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   Axle Assemblies, Front (2)    Axle Assemblies, Rear (2)    Axle Housings, Front (4)    Axle Housings, Rear (9)    Differentials, Front (20)    Differentials, Rear (9)
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Showing 1 - 25 of 46 Listings

1 - 25 of 46 listings
1 - 25 of 46 listings
Dana-Spicer RSP40 Rear Differential for a 2017 Peterbilt 579

Dana-Spicer RSP40 Rear Differential for a 2017 Peterbilt 579

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(Used) 2017 Peterbilt 579, REAR DIFFERENTIAL GEARS ONLY- Part Number: C2-1A13FA3000000001, Serial Number: HN05045034, Make: Spicer, Model: RSP40, Ratio: 3.36, Capacity: 20,000 Lbs, For more...
ConditionUsed
Rear End3.36 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2017
Part NumberC2-1A13FA3000000001
Stock NumberP-55384
MLS Number12223680
CategoryDifferentials, Rear
Last Updated3/12/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana-Spicer RSP40 Rear Axle Housing for a 2017 Peterbilt 579

Dana-Spicer RSP40 Rear Axle Housing for a 2017 Peterbilt 579

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(Used) 2017 Peterbilt 579, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C2-1A13FA3000000001, Serial Number: HN05045034, Make: Spicer, Model: RSP40, Ratio: 3.36, Capacity: 20,000 Lbs, For...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2017
Part NumberC2-1A13FA3000000001
Stock NumberP-55382
MLS Number12223678
CategoryAxle Housings, Rear
Last Updated3/12/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana-Spicer RSP 40 Rear Axle Assembly for a 2017 Peterbilt 579

Dana-Spicer RSP 40 Rear Axle Assembly for a 2017 Peterbilt 579

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(Used) 2017 Peterbilt 579, COMPLETE REAR REAR TANDEM- Part Number: C2-1A13FA3000000001, Serial Number: HN05045034, Make: Spicer, Model: RSP40, Ratio: 3.36, Capacity: 20,000 Lbs, Hub Bolts:...
ConditionUsed
Rear End3.36 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2017
Part NumberC2-1A13FA3000000001
Stock NumberP-55381
MLS Number12223677
CategoryAxle Assemblies, Rear
Last Updated3/12/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Dana-Spicer DSP40 Rear Axle Housing for a 2017 Peterbilt 579

Dana-Spicer DSP40 Rear Axle Housing for a 2017 Peterbilt 579

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(Used) 2017 Peterbilt 579, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C1-1A43FA3000000001, Serial Number: HN05045033, Make: Spicer, Model: DSP40, Ratio: 3.36, Capacity: 20,000 Lbs, For...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2017
Part NumberC1-1A43FA3000000001
Stock NumberP-55377
MLS Number12223673
CategoryAxle Housings, Rear
Last Updated3/12/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Dana-Spicer S20-045B Rear Axle Housing for a 2016 Peterbilt 579

Dana-Spicer S20-045B Rear Axle Housing for a 2016 Peterbilt 579

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(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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Part Number7051751
Stock NumberP-51011
MLS Number12130175
CategoryAxle Housings, Rear
Last Updated3/12/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Dana-Spicer S20-045B Rear Axle Assembly for a 2016 Peterbilt 579

Dana-Spicer S20-045B Rear Axle Assembly for a 2016 Peterbilt 579

$5,995 USD
(Used) 2016 Peterbilt 579, COMPLETE REAR REAR TANDEM- Spicer® EconoTrek™ Tandem Axle. Front Drive Rear and Tag Rear no gears. Make: Spicer/Dana, Model: S20-045B, Serial Number: HN04227810,...
ConditionUsed
Rear End2.69 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Part Number7051751
Stock NumberP-51009
MLS Number12130173
CategoryAxle Assemblies, Rear
Last Updated3/12/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Dana-Spicer S23-190 Front Differential for a 2016 Peterbilt 579

Dana-Spicer S23-190 Front Differential for a 2016 Peterbilt 579

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(Used) 2016 Peterbilt 579, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Make: Spicer/Dana, Model: S23-190, Serial Number: HN04727453, Part Number: 515727, 7085061, C2-5GP2BN6000000001, Ratio:...
ConditionUsed
Rear End2.69 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Part Number515727
Stock NumberP-51001
MLS Number12130165
CategoryDifferentials, Front
Last Updated3/12/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Dana-Spicer S23-190 Rear Axle Housing for a 2016 Peterbilt 579

