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7951 - 7975 of 9,175 listings

Meritor-Rockwell MFS13143A Front Axle Assembly for a Peterbilt 579

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

$1,000 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	4/16/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Meritor-Rockwell MR2014X Rear Differential for a Peterbilt 579

Meritor-Rockwell MR2014X Rear Differential for a Peterbilt 579

$500 USD

MR2014X - 3.42 Ratio - Pullout - Grade A - Unit In Good Condition.

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1817-4
MLS Number	13895985
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Meritor-Rockwell MP2014X Front Differential for a Peterbilt 579

Meritor-Rockwell MP2014X Front Differential for a Peterbilt 579

$850 USD

MP2014X - 3.42 Ratio - Pullout - P/N MP2014X342. DIFF ONLY, HOUSING SOLD SEPARATELY.

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1817-3
MLS Number	13895984
Category	Differentials, Front
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Paccar MX-13 Engine Control Module (ECM) for a Peterbilt 579

2020 Paccar MX-13 Engine Control Module (ECM) for a Peterbilt 579

$1,050 USD

(USED) Paccar MX13 Serial #: Y244996 HP: 455 Ref# 2160700 NEEDS TESTED

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	2160700
Stock Number	25677125
MLS Number	13014256
Category	Engine Control Modules (ECM)
Last Updated	4/12/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton E-1252I Front Axle Assembly for a Peterbilt 579

2015 Eaton E-1252I Front Axle Assembly for a Peterbilt 579

$1,028 USD

(USED) Eaton E-1252I Rating: 12350 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT CAST# 1462TB100, ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25493570
MLS Number	12303986
Category	Axle Assemblies, Front
Last Updated	3/27/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Meritor MR2014X Rear Differential for a Peterbilt 579

2020 Meritor MR2014X Rear Differential for a Peterbilt 579

$325 USD

(USED) Meritor MR2014X Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200F221602

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25670893
MLS Number	12989016
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

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

2019 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579

$1,028 USD

(USED) Meritor MFS-12E Rating: 12000 Brake Type: AIR DRUM Spring Center: 33 Wheel Type: 10 BOLT PILOT 86892 ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25628332
MLS Number	12776069
Category	Axle Assemblies, Front
Last Updated	2/14/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Rockwell MD2014X Front Differential for a Peterbilt 579

2021 Rockwell MD2014X Front Differential for a Peterbilt 579

$1,795 USD

USED ROCKWELL MD2014X (LOCKER) FRONT REAR DIFFERENTIAL/3.25 RATIO

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	97892
MLS Number	13226073
Category	Differentials, Front
Last Updated	1/29/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Tim Jordan's Truck Parts Inc.

Eaton RSP40 Rear Differential for a Peterbilt 579

2019 Eaton RSP40 Rear Differential for a Peterbilt 579

$395 USD

(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: NONE Ref# 7012393

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	7012393
Stock Number	25712985
MLS Number	13230922
Category	Differentials, Rear
Last Updated	1/16/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton E-1322LW Front Axle Assembly for a Peterbilt 579

2020 Eaton E-1322LW Front Axle Assembly for a Peterbilt 579

$1,375 USD

(USED) Eaton E-1322LW Rating: 13200 Brake Type: AIR DRUM Spring Center: 34 Wheel Type: 10 BOLT PILOT CAST # 693906, ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25738272
MLS Number	13315398
Category	Axle Assemblies, Front
Last Updated	1/8/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

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

2016 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579

$1,028 USD

(USED) Meritor MFS-12E Rating: 12000 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT CAST # 3100-U-8601, ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25821574
MLS Number	13689205
Category	Axle Assemblies, Front
Last Updated	1/8/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Meritor MR2014X Rear Differential for a Peterbilt 579

2018 Meritor MR2014X Rear Differential for a Peterbilt 579

$998 USD

(USED) Meritor MR2014X Ratio: 3.42 Side Gear Splines: 41 W/ Locker: YES Cast#: 3200-F-1878

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25526943
MLS Number	12393055
Category	Differentials, Rear
Last Updated	1/7/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Meritor MR2014X Rear Differential for a Peterbilt 579

2019 Meritor MR2014X Rear Differential for a Peterbilt 579

$375 USD

(USED) Meritor MR2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-F-221602-E Ref# 3200F2216

