View 4 Photos View 0 Videos Dana-Spicer D40-155H Front Differential for a 2020 Peterbilt 579 Newly Listed Contact for price (Used) 2020 Peterbilt 579, FRONT DIFFERENTIAL GEARS ONLY- Part Number: 515579, Serial Number: HN07787568, Make: Spicer, Model: D40-155H, Ratio: 2.79, Capacity: 19,000 Lbs, Reference images... ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Part Number515579Stock NumberP-504226 MLS Number14427194CategoryDifferentials, Front Last Updated6/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Dana-Spicer D40-155H Complete Axle-Front Rears for a 2020 Peterbilt 579 Newly Listed Contact for price (Used) 2020 Peterbilt 579, COMPLETE FRONT REAR TANDEM- Part Number: 515579, Serial Number: HN07787568, Make: Spicer, Model: D40-155H, Ratio: 2.79, Capacity: 19,000 Lbs, Hub Bolts: 10, Brake... ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Part Number515579Stock NumberP-504224 MLS Number14427192CategoryDifferentials, Front Last Updated6/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info