Rear Differentials For Sale in United States

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Rockwell RS21145 Rear Differential for a Rockwell RS-21-145

$600 USD

Good used Rockwell RS-21-145 rear, rear differential assembly. 3.58 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	Ryd RS-21-145/3.58/
MLS Number	10568084
Category	Differentials, Rear
Last Updated	1/15/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2013 Meritor-Rockwell MR2014XR342 Rear Differential

$450.15 USD

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	MR2014XR342
Stock Number	2204114
MLS Number	13644001
Category	Differentials, Rear
Last Updated	1/15/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

2022 Isuzu NPR Rear Differential for a Isuzu NPRR456

$1,750.34 USD

USED NPRR456 REAR REAR DIFFERENTIAL ASSY - 37,105 MILES

Condition	Used
Rear End	4.56 ratio
Fits To Make(s)	ISUZU
Fits To Model(s)	NPRR456
Stock Number	2582271
MLS Number	14001498
Category	Differentials, Rear
Last Updated	1/15/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

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2023 Eaton RDH40 Rear Differential for a Kenworth T880

$1,495 USD

RDH40 3.70 LOCKER Inspected Takeout +$650 Core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines,

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T880
Stock Number	16250
MLS Number	14092627
Category	Differentials, Rear
Last Updated	1/17/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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Meritor RR20145-3.58 Rear Differential

$899 USD

RR20145 3.58 Inspected takeout. +$150 core, Yoke; SPL170, Side gear; 41 Spline, Input shaft; 39 Spline

Condition	Used
Stock Number	15318
MLS Number	13869094
Category	Differentials, Rear
Last Updated	1/15/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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2016 Eaton RDH40 Rear Differential for a Kenworth T880

$1,495 USD

RDH40 3.70 LOCKER Inspected Takeout +$650 core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T880
Stock Number	14737
MLS Number	13780952
Category	Differentials, Rear
Last Updated	1/15/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(844) 402-___ SHOW
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Meritor-Rockwell RS26185 Rear Differential for a 2008 Seagrave Pumpers

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(Used) 2008 Seagrave Pumpers, DIFFERENTIAL GEARS ONLY- Part Number: R124-00H, Serial Number: NWK00086519, Make: Meritor, Model: RS26185, Ratio: 5.38, Capacity: 27,000 Lbs, For more...

Condition	Used
Rear End	5.38 ratio
Fits To Make(s)	Seagrave
Fits To Model(s)	Pumpers
Will Fit Year(s)	2008
Part Number	R124-00H
Stock Number	P-494176
MLS Number	14091956
Category	Differentials, Rear
Last Updated	1/15/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 402-___ SHOW
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Meritor-Rockwell RD20-145 Rear Differential for a 2018 Peterbilt 567

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(Used) 2018 Peterbilt 567, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C05-2101011HK00373, Serial number: F0R04320937, Make: Meritor, Model: RD20-145, Ratio: 3.73, Capacity: 20,000 Lbs,...

Condition	Used
Rear End	3.73 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	567
Will Fit Year(s)	2018
Part Number	C05-2101011HK00373
Stock Number	P-494137
MLS Number	14091903
Category	Differentials, Rear
Last Updated	1/15/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Eaton Rear Differential for a 1987 GMC Brigadier

$1,995 USD

RC402 4.33 RATIO USED T.O.LOCKER, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY., Ratio: 433

Condition	Used
Rear End	4.33 ratio
Fits To Make(s)	GMC
Fits To Model(s)	Brigadier
Will Fit Year(s)	1987
Stock Number	11126-3
MLS Number	14091649
Category	Differentials, Rear
Last Updated	1/16/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton Rear Differential for a 2006 Peterbilt 378

$3,295 USD

D46-170 LOCKER REAR USED T.O 3.91 RATIO WILL INSPECT IN OUR GEARSHOP 90 DAY WARRANTY.SUSPENSION ASSY INVENTORIED SEPERATLY., Ratio: 3.91

Condition	Used
Rear End	3.91 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Stock Number	11026-2
MLS Number	14091634
Category	Differentials, Rear
Last Updated	1/16/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(855) 370-___ SHOW
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2009 Eaton S23-170 Rear Differential for a International Durastar (4400)

$1,816 USD

(USED) Eaton S23-170 Ratio: 3.73 Side Gear Splines: 46 W/ Locker: NO Cast#: CANNOT VERIFY

