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

2020 Eaton-Spicer E1322LW Front Axle Assembly

$1,720 USD

USED FRONT AXLE ASSEMBLY OFF A 2020 PETERBILT 579. 13,000 LBS CAPACITY, 34" SPR MEAS, 10 BOLT HUB PILOTED, AIR-DRUM BRAKES. 2579703

Condition	Used
Fits To Make(s)	EATON-SPICER
Fits To Model(s)	E1322LW
Capacity	13,000 LBS
Stock Number	2579703
MLS Number	13992481
Category	Axle Assemblies, Front
Last Updated	3/1/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

2020 Eaton-Spicer 128435 Axle Shaft

$150.24 USD

186934-821 2020 PETERBILT 579 AXLE SHAFT 41 SPLINE 10 HOLE NON TAPERED 43.307 LENGTH #1

Condition	Used
Fits To Make(s)	EATON-SPICER
Fits To Model(s)	128435
Stock Number	2496858
MLS Number	14186870
Category	Axle Shafts
Last Updated	3/1/2026
Location	Spokane Valley, WA, US
Sold By	LKQ Heavy Truck

2019 Meritor-Rockwell 579 Axle Shaft

$175 USD

S21F0043 - Used Axle Shaft from a 2019 Peterbilt 579

Condition	Used
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	579
Stock Number	2357704
MLS Number	14186245
Category	Axle Shafts
Last Updated	3/1/2026
Location	Spokane Valley, WA, US
Sold By	LKQ Heavy Truck

2019 Meritor-Rockwell 579 Axle Shaft

$192 USD

S21F0043 - Used Axle Shaft from a 2019 Peterbilt 579

Condition	Used
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	579
Stock Number	2357701
MLS Number	14186244
Category	Axle Shafts
Last Updated	3/1/2026
Location	Spokane Valley, WA, US
Sold By	LKQ Heavy Truck

(855) 794-___ SHOW
NUMBERCall Seller

Meritor-Rockwell MR2014X Rear Axle Housing for a Peterbilt 579

$850 USD

Meritor Rear Axle Housing, MR2014X, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS, 53.5" Inner Flange To Inner Flange, STD Track. Missing Both Axle Shafts. P/N E673121P1966....

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1817-6
MLS Number	13895987
Category	Axle Housings, Rear
Last Updated	2/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(844) 402-___ SHOW
NUMBERCall Seller

Paccar MV2014P Differential Core

$798.98 USD

(Core) Peterbilt 579, FRONT REARS TANDEM- Part Number: 3200Q2539, Make: PACCAR, Model: MV2014P, Ratio: 2.64, Capacity: 20,000 Lbs, Reference images for condition For more...

Condition	Used
Stock Number	P-108456
MLS Number	13748120
Category	Differential Cores
Last Updated	4/3/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2016 Meritor-Rockwell MFS-12E-143A-N Front Axle Assembly

$1,095.24 USD

USED STEER AXLE OFF OF A 2016 PETERBILT 579 WITH DISC BRAKES.

Condition	Used
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	MFS-12E-143A-N
Capacity	12000
Stock Number	2295065
MLS Number	12286988
Category	Axle Assemblies, Front
Last Updated	6/3/2025
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

2017 Meritor-Rockwell MFS-12E-143A-N Front Axle Assembly

$1,095.24 USD

USED MERITOR-ROCKWELL MFS-12-143A-N STEER AXLE OFF OF A 2017 PETERBILT 579. AXLE HAS DISC BRAKES.

Condition	Used
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	MFS-12E-143A-N
Capacity	12000
Stock Number	2300007
MLS Number	12325685
Category	Axle Assemblies, Front
Last Updated	6/3/2025
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

(844) 604-___ SHOW
NUMBERCall Seller

Paccar MR2014P3 Rear Axle Housing for a 2019 Peterbilt 579

$2,000 USD

Used like New PACCAR Rear Axle housing. The Axle housing has been visually inspected and is in like new condition. The Ratio on the axle housing is 285. The axle housing has corrosion. The...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Part Number	P-100968
Stock Number	P-100968
MLS Number	13186604
Category	Axle Housings, Rear
Last Updated	9/30/2025
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

(833) 835-___ SHOW
NUMBERCall Seller

Meritor-Rockwell MR2014X Front Differential for a 2023 Peterbilt 579

Contact for price

2023 Meritor Rockwell MR20-14T Rear Rear Differential Assembly 2.79 Ratio - Capacity: 20,000 lbs. - Used - May have some cosmetic blemishes (see photos). Got questions or need more...

