579 $950 USD Eaton Rear Axle Housing, RDP40, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. P/N 321282. Removed From 2017 Peterbilt Flex Air Suspension. ConditionUsedSuspensionFlex AirFits To Make(s)PETERBILTFits To Model(s)579Stock Number36561 MLS Number14527535CategoryAxle Housings, Rear Last Updated9/23/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info