View 6 Photos View 0 Videos 2016 Meritor-Rockwell RS21160 Rear Axle Housing for a Peterbilt 579 $950 USD Meritor Rear Axle Housing, RS21160, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. P/N RS21160NFNN449342, C223121Z1872, S/N FOR03625831. Removed From 2016 Reyco Air Suspension.... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number1812-4 MLS Number13895926CategoryAxle Housings, Rear Last Updated5/19/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info