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

2022 Meritor-Rockwell MFS13B132B Front Axle Assembly for a Peterbilt 579

$850 USD

Meritor MFS13B132B Front Axle, 34" Senter To Center, 4" Spring Width, Air Drum ABS Brakes, 13,200 Pound Capacity, P/N- MFS13B132BNN10, S/N- MONO4410633

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	4581-4
MLS Number	14549851
Category	Axle Assemblies, Front
Last Updated	9/23/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2017 Meritor-Rockwell MFS12E122A Front Axle Assembly for a Peterbilt 579

$850 USD

Meritor MFS12E122ANN40 Front Axle,12,500 Capacity, 34" Center To Center, 4" Spring Width 10 Hole Pilot, Air Drum Brakes, ABS.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Capacity	12000
Stock Number	4262-4
MLS Number	13984907
Category	Axle Assemblies, Front
Last Updated	9/2/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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

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2015 PETE 579 MERITOR MT14-40X REAR REAR DIFF, 3.90 RATIO, NO LOCKS, ABS, DRUM BRAKE, 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-5
MLS Number	13749028
Category	Differentials, Rear
Last Updated	8/18/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Meritor-Rockwell RS23161 Rear Differential for a 2018 Peterbilt 579

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(Used) 2018 Peterbilt 579, DIFFERENTIAL GEARS ONLY- Part Number: C05-2A040113A10280, Serial Number: FOR04582790, 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)	2018
Part Number	C05-2A040113A10280
Stock Number	P-503991
MLS Number	14426970
Category	Differentials, Rear
Last Updated	8/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Meritor-Rockwell MD2014X Axle Shaft for a Peterbilt 579

$150 USD

Meritor/Rockwell MP2014X Axle Shaft, P/N 3206U1347, Casting# 6-R-1344

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1817-20
MLS Number	14149911
Category	Axle Shafts
Last Updated	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Meritor-Rockwell MD2014X Axle Shaft for a Peterbilt 579

$150 USD

Meritor/Rockwell MP2014X Axle Shaft, P/N 3206T1346, Casting# 6-P-1342

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1817-19
MLS Number	14149910
Category	Axle Shafts
Last Updated	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Meritor-Rockwell MR2014X Axle Shaft for a Peterbilt 579

$150 USD

Meritor/Rockwell MR2014X Axle Shaft, P/N 3206U1347, Casting# 6-R-1344

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1817-18
MLS Number	14149909
Category	Axle Shafts
Last Updated	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Meritor-Rockwell MR2014X Axle Shaft for a Peterbilt 579

$150 USD

Meritor/Rockwell MR2014X Axle Shaft, P/N 3206T1346, Casting# 6-P-1342

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1817-17
MLS Number	14149908
Category	Axle Shafts
Last Updated	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2017 Meritor-Rockwell MFS13143A Front Axle Assembly for a Peterbilt 579

$850 USD

Meritor MFS13143A Front Axle, 13.2K, 34" Spring Centers, 4" Spring Width, 10 Hole Pilot, Air Drum Brakes, ABS, P/N MFS13143ANN315, 3100S8599, S/N MONO2734803

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Capacity	34 x 4
Stock Number	1943-4
MLS Number	13897462
Category	Axle Assemblies, Front
Last Updated	7/31/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2018 Meritor-Rockwell MFS12E132C Front Axle Assembly for a Peterbilt 579

$850 USD

Meritor MFS12E132C Front Axle, 12K Capacity, 34" Spring Centers, 4" Spring Width, 10 Hole Pilot, Air Disc Brakes, ABS. P/N- MFS12E132CNN4, S/N- MON02885591

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	4548-4
MLS Number	14490947
Category	Axle Assemblies, Front
Last Updated	7/29/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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	8/31/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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....

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1812-4
MLS Number	13895926
Category	Axle Housings, Rear
Last Updated	5/19/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	71525-10
MLS Number	13727258
Category	Axle Housings, Front
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Stock Number	51925-14
MLS Number	13634635
Category	Axle Housings, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Meritor-Rockwell 20-14X Rear Axle Housing for a 2020 Peterbilt 579

$1,250 USD

RR AXLE HSG PACCAR LOW AIR LEAK 20 579 (BEARING SURFACES ARE GOOD) WHEEL BEARINGS WILL NEED TO BE RE TORQUED, Hub Bolts: 10 PILOT, Suspension: PACCAR LOW AIR LEAF, Brake Type: AIR DRUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Stock Number	90722-4
MLS Number	11607568
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.

(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 Axle Housing for a 2018 Peterbilt 579

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2018
Part Number	C05-2A040113A10280
Stock Number	P-113274
MLS Number	13916215
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Meritor-Rockwell RS23161 Rear Differential for a 2018 Peterbilt 579

Contact for price

(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	10/5/2026
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 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	9/5/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.