View 5 Photos View 0 Videos 2017 Eaton RDP40 Rear Axle Housing for a Peterbilt 579 $850 USD Eation 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. ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number1943-28 MLS Number14044349CategoryAxle Housings, Rear Last Updated12/27/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info