'Peterbilt 579' search results in Axles &amp; Differentials For Sale

Meritor-Rockwell RS23161 Rear Differential for a 2022 Peterbilt 579

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(Used) 2022 Peterbilt 579, DIFFERENTIAL GEARS ONLY- Part Number: C6-5G21D003A072P40, Serial Number: FOR06862760, Make: Meritor, Model: RS23-161, Ratio: 2.80, Capacity: 22,700 Lbs, Reference...

Condition	Used
Rear End	2.80 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2022
Part Number	C6-5G21D003A072P40
Stock Number	P-509462
MLS Number	14498136
Category	Differentials, Rear
Last Updated	7/22/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(833) 541-___ SHOW
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Dana-Spicer RSP40 Rear Axle Housing for a 2014 Peterbilt 579

$1,350 USD

RSP40 LOW AIR LEAF HOUSING 014 579, Hub Bolts: 10 PILOT, Suspension: PETE LOW AIR LEAF, Brake Type: DRUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2014
Stock Number	70323-1
MLS Number	12166380
Category	Axle Housings, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell MT-40-14X Rear Differential for a 2017 Peterbilt 579

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2017 PETE 579 REAR REAR MERITOR MT40-14X DIFF WITH 2.64 RATIO WITH LOCK, Serial#: NA, Ratio: 2.64, Casting#: NA

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Stock Number	3879-PETE-2
MLS Number	13927863
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Meritor-Rockwell MT40-14X Front Axle Assembly for a 2015 Peterbilt 579

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2015 PETE 579 MERITOR MFS12E STEER AXLE, 3.74" DROP, 2 LEAF, ABS, DISC BRAKES, 12000 LBS, Serial#: NA, Hub Bolts: 10, Ratio: 3.90, Suspension: LOW AIR LEAF

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2015
Part Number	MFS12E
Stock Number	3858-PETE-6
MLS Number	13749029
Category	Axle Assemblies, Front
Last Updated	6/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Meritor-Rockwell MT40-14X Front Differential for a 2015 Peterbilt 579

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2015 PETE 579 MERITOR MT14-40X FRONT REAR DIFF, 3.90 RATIO NO LOCKS, DRUM BRAKES, ABS, 40000 LBS, Serial#: NA, Ratio: 3.90, Casting#: NA

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2015
Stock Number	3858-PETE-4
MLS Number	13749027
Category	Differentials, Front
Last Updated	6/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton DSP41 Front Axle Assembly for a 2016 Peterbilt 579

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2016 PETE 579 EATON E1322W STEER AXLE, DISC BRAKES, ABS, 2 LEAF, 13000 LBS, Hub Bolts: 10, Ratio: 3.36, Suspension: LOW AIR LEAF, Brake Type: DISC

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2016
Part Number	E1322W
Stock Number	3846-PETE-5
MLS Number	13686056
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton DSP41 Rear Differential for a 2016 Peterbilt 579

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2016 PETE 579 EATON DSP41, 3.36 RATIO, LOW AIR LEAF, DISC BRAKES, ABS, 52" SPREAD, 40000 LBS, Serial#: NA, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2016
Stock Number	3846-PETE-4
MLS Number	13686055
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton DSP40 Rear Axle Assembly for a 2015 Peterbilt 579

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2015 PETE 579 EATON DSP40, 3.55 RATIO, REAR LOCK ONLY, LOW AIR LEAF SUSPENSION, 52" SPREAD, 40000 LBS, Serial#: NA, Ratio: 3.55, Casting#: NA

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2015
Stock Number	3770-PETE-4
MLS Number	13435092
Category	Axle Assemblies, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Paccar DX40 Rear Differential for a 2019 Peterbilt 579

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2019 PETE 579 PACCAR DX40, 2.93 RATIO, NO LOCKS, 40000 LBS, Ratio: 2.93

Condition	Used
Rear End	2.93 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Stock Number	3730-PETE-2
MLS Number	13347815
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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

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2022 PETE 579 LOW AIR LEAF, 54" SPREAD, ABS, 40000 LBS, Ratio: 3.58

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2022
Stock Number	3736-PETE-5
MLS Number	13347803
Category	Differentials, Front
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2022
Stock Number	3736-PETE-4
MLS Number	13347802
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

(844) 604-___ SHOW
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Meritor-Rockwell MT-40-14X Front Axle Assembly for a 2019 Peterbilt 579