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	DURASTAR (4400)
Stock Number	25660042
MLS Number	13170578
Category	Differentials, Rear
Last Updated	1/15/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
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2012 Meritor MS1714X Rear Differential for a Freightliner M2 106

$425 USD

(USED) Meritor MS1714X Ratio: 4.88 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-K-1675

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Stock Number	25825473
MLS Number	13697306
Category	Differentials, Rear
Last Updated	1/15/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(866) 314-___ SHOW
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Meritor-Rockwell RD20145 Rear Differential

$950 USD

3.58,

Condition	Used
Stock Number	REAR-2252
MLS Number	14088417
Category	Differentials, Rear
Last Updated	1/14/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

(866) 314-___ SHOW
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Meritor-Rockwell RD20145 Rear Differential

$950 USD

3.58,

Condition	Used
Stock Number	REAR-2251
MLS Number	14088409
Category	Differentials, Rear
Last Updated	1/14/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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Isuzu NPR Rear Differential

$600 USD

Good used Isuzu NPR rear, rear differential assemby. 5.13 ratio 90 day guarantee for swap or refund

Condition	Used
Rear End	5.13 ratio
Fits To Make(s)	ISUZU
Fits To Model(s)	NPR
Stock Number	Ryd NPR/5.13/20
MLS Number	11904349
Category	Differentials, Rear
Last Updated	1/15/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(844) 402-___ SHOW
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Meritor-Rockwell RT46-160 Rear Differential for a 2019 Peterbilt 567

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(Used) 2019 Peterbilt 567, REAR DIFFERENTIAL GEARS ONLY- Part Number: C05-24010044A10489, Serial Number: FOR04872602, Make: Meritor, Model: RT46-160, Ratio: 4.89, Capacity: 23,000 Lbs, For...

Condition	Used
Rear End	4.89 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	567
Will Fit Year(s)	2019
Part Number	C05-24010044A10489
Stock Number	P-494099
MLS Number	14088222
Category	Differentials, Rear
Last Updated	1/14/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(855) 794-___ SHOW
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2012 Meritor-Rockwell MR2014X Rear Differential for a Mack CXU613

$500 USD

MR2014X - 3.25 Ratio - Pullout - P/N MR2014X325. DIFF ONLY, HOUsING SOLD SEPARATELY

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	MACK
Fits To Model(s)	CXU613
Stock Number	UPS-272558-4
MLS Number	13890766
Category	Differentials, Rear
Last Updated	1/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton 21060S Rear Differential

$400 USD

21060S - 5.57 - Pullout - Grade A - Unit In Good Condition.

Condition	Used
Rear End	5.57 ratio
Stock Number	4537079
MLS Number	13889599
Category	Differentials, Rear
Last Updated	1/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Meritor-Rockwell MR2014XR308 Rear Differential

$450.15 USD

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	MR2014XR308
Stock Number	2593384
MLS Number	14068895
Category	Differentials, Rear
Last Updated	1/14/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

Eaton RS404 Rear Differential for a 2000 Kenworth T800

$695 USD

RS404 3.90 RATIO USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY., Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2000
Stock Number	10826-2
MLS Number	14087670
Category	Differentials, Rear
Last Updated	1/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DSP40 Rear Differential for a 2012 Kenworth T660

$795 USD

RSP40 USED TAKEOUT, 3.55 RATIO WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Will Fit Year(s)	2012
Stock Number	10926-3
MLS Number	14087649
Category	Differentials, Rear
Last Updated	1/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2016 Meritor-Rockwell RS23160R267 Rear Differential

$1,300.24 USD

MERITOR-ROCKWELL, RS23160, 2.67 RATIO

Condition	Used
Rear End	2.67 ratio
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	RS23160R267
Stock Number	2592370
MLS Number	14063837
Category	Differentials, Rear
Last Updated	1/18/2026
Location	Easton, MD, US
Sold By	LKQ Heavy Truck

(877) 254-___ SHOW
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1995 Eaton RS402 Rear Differential for a Freightliner FLD120

$850 USD

TAKE OUT 100 DAY WARRANTY

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	FLD120
Stock Number	11321
MLS Number	10532726
Category	Differentials, Rear
Last Updated	1/14/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(855) 980-___ SHOW
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Detroit DA-RT-40.0-4T Rear Differential for a 2021 Freightliner Cascadia

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GOOD SHAPE, Ratio: 216

Condition	Used
Rear End	2.16 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2021
Stock Number	MF9583-3
MLS Number	14087519
Category	Differentials, Rear
Last Updated	1/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts