View 8 Photos View 0 Videos 2019 Thermo King TK270VFM Auxiliary Power Unit (APU) for a Peterbilt 579 $1,500 USD Good running Thermo King TK270VFM / Yanmar engine assembly. 120 Day guarantee. ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number1053723 MLS Number13274631CategoryAuxiliary Power Units (APU) Last Updated6/9/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2017 Thermo King TK270VFM Auxiliary Power Unit (APU) for a Peterbilt 579 $1,500 USD Good running Thermo King TK270VFM / Yanmar engine assembly. 120 Day guarantee. ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number1065188 MLS Number13872271CategoryAuxiliary Power Units (APU) Last Updated6/9/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2020 Paccar DX40 (MR2014P) Rear Differential for a Peterbilt 579 $900 USD Core - DX40 Rear (MR2014P) - 2.64 Ratio - Grade D - Bad Gearset - Bad Case. ConditionUsedRear End2.64 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number32667 MLS Number14386828CategoryDifferentials, Rear Last Updated5/22/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2016 Meritor-Rockwell RS21160 Rear Axle Housing for a Peterbilt 579 $950 USD Meritor Rear Axle Housing, RS21160, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. P/N RS21160NFNN449342, C223121Z1872, S/N FOR03625831. Removed From 2016 Reyco Air Suspension.... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number1812-4 MLS Number13895926CategoryAxle Housings, Rear Last Updated5/19/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Bendix EC-80 ABS Control Module for a 2023 Peterbilt 579 $350 USD ABS MODULE ABS CONTROLLER ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Part NumberK211946R000 10R-046739 Q27-1033-303Stock Number71525 MLS Number14286598CategoryABS Control Modules Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton D40-155 Front Axle Housing for a 2020 Peterbilt 579 $1,695 USD FRONT AXLE HOUSING D40-155 ON FLEXAIR/AG380 DISC BRAKE ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Part NumberDISC BRAKEStock Number120125-15 MLS Number14015452CategoryAxle Housings, Front Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton D40-155 Rear Axle Housing for a 2020 Peterbilt 579 $1,695 USD REAR AXLE HOUSING D40-155 ON FLEXAIR/AG380, Suspension: FLEXAIR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number120125-16 MLS Number14015451CategoryAxle Housings, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton D40-155 Rear Differential for a 2020 Peterbilt 579 $1,995 USD D40-155 RR 2.64 RATIO GOOD INSPECTED TAKEOUT, Ratio: 2.64 ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number120125-5 MLS Number14015443CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton D40-155 Front Differential for a 2020 Peterbilt 579 $2,695 USD D40-155 FRT 2.64 RATIO GOOD INSPECTED TAKEOUT, Ratio: 2.64 ConditionUsedRear End2.64 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number120125-4 MLS Number14015442CategoryDifferentials, Front Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell MT-40-14X Front Axle Housing for a 2023 Peterbilt 579 $1,795 USD FRONT AXLE HOUSING 40-14X AG400L DISC BRAKE BEARING SURFACES ARE GOOD ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number71525-10 MLS Number13727258CategoryAxle Housings, Front Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell 20-14X Rear Axle Housing for a 2017 Peterbilt 579 $1,495 USD USED REAR AXLE HOUSING, AG400L SUSPENSION, 20-14X, DRUM BRAKES, Hub Bolts: 10 PILOT, Suspension: AG400L, Brake Type: DRUM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2017Stock Number51925-14 MLS Number13634635CategoryAxle Housings, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell MT-40-14X Front Axle Housing for a 2017 Peterbilt 579 $1,495 USD USED FRONT AXLE HOUSING, AG400L SUSPENSION, 40-14X, DRUM BRAKES, Hub Bolts: 10 PILOT, Suspension: AG400L, Brake Type: DRUM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2017Stock Number51925-13 MLS Number13634634CategoryAxle Housings, Front Last Updated6/27/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Paccar DX40 Rear Differential for a 2019 Peterbilt 579 $1,995 USD DX40 / MV2014R 2.93 WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 2.93 ConditionUsedRear End2.93 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2019Part NumberDX40 MV2014RStock Number41325-4 MLS Number13523084CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential for a 2014 Peterbilt 579 $600 USD RSP40 3.25 WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Axle Spline Count: 41, Ratio: 3.25 ConditionUsedRear End3.25 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2014Part NumberRSP40Stock Number30325-4 MLS Number13446293CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Dana-Spicer D40-155 Rear Axle Housing for a 2020 Peterbilt 579 $1,895 USD USED REAR AXLE HOUSING, FLEXAIR SUSPENSION, D40-155, DRUM BRAKES, Hub Bolts: 10 PILOT, Suspension: FLEXAIR, Brake Type: DRUM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2020Stock Number21325-6 MLS Number13405399CategoryAxle Housings, Rear Last Updated5/15/2026 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 Rear Differential for a 2020 Peterbilt 579 $1,995 USD D40-155 2.64 REAR, 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 Number21325-4 MLS Number13405396CategoryDifferentials, Rear Last Updated5/15/2026 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 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 Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSH40 Rear Differential for a 2021 Peterbilt 579 $895 USD RSH40 3.55 TAKEOUT WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Axle Spline Count: 41, Core Charge: 250.00, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2021Stock Number12025-4 MLS Number13378535CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer RSP40 Rear Differential for a 2014 Peterbilt 579 $500 USD RSP40 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2014Stock Number110824-4 MLS Number13224036CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2014 Peterbilt 579 $995 USD DSP40 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2014Stock Number110824-3 MLS Number13224035CategoryDifferentials, Front Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Cummins ISX15 Engine for a 2014 Peterbilt 579 $14,995 USD ISX15 450HP CPL3937 CM2350 RUNS GOOD LIGHT BLOWBY, CHECK ROD AND MAIN BEARINGS, 180 DAY WARRANTY BLOCK HEAD CRANK, Serial#: 79685470, Horse Power: 450, ARR/CPL: 3937 ConditionUsedCPL/ARR3937Horse Power450 HPFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2014Part NumberCM2350Stock Number110824-1 MLS Number13224033CategoryEngines Last Updated9/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential for a 2016 Peterbilt 579 $795 USD RSP40 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 350.00, Ratio: 3.55 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Part NumberNAStock Number81224-2 MLS Number13068923CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell MT-40-14X Front Axle Housing for a 2017 Peterbilt 579 $1,495 USD GOOD USED FLEX AIR HOUSING ASSEMBLY/ DRUM BRAKE/ MERITOR 40-14X, Serial#: NA, Hub Bolts: 10, Suspension: FLEX AIR/AG380, Brake Type: DRUM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2017Stock Number70924-11 MLS Number12988105CategoryAxle Housings, Front Last Updated9/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Meritor-Rockwell 20-14X Rear Axle Housing for a 2023 Peterbilt 579 $1,695 USD USED REAR AXLE HOUSING, AG380 FLEX AIR SUSPENSION, 20-14X, DRUM BRAKES, Hub Bolts: 10 PILOT, Suspension: AG380 FLEX AIR, Brake Type: DRUM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number62424-6 MLS Number12957113CategoryAxle Housings, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Meritor-Rockwell MT40-14X Front Axle Housing for a 2023 Peterbilt 579 $1,695 USD USED FRONT AXLE HOUSING, AG380 FLEX AIR SUSPENSION, 40-14X, DRUM BRAKES, Hub Bolts: 10 PILOT, Suspension: AG380 FLEX AIR, Brake Type: DRUM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2023Stock Number62424-5 MLS Number12957112CategoryAxle Housings, Front Last Updated6/18/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info