$2,500 USD

Good used Meritor/Rockwell MT-40-14X Front rear axle assembly from a 2019 Peterbilt 579 truck. The axle assembly has been visually inspected and is in good condition. The axle assembly...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Part Number	240316-25
Stock Number	240316-25
MLS Number	13810875
Category	Axle Assemblies, Front
Last Updated	6/13/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

(844) 604-___ SHOW
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Meritor-Rockwell MT-40-14X Rear Axle Assembly for a 2019 Peterbilt 579

$2,500 USD

Good used Meritor/Rockwell MT-40-14X Rear axle assembly from a 2019 Peterbilt 579 truck. The rear axle assembly has been visually inspected and is in good condition. The ratio is 2.85. The...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Part Number	240316-24
Stock Number	240316-24
MLS Number	13810874
Category	Axle Assemblies, Rear
Last Updated	6/13/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Meritor-Rockwell RS23161 Rear Differential for a 2018 Peterbilt 579

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(Used) 2018 Peterbilt 579, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C05-2A040113A10280, Serial Number: F0R04578702, Make: Meritor, Model: RS23-161, Ratio: 2.80, Capacity: 22,700 Lbs,...

Condition	Used
Rear End	2.80 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2018
Part Number	C05-2A040113A10280
Stock Number	P-113275
MLS Number	13916216
Category	Differentials, Rear
Last Updated	7/30/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Meritor-Rockwell RS23161 Rear Differential for a 2019 Peterbilt 579

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(Used) 2019 Peterbilt 579, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: C05-2A0401CHA10358, Serial Number: F0R05278769, Make: Meritor, Model: RS23-161, Ratio: 3.58, Capacity: 21,000 Lbs,...

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Part Number	C05-2A0401CHA10358
Stock Number	P-89033
MLS Number	13147321
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Meritor-Rockwell RR26160 Rear Axle Housing for a 2018 Peterbilt 579

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(Used) 2018 Peterbilt 579, COMPLETE DIFFERENTIAL HOUSING ONLY- Part Number: 3200S1891, Serial Number: TBD, Make: Meritor, Model: RR26160, Ratio: 2.50, Capacity: 22,700 Lbs, Suspension: Air...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2018
Stock Number	P-113679
MLS Number	13968777
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Meritor-Rockwell MV2014P3DFRNN13-264 Rear Axle Housing for a 2019 Peterbilt 579

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(Used) 2019 Peterbilt 579, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Make: Meritor/Rockwell, Model: MV2014P3DFRNN13-264, Serial Number: FORO5147366, Part Number: C7-1A01A2000C92H20, Ratio:...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Part Number	C7-1A01A2000C92H20
Stock Number	P-47053
MLS Number	12029374
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(855) 750-___ SHOW
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2014 Peterbilt 579 Front Axle Housing

$1,500 USD

GOOD CONDITION FORWARD REAR, WITH DEAD REAR REAR

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	12131
MLS Number	10894749
Category	Axle Housings, Front
Last Updated	9/16/2025
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

Meritor-Rockwell MT-40-14X Front Differential for a 2017 Peterbilt 579

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2017 PETE 579 FRONT REAR MERITOR MT40-14X., 2.64 RATIO, WITH LOCK, Serial#: NA, Ratio: 2.64, Casting#: NA

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Stock Number	3879-PETE-1
MLS Number	13927862
Category	Differentials, Front
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton DSP40 Front Axle Assembly for a 2015 Peterbilt 579

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2015 PETE 579 EATON E1202I STEER AXLE,2 LEAF, ABS., DRUM BRAKE, 12000 LBS, Serial#: NA, Hub Bolts: 10, Ratio: 3.55, Suspension: LOW AIR LEAF

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2015
Stock Number	3770-PETE-5
MLS Number	13435093
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Paccar DX40 Front Axle Assembly for a 2019 Peterbilt 579

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2019 PETE 579 PACCAR MFS12E, 2 LEAF, ABS, DRUM BRAKE, 12500 LBS, Hub Bolts: 10, Ratio: 2.93, Suspension: FLEX AIR, Brake Type: DRUM

Condition	Used
Rear End	2.93 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Stock Number	3730-PETE-4
MLS Number	13347816
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2022
Stock Number	3736-PETE-6
MLS Number	13347804
Category	Axle Assemblies, Front
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.