Condition	Used
Rear End	2.79 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	PT-0837-6
MLS Number	12738559
Category	Differentials, Front
Last Updated	5/4/2024
Location	York, ON, Canada
Sold By	Lomoca Inc.

(855) 750-___ SHOW
NUMBERCall Seller

2014 Peterbilt 579 Rear Axle Housing

$1,500 USD

OEM# 324458, GOOD CONDITION REAR REAR, USED IN REAR APPLICATION BUT EMPTY FORWARD CASE

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	12132
MLS Number	10894750
Category	Axle Housings, Rear
Last Updated	4/19/2023
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

(855) 750-___ SHOW
NUMBERCall Seller

2016 Peterbilt 579 Front Axle Assembly

2019 Peterbilt 579 Front Axle Assembly

$2,750 USD

PACCAR OEM: B05-6040-1111, BEAM: 70685-001, L SPINDLE: 58900-495, R SPINDLE: 58900-496

Condition	Used
Suspension	Hendrickson
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	17536
MLS Number	13908514
Category	Axle Assemblies, Front
Last Updated	11/25/2025
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

2018 Meritor MFS-13 Front Axle Assembly for a Peterbilt 579

$1,028 USD

(USED) Meritor MFS-13 Rating: 13200 Brake Type: AIR DRUM Spring Center: 33.75 Wheel Type: 10 BOLT PILOT Ref# B05-6043-0B7200000 4195P, ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	B05-6043-0B7200000
Stock Number	25891412
MLS Number	13965016
Category	Axle Assemblies, Front
Last Updated	11/5/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2020 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579

$1,028 USD

(USED) Meritor MFS-12E Rating: 12350 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT Ref# B05-6043-007100000 ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	B05-6043-007100000
Stock Number	25890881
MLS Number	13962259
Category	Axle Assemblies, Front
Last Updated	11/2/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2017 Meritor RS23160 Rear Differential for a Peterbilt 579

$1,156 USD

(USED) Meritor RS23160 Ratio: 3.07 Side Gear Splines: 46 W/ Locker: YES Cast#: 3200.S-1891 Ref# 3200-S-1891

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	3200-S-1891
Stock Number	25866895
MLS Number	13826610
Category	Differentials, Rear
Last Updated	9/22/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2018 Meritor MFS-13 Front Axle Assembly for a Peterbilt 579

$1,028 USD

(USED) Meritor MFS-13 Rating: 13200 Brake Type: AIR DRUM Spring Center: 34 Wheel Type: 10 BOLT PILOT Ref# B05-6043-0B7200000 16207CAD, ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	B05-6043-0B7200000
Stock Number	25846494
MLS Number	13772514
Category	Axle Assemblies, Front
Last Updated	8/21/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2016 Eaton RSP40 Rear Differential for a Peterbilt 579

$415 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# N/A

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	N/A
Stock Number	25830535
MLS Number	13752116
Category	Differentials, Rear
Last Updated	8/16/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(833) 359-___ SHOW
NUMBERCall Seller

2007 Eaton DSP40 Front Differential for a Peterbilt 387

$1,295 USD

USED EATON DSP40 FRONT DIFFERENTIAL ASSEMBLY - RATIO: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	387
Stock Number	57993
MLS Number	12820533
Category	Differentials, Front
Last Updated	3/26/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(855) 624-___ SHOW
NUMBERCall Seller

Meritor-Rockwell MX14 Rear Differential for a 2015 Peterbilt 579

Contact for price

MERITOR MX14 3.70 RATIO 40000 LBS NO LOCKS, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2015
Stock Number	3364-PETE-3
MLS Number	13343932
Category	Differentials, Rear
Last Updated	3/7/2025
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

(833) 359-___ SHOW
NUMBERCall Seller

2007 Eaton RSP40 Rear Differential for a Peterbilt 387

$795 USD

USED EATON RSP40 REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	387
Stock Number	57994
MLS Number	12820534
Category	Differentials, Rear
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(844) 641-___ SHOW
NUMBERCall Seller

2000 Peterbilt 379 Axle Shaft

Contact for price

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	379
Stock Number	5799
MLS Number	10572940
Category	Axle Shafts
Last Updated	4/25/2024
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

(844) 641-___ SHOW
NUMBERCall Seller

2000 Peterbilt 379 Axle Shaft

Contact for price

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	379
Stock Number	5798
MLS Number	10572939
Category	Axle Shafts
Last Updated	4/25/2024
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

(844) 641-___ SHOW
NUMBERCall Seller

2000 Peterbilt 379 Axle Shaft

Contact for price

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	379
Stock Number	5797
MLS Number	10572938
Category	Axle Shafts
Last Updated	4/25/2024
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.