Dana-Spicer S23-190 Rear Axle Housing for a 2016 Peterbilt 579

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(Used) 2016 Peterbilt 579, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Make: Spicer/Dana, Model: S23-190, Serial Number: HN04727453, Part Number: 515727, 7085061, C2-5GP2BN6000000001, Ratio: 2...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Part Number515727
Stock NumberP-50997
MLS Number12130161
CategoryAxle Housings, Rear
Last Updated3/12/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana-Spicer S23-190 Front Differential for a 2016 Peterbilt 579

Dana-Spicer S23-190 Front Differential for a 2016 Peterbilt 579

Contact for price
(Used) 2016 Peterbilt 579, COMPLETE FRONT REAR TANDEM- Make: Spicer/Dana, Model: S23-190, Serial Number: HN04727453, Part Number: 515727, 7085061, C2-5GP2BN6000000001, Ratio: 2.69, Hub Bolts...
ConditionUsed
Rear End2.69 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Part Number515727
Stock NumberP-50995
MLS Number12130159
CategoryDifferentials, Front
Last Updated3/12/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana-Spicer D46-170 Rear Differential for a 2022 Peterbilt 579

Dana-Spicer D46-170 Rear Differential for a 2022 Peterbilt 579

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2022 PETE 579 SPICER D46-170, DOUBLE LOCKS, 3.58 RATIO, 46000 LBS, Ratio: 3.58
ConditionUsed
Rear End3.58 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2022
Stock Number3736-PETE-4
MLS Number13347802
CategoryDifferentials, Rear
Last Updated3/12/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Dana-Spicer D40-155 Front Differential for a 2018 Peterbilt 579

Dana-Spicer D40-155 Front Differential for a 2018 Peterbilt 579

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(Used) 2018 Peterbilt 579, FRONT DIFFERENTIAL GEARS ONLY- Part Number: 134660, Serial Number: TBD, Make: Spicer, Model: D40-155, Ratio: 2.64, Capacity: 19,000 Lbs, Reference images for...
ConditionUsed
Rear End2.64 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2018
Part Number134660
Stock NumberP-498045
MLS Number14158031
CategoryDifferentials, Front
Last Updated2/22/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana-Spicer D40-155 Front Differential for a 2018 Peterbilt 579

Dana-Spicer D40-155 Front Differential for a 2018 Peterbilt 579

Contact for price
(Used) 2018 Peterbilt 579, COMPLETE FRONT REAR TANDEM- Part Number: 134660, Serial Number: TBD, Make: Spicer, Model: D40-155, Ratio: 2.64, Capacity: 19,000 Lbs, Hub Bolts: 10, Brake Type:...
ConditionUsed
Rear End2.64 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2018
Part Number134660
Stock NumberP-498042
MLS Number14158028
CategoryDifferentials, Front
Last Updated2/22/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana-Spicer D40-155 Front Differential for a 2020 Peterbilt 579

Dana-Spicer D40-155 Front Differential for a 2020 Peterbilt 579

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(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...
ConditionUsed
Rear End2.79 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2020
Part NumberTBD
Stock NumberP-494303
MLS Number14094337
CategoryDifferentials, Front
Last Updated1/16/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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CRG Heavy Truck Parts
Dana-Spicer D40-155 Front Differential for a 2020 Peterbilt 579

Dana-Spicer D40-155 Front Differential for a 2020 Peterbilt 579

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...
ConditionUsed
Rear End2.79 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2020
Part Number10000891
Stock NumberP-494301
MLS Number14094334
CategoryDifferentials, Front
Last Updated1/16/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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CRG Heavy Truck Parts
Dana-Spicer DSP40 Front Differential for a 2014 Peterbilt 579

Dana-Spicer DSP40 Front Differential for a 2014 Peterbilt 579

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(Used) 2014 Peterbilt 579, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Part Number: 511331, Serial Number: BMG006399, Make: Spicer, Model: DSP40, Ratio: 3.90, Capacity: 18,999 Lbs, Reference...
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2014
Part Number511331
Stock NumberP-112357
MLS Number13867919
CategoryDifferentials, Front
Last Updated10/4/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana-Spicer DSP40 Front Differential for a 2014 Peterbilt 579

Dana-Spicer DSP40 Front Differential for a 2014 Peterbilt 579

Contact for price
(Used) 2014 Peterbilt 579, COMPLETE FRONT REAR TANDEM- Part Number: 511331, Serial Number: BMG006399, Make: Spicer, Model: DSP40, Ratio: 3.90, Capacity: 18,999 Lbs, Hub Bolts: 10, Brake Type...
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2014
Part Number511331
Stock NumberP-112353
MLS Number13867915
CategoryDifferentials, Front
Last Updated10/4/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana-Spicer DSP41 Front Differential for a 2016 Peterbilt 579

