View 4 Photos View 0 Videos 2005 Peterbilt Suspension for a Peterbilt 378 $1,450 USD REAR REAR SUSPENSION, PETERBILT AIR LEAF, ROCKWELL RR20-145, 3.42 RATIO, DIFFERENTIAL WILL HAVE TO BE INSPECTED ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Capacity20KStock Number6132 MLS Number13181905CategorySuspensions Last Updated6/12/2026 LocationSalt Lake City, UT, US Sold ByVriens Truck Parts (801) 478-___ SHOWNUMBERCall Seller Email Seller Save More Info