'Peterbilt 579' search results in Rear Differentials For Sale

Meritor-Rockwell 20-14X Rear Differential for a 2023 Peterbilt 579

$995 USD

20-14X 2.79 RR INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 279

Condition	Used
Rear End	2.79 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	20426-4
MLS Number	14135970
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell RRL23-160 Rear Differential for a 2020 Peterbilt 579

$1,695 USD

RRL23161 2.67 LOCKER,INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.67

Condition	Used
Rear End	2.67 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Stock Number	112025-4
MLS Number	14004422
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell MT-40-14X Rear Differential for a 2024 Peterbilt 579

$1,495 USD

LOW MILE TAKEOUT,LOCKER (20-145 STYLE CASE) 90 DAY WARRANTY EXCHANGE, Serial#: NA, Core Charge: 750.00, Ratio: 3.08, Casting#: NA

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2024
Part Number	20-14X
Stock Number	110524-5
MLS Number	13992296
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell MT-40-14X Rear Differential for a 2023 Peterbilt 579

$1,695 USD

20-14X 2.85 RATIO LOW MILE, WILL INSPECT IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 2.85

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	71525-3
MLS Number	13727250
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell 20-14X Rear Differential for a 2017 Peterbilt 579

$895 USD

20-14X 2.64 WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 2.64

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Part Number	20-14X
Stock Number	51925-4
MLS Number	13634621
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell 20-14X Rear Differential for a 2017 Peterbilt 579

$695 USD

20-14X 3.08 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 350.00, Ratio: 3.08

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2017
Stock Number	70924-2
MLS Number	12988096
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell 20-14X Rear Differential for a 2023 Peterbilt 579

$1,095 USD

20-14X 2.85, 151K MILES, INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 2.85

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2023
Stock Number	62424-4
MLS Number	12957111
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell RSL23161 Rear Differential for a 2020 Peterbilt 579

$1,495 USD

RRL23-161 2.80 LOCKER, 166K MILES, INSPECTED IN OUR GEAR SHOP, 90 DAY WARANTY, Ratio: 2.80

Condition	Used
Rear End	2.80 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2020
Stock Number	60624-3
MLS Number	12924246
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Meritor-Rockwell 20-14X Rear Differential for a 2019 Peterbilt 579

$695 USD

20-14X 3.08 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 300.00, Ratio: 3.08

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2019
Part Number	20-14X
Stock Number	40824-3
MLS Number	12779283
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Dana-Spicer D40-155 Rear Differential for a 2016 Peterbilt 579

$1,695 USD

D40-155R 2.79 GOOD INSPECTED UNIT. 90 DAY WARRANTY/EXCHANGE, Axle Spline Count: 41, Core Charge: 400.00, Ratio: 2.79, Casting#: NA

Condition	Used
Rear End	2.79 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2016
Part Number	D40-155R
Stock Number	22424-3
MLS Number	12707320
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2018 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	25799962
MLS Number	13815216
Category	Differentials, Rear
Last Updated	12/31/2025
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2023 Meritor MR2014X Rear Differential for a Peterbilt 579

$435 USD

(USED) Meritor MR2014X Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: V2544

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25898677
MLS Number	14021010
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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	25896151
MLS Number	13998664
Category	Differentials, Rear
Last Updated	12/4/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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	25901329
MLS Number	14005660
Category	Differentials, Rear
Last Updated	11/28/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2017 Eaton RSP41 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP41 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25871754
MLS Number	13860785
Category	Differentials, Rear
Last Updated	11/26/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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NUMBERCall Seller

2020 Paccar MR2014P Rear Differential for a Peterbilt 579

$2,000 USD

GOOD USED TAKEOUT

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	28011
MLS Number	13619428
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2023 Eaton RSP41 Rear Differential for a Peterbilt 579

$795 USD

USED EATON RSP41 (REAR) REAR DIFFERENTIAL, RATIO 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	98650
MLS Number	13344824
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2016 Eaton RSP40 Rear Differential for a Peterbilt 579

$795 USD

USED EATON RSP40 REAR DIFFERENTIAL ASSEMBLY - RATIO: 2.64

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	84830
MLS Number	12832171
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2016 Meritor MR2014X Rear Differential for a Peterbilt 579

$435 USD

(USED) Meritor MR2014X Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200F2216

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25844210
MLS Number	13761853
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2017 Meritor RR20145 Rear Differential for a Peterbilt 579

$295 USD

(USED) Meritor RR20145 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200L1884

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25776819
MLS Number	13740167
Category	Differentials, Rear
Last Updated	8/4/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2019 Rockwell MR2014P Rear Differential for a Peterbilt 579

$2,500 USD

Condition	Used
Rear End	2.79 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	99193
MLS Number	13599625
Category	Differentials, Rear
Last Updated	5/22/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2020 Rockwell MR2014E Rear Differential for a Peterbilt 579

Contact for price

USED ROCKWELL MR2014E REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	90373
MLS Number	12835256
Category	Differentials, Rear
Last Updated	5/10/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(877) 254-___ SHOW
NUMBERCall Seller

2015 Eaton RSP40 Rear Differential for a Peterbilt 579

Contact for price

GTO

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	26936
MLS Number	12222818
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

2015 Rockwell MR20-14X Rear Differential for a Peterbilt 579

$950 USD

GTO

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	24658
MLS Number	10535078
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.