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	3200F2216
Stock Number	25807698
MLS Number	13686008
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Meritor MD2014X Front Differential for a Peterbilt 579

2019 Meritor MD2014X Front Differential for a Peterbilt 579

$850 USD

(USED) Meritor MD2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: Could Not Verify

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25806524
MLS Number	13686012
Category	Differentials, Front
Last Updated	12/31/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RSH40 Rear Differential for a Peterbilt 579

2018 Eaton RSH40 Rear Differential for a Peterbilt 579

$795 USD

USED EATON RSH40 REAR REAR DIFFERENTIAL/3.55 RATIO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	89974
MLS Number	12834984
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Tim Jordan's Truck Parts Inc.

Eaton RSP40 Rear Differential for a Peterbilt 579

2013 Eaton RSP40 Rear Differential for a Peterbilt 579

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL/3.36 RATIO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	72176
MLS Number	12827374
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Tim Jordan's Truck Parts Inc.

Meritor RS23160 Rear Differential for a Peterbilt 579

2017 Meritor RS23160 Rear Differential for a Peterbilt 579

$650 USD

(USED) Meritor RS23160 Ratio: 2.67 Side Gear Splines: 46 W/ Locker: YES Cast#: 3200-S-1891

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25790030
MLS Number	13556540
Category	Differentials, Rear
Last Updated	8/6/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Meritor MFS-12 Front Axle Assembly for a Peterbilt 579

2019 Meritor MFS-12 Front Axle Assembly for a Peterbilt 579

$1,028 USD

(USED) Meritor MFS-12 Rating: 12000 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT ABS NON UNITIZED

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25822726
MLS Number	13686437
Category	Axle Assemblies, Front
Last Updated	7/20/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Meritor MR2014X Rear Differential for a Peterbilt 579

2019 Meritor MR2014X Rear Differential for a Peterbilt 579

$375 USD

(USED) Meritor MR2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200F2216

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25806529
MLS Number	13686011
Category	Differentials, Rear
Last Updated	7/18/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Cummins ISX15 Engine Control Module (ECM) for a Peterbilt 579

2015 Cummins ISX15 Engine Control Module (ECM) for a Peterbilt 579

$950 USD

(USED) Cummins ISX15 Serial #: 79792843 CPL/Arr: CPL 3937 HP: 400 TESTED

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25827206
MLS Number	13702103
Category	Engine Control Modules (ECM)
Last Updated	7/16/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

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

2019 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579

$1,028 USD

(USED) Meritor MFS-12E Rating: 12500 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT 86892, ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25807691
MLS Number	13660988
Category	Axle Assemblies, Front
Last Updated	7/13/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Meritor MR2014X Rear Axle Housing for a Peterbilt 579

2019 Meritor MR2014X Rear Axle Housing for a Peterbilt 579

$850 USD

(USED) Meritor MR2014X Brake Type: AIR DISC Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : 72 DOES NOT INCLUDE BRAKE CALIPERS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25807699
MLS Number	13661338
Category	Axle Housings, Rear
Last Updated	7/13/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton E-1202W Front Axle Assembly for a Peterbilt 579

2015 Eaton E-1202W Front Axle Assembly for a Peterbilt 579

$1,028 USD

(USED) Eaton E-1202W Rating: 12000 Brake Type: AIR DRUM Spring Center: 34 Wheel Type: 10 BOLT PILOT CAST # 1202TB101, ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25819358
MLS Number	13679186
Category	Axle Assemblies, Front
Last Updated	7/2/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Cummins ISX15 Engine for a Peterbilt 579

2017 Cummins ISX15 Engine for a Peterbilt 579

$14,500 USD

ENGINE RUNS WELL AND HOLDS GOOD OIL PRESSURE/ 120 DAY WARRANTY ON ALL MAJOR CASTING PARTS

Condition	Used
Horse Power	415 HP
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	26483
MLS Number	11955822
Category	Engines
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

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

2016 Meritor MFS-12E Front Axle Assembly for a Peterbilt 579

$1,028 USD

(USED) Meritor MFS-12E Rating: 12000 Brake Type: AIR DRUM Spring Center: 33 Wheel Type: 10 BOLT PILOT

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25690200
MLS Number	13085724
Category	Axle Assemblies, Front
Last Updated	6/28/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

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