View 5 Photos View 0 Videos Dana-Spicer S20-045B Rear Axle Housing for a 2016 Peterbilt 579 Recently Updated Contact for price (Used) 2016 Peterbilt 579, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Make: Spicer/Dana, Model: S20-045B, Serial Number: HN04227810, Part Number: 7051751, Ratio: 2.69, Hub Bolts: 10, Brake... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Part Number7051751Stock NumberP-51011 MLS Number12130175CategoryAxle Housings, Rear Last Updated3/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info