View 5 Photos View 0 Videos Dana-Spicer D40-155 Front Differential for a 2020 Peterbilt 579 Newly Listed Contact for price (Used) 2020 Peterbilt 579, FRONT DIFFERENTIAL GEARS ONLY- Part Number: TBD, Serial Number: TBD, Make: Spicer, Model: D40-155, Ratio: 2.79, Capacity: 19,000 Lbs, Reference images for... ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Part NumberTBDStock NumberP-494303 MLS Number14094337CategoryDifferentials, Front Last Updated1/16/2026 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 D40-155 Front Differential for a 2020 Peterbilt 579 Newly Listed Contact for price (Used) 2020 Peterbilt 579, COMPLETE FRONT REAR TANDEM- Part Number: 10000891, Serial Number: U930382861, Make: Spicer, Model: D40-155, 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 Number10000891Stock NumberP-494301 MLS Number14094334CategoryDifferentials, Front Last Updated1/16/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer D40-155 Front Differential for a 2020 Peterbilt 579 $2,895 USD D40-155 2.64 FRONT, INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 2.64 ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number21325-3 MLS Number13405394CategoryDifferentials, Front Last Updated5/21/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer D40-155 Front Differential for a 2016 Peterbilt 579 $2,750 USD D40-155 2.79 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Core Charge: 500.00, Ratio: 2.79, Clutch Housing Size: 1, Casting#: NA ConditionUsedRear End2.79 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Part NumberD40-155Stock Number22424-2 MLS Number12707319CategoryDifferentials, Front Last Updated1/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer D40-155 Front Differential for a 2019 Peterbilt 579 $2,495 USD D40-155 2.64 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 2.64 ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2019Stock Number12024-3 MLS Number12588809CategoryDifferentials, Front Last Updated1/25/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info