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

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Eaton-Spicer DSP41 Front Differential for a 2016 Peterbilt 579

$1,500 USD

GOOD USED, Core Charge: 450, Ratio: 2.93

Condition	Used
Rear End	2.93 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Will Fit Year(s)	2016
Stock Number	2A1E55227
MLS Number	12669074
Category	Differentials, Front
Last Updated	3/12/2026
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

2020 Paccar DX40 (MR2014P) Rear Differential for a Peterbilt 579

$1,500 USD

DX40 Rear (MR2014P) - 2.64 Ratio - Pullout - DIFF ONLY, HOUSING SOLD SEPARATELY

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	2028-21
MLS Number	13903530
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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	2/26/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2020 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	998-4
MLS Number	13889213
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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.

2016 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. P/N E673121P1966. Removed From 2016 Peterbilt...

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	958-20
MLS Number	14050859
Category	Axle Housings, Rear
Last Updated	2/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2016 Meritor-Rockwell RS21160 Rear Axle Housing for a Peterbilt 579

$850 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	2/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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.

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	25502244
MLS Number	12339467
Category	Axle Assemblies, Front
Last Updated	2/1/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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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.

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.

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.

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.

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.

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: 33 Wheel Type: 10 BOLT PILOT Ref# 1202TB101 1202TB101, ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	1202TB101
Stock Number	25400337
MLS Number	11963066
Category	Axle Assemblies, Front
Last Updated	1/2/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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.

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.

2016 Eaton RSP41 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP41 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25540335
MLS Number	12450653
Category	Differentials, Rear
Last Updated	12/22/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2021 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	25791923
MLS Number	13558678
Category	Differentials, Rear
Last Updated	12/20/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2016 Meritor MR2014X Rear Differential for a Peterbilt 579

$375 USD

(USED) Meritor MR2014X Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-K-1675

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25638305
MLS Number	12863222
Category	Differentials, Rear
Last Updated	12/13/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

Eaton D40-155 Front Axle Housing for a 2020 Peterbilt 579

$1,695 USD

FRONT AXLE HOUSING D40-155 ON FLEXAIR/AG380 DISC BRAKE

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Part Number	DISC BRAKE
Stock Number	120125-15
MLS Number	14015452
Category	Axle Housings, Front
Last Updated	12/4/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton D40-155 Rear Axle Housing for a 2020 Peterbilt 579

$1,695 USD

REAR AXLE HOUSING D40-155 ON FLEXAIR/AG380, Suspension: FLEXAIR

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Stock Number	120125-16
MLS Number	14015451
Category	Axle Housings, Rear
Last Updated	12/4/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton D40-155 Rear Differential for a 2020 Peterbilt 579

$1,995 USD

D40-155 RR 2.64 RATIO GOOD INSPECTED TAKEOUT, Ratio: 2.64

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Stock Number	120125-5
MLS Number	14015443
Category	Differentials, Rear
Last Updated	12/4/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton D40-155 Front Differential for a 2020 Peterbilt 579

$2,695 USD

D40-155 FRT 2.64 RATIO GOOD INSPECTED TAKEOUT, Ratio: 2.64

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Stock Number	120125-4
MLS Number	14015442
Category	Differentials, Front
Last Updated	12/4/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts