2 0 Eaton RS400 Rear Axle Housing for a 1981 Peterbilt 359 $1,100 USD GOOD USED REAR REAR HOUSING. FITS AIR LEAF RS380/381/400/401/402. WILL INSPECT FOR CRACKS, Serial#: BC, Core Charge: NA, Suspension: AIR LEAF, Brake Type: S CAM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)359Will Fit Year(s)1981Part NumberAIR LEAFStock Number40822-1 MLS Number11349131CategoryAxle Housings, Rear Last Updated8/31/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info