Dana-Spicer DSP41 Front Differential for a 2016 Peterbilt 579

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(Used) 2016 Peterbilt 579, FRONT DIFFERENTIAL GEARS ONLY- Serial Number: HN04665051, Part Number: TBD, Make: Spicer/Dana, Model: DSP41, Ratio: 2.64, Capacity: 19,000Lbs, Reference images for...
ConditionUsed
Rear End2.64 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Stock NumberP-111753
MLS Number13845310
CategoryDifferentials, Front
Last Updated9/24/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Dana-Spicer DSP41 Front Differential for a 2016 Peterbilt 579

Dana-Spicer DSP41 Front Differential for a 2016 Peterbilt 579

Contact for price
(Used) 2016 Peterbilt 579, COMPLETE FRONT REAR TANDEM- Serial Number: HN04665051/HN04665052, Part Number: TBD, Make: Spicer/Dana, Model: DSP41, Ratio: 2.64, Capacity: 19,000Lbs, Hub Bolts:...
ConditionUsed
Rear End2.64 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2016
Part Number515150
Stock NumberP-111749
MLS Number13845305
CategoryDifferentials, Front
Last Updated9/24/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana-Spicer DSP40 Front Differential for a 2025 Peterbilt 579

Dana-Spicer DSP40 Front Differential for a 2025 Peterbilt 579

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(Used) 2025 Peterbilt 579, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Serial Number: 122YMY02527475, Make: Spicer, Model: DSP40, Ratio: 3.08, Capacity: 20,000 Lbs, Reference images for...
ConditionUsed
Rear End3.08 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2025
Stock NumberP-109573
MLS Number13779339
CategoryDifferentials, Front
Last Updated8/26/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Dana-Spicer DSP40 Front Differential for a 2017 Peterbilt 579

Dana-Spicer DSP40 Front Differential for a 2017 Peterbilt 579

$999.99 USD
(Used) 2017 Peterbilt 579, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C1-1A43FA3000000001, Serial Number: HN05045033, Make: Spicer, Model: DSP40, Ratio: 3.36, Capacity: 20,000 Lbs, For...
ConditionUsed
Rear End3.36 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2017
Part NumberC1-1A43FA3000000001
Stock NumberP-55378
MLS Number12223674
CategoryDifferentials, Front
Last Updated7/12/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Dana-Spicer DSP40 Front Differential for a 2017 Peterbilt 579

Dana-Spicer DSP40 Front Differential for a 2017 Peterbilt 579

$1,799.99 USD
(Used) 2017 Peterbilt 579, COMPLETE FRONT REAR TANDEM- Part Number: C1-1A43FA3000000001, Serial Number: HN05045033, Make: Spicer, Model: DSP40, Ratio: 3.36, Capacity: 20,000 Lbs, Hub...
ConditionUsed
Rear End3.36 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2017
Part NumberC1-1A43FA3000000001
Stock NumberP-55376
MLS Number12223672
CategoryDifferentials, Front
Last Updated7/12/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Dana-Spicer DSP40 Front Differential for a 2018 Peterbilt 579

Dana-Spicer DSP40 Front Differential for a 2018 Peterbilt 579

Contact for price
(Used) 2018 Peterbilt 579, COMPLETE FRONT REAR TANDEM- Part Number: 514534, Serial Number: HN05183728, Make: Spicer, Model: DSP40, Ratio: 3.08, Capacity: 20,000 Lbs, Hub Bolts: 10, Brake...
ConditionUsed
Rear End3.08 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2018
Part Number514534
Stock NumberP-102923
MLS Number13606545
CategoryDifferentials, Front
Last Updated5/28/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Dana-Spicer D46-170 Front Axle Assembly for a 2022 Peterbilt 579

Dana-Spicer D46-170 Front Axle Assembly for a 2022 Peterbilt 579

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2022 PETE 579 EATON E1322LW STEER AXLE FOR PARTS, 3 1/2" DROP, ABS, DRUM BRAKE, 2 LEAF, 13200 LBS, Hub Bolts: 10, Ratio: 3.58, Suspension: LOW AIR LEAF, Brake Type: DRUM
ConditionUsed
Rear End3.58 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)579
Will Fit Year(s)2022
Stock Number3736-PETE-6
MLS Number13347804
CategoryAxle Assemblies, Front
Last Updated3/7/2025
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
NUMBERCall Seller
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Badger Truck Parts Ltd.
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