Rockwell Rear Differentials For Sale in United States

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Rockwell SQ100 Rear Differential

$650 USD

TAKE OUT 100 DAY WARRANTY

Condition	Used
Rear End	3.70 ratio
Stock Number	10239
MLS Number	10532662
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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Rockwell RR20145 Rear Differential

$750 USD

GTO WITH POSITIVE LOCK 100 DAY WARRANTY

Condition	Used
Rear End	3.90 ratio
Stock Number	7202
MLS Number	10532518
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Rockwell 20-145 Rear Differential

$550 USD

USED ROCKWELL 20-145 REAR DIFFERENTIAL ASSEMBLY, RATIO 3.90.

Condition	Used
Part Number	20-145, RATIO 3.90
Stock Number	S4112
MLS Number	10155511
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Rockwell 20-145 Rear Differential, RATIO 3.42

$550 USD

USED ROCKWELL 20-145 REAR DIFFERENTIAL ASSEMBLY, RATIO 3.42.

Condition	Used
Part Number	20-145 RATIO 3.42
Stock Number	S4110
MLS Number	10155507
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Rockwell MD2014X Rear Differential, RATIO 3.25

$650 USD

USED ROCKWELL MD20-14X REAR DIFFERENTIAL ASSEMBLY, RATIO 3.25

Condition	Used
Part Number	MD20-14X , RATIO 3.25
Stock Number	S4106
MLS Number	10155498
Category	Differentials, Rear
Last Updated	4/2/2020
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Rockwell 20-145 Rear Differential, Ratio 3.73

$550 USD

USED ROCKWELL 20-145 REAR DIFFERENTIAL, RATIO 3.73, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGINE.

Condition	Used
Part Number	20-145, Ratio 3.73
Stock Number	S4102
MLS Number	10149826
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Rockwell 20-145 Rear Differential, Ratio 3.91

$550 USD

USED ROCKWELL 20-145 REAR DIFFERENTIAL, RATIO 3.91, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGINE.

Condition	Used
Part Number	20-145, Ratio 3.91
Stock Number	S4101
MLS Number	10149825
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Rockwell 20-145 Rear Differential, Ratio 3.90

$550 USD

USED ROCKWELL 20-145 REAR DIFFERENTIAL ASSEMBLY, RATIO 3.90, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGINE.

Condition	Used
Part Number	20-145, Ratio 3.90
Stock Number	S4101
MLS Number	10149823
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Rockwell 20-145 Rear Differential, Ratio 3.91

$550 USD

USED ROCKWELL 20-145 REAR DIFFERENTIAL ASSEMBLY, RATIO 3.91, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGINE.

Condition	Used
Part Number	20-145, Ratio 3.91
Stock Number	S4099
MLS Number	10149794
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Rockwell 20-145 Rear Differential Ratio 3.58

$550 USD

USED ROCKWELL REAR DIFFERENTIAL ASSEMBLY 20-145, RATIO 3.58, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGINE.

Condition	Used
Part Number	20-145
Stock Number	S4097
MLS Number	10149790
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Rockwell MD2014X Rear Differential RATIO 3.42

$650 USD

USED ROCKWELL MD2014X REAR DIFFERENTIAL ASSEMBLY, RATIO 3.42, WARRANTY AVAILABLE, FOR MORE INFORMATION PLEASE CALL (833) 396-5166.

Condition	Used
Part Number	MD20+14X
Stock Number	S4096
MLS Number	10134438
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Rockwell MD2014X Rear Differential, Ratio 3.36

$850 USD

USED ROCKWELL MD20-14X REAR DIFFERENTIAL ASSEMBLY, RATIO3.36.

Condition	Used
Part Number	MD20-14x
Stock Number	S4050
MLS Number	10107811
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Rockwell 20-145 Rear Differential Ratio 3.21

$650 USD

USED ROCKWELL REAR DIFFERENTIAL 20-145, RATIO 3.21.

Condition	Used
Part Number	20-145
Stock Number	S4056
MLS Number	10092332
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

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1992 Rockwell SSHD Rear Differential

Contact for price

REMANUFACTURED SSHD REAR REAR DIFFERENTIAL WITH R:4.11, COMPLETE, INSPECTED READY TO WORK, ALSO MANY DIFFS IN STOCK (USED AND REMANS)

Condition	Remanufactured
Stock Number	1157-1125191
MLS Number	9985496
Category	Differentials, Rear
Last Updated	5/30/2020
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

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2006 Rockwell Rear Differential RT23160

Contact for price

REMANUFACTURED RT-23160 ROCKWELL REAR REAR DIFFERENTIAL R:3.58 LOCKER, ALSO MANY DIFFERENTIALS IN STOCK. - FOR PRICE AND SHIPPING CONTACT US AT 786.412.1447 OR 786.412.8910, ALSO VISIT...

Condition	Remanufactured
Stock Number	729-1003198
MLS Number	9929254
Category	Differentials, Rear
Last Updated	5/30/2020
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

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1992 Rockwell SQ100 REAR Rear Differential

Contact for price

1992 ROCKWELL SQ-100 DIFFERENTIALS RATIO 3.42, USED REAR REAR SQ-100 ROCKWELL DIFFERENTIAL RATIO 3.42, USED INSPECTED READY TO WORK., ALSO MANY RATIOS AVAILABLE.

Condition	Used
Stock Number	282-07301910
MLS Number	9851751
Category	Differentials, Rear
Last Updated	5/30/2020
Location	Miami, FL, US
Sold By	4-Trucks Enterprises LLC

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Rockwell RS20145 Rear Differential

Recently Updated

$1,495 USD

REBUILT ROCKWELL RS20145 REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.73

Condition	Remanufactured
Rear End	3.73 ratio
Stock Number	ROR03606
MLS Number	12812121
Category	Differentials, Rear
Last Updated	3/11/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(888) 519-___ SHOW
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Rockwell RS17145 Rear Differential for a Rockwell RS-17-145

Recently Updated

$1,000 USD

Remanufactured Rockwell RS-17-145 rear, rear differential assembly. 4.33 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	4.33 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-17-145
Stock Number	BP TRS RS-17-145/4.
MLS Number	14050450
Category	Differentials, Rear
Last Updated	3/11/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell H-170 Rear Differential

Recently Updated

$600 USD

#482. Turns. Ratio: 6.83. Used, No Tag locker: NO, Core Charge: 0.00, Ratio: 6.83

Condition	Used
Rear End	6.83 ratio
Fits To Make(s)	Rockwell
Fits To Model(s)	H-170
Stock Number	165616
MLS Number	11614282
Category	Differentials, Rear
Last Updated	3/12/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Rockwell SQHR Rear Differential

Recently Updated

$1,200 USD

SQHR Ratio 3.70 Turns 360., Core Charge: 300.00, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Rockwell
Fits To Model(s)	SQHR
Stock Number	156781
MLS Number	11614220
Category	Differentials, Rear
Last Updated	3/12/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Rockwell SQHR Rear Differential

Recently Updated

$1,200 USD

SQHR Ratio 3.70 Turns 360., Core Charge: 300.00, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Rockwell
Fits To Model(s)	SQHR
Stock Number	156780
MLS Number	11614219
Category	Differentials, Rear
Last Updated	3/12/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Rockwell SLHR Rear Differential

Recently Updated

$1,200 USD

SLHR Ratio 3.90 Turns 360., Core Charge: 300.00, Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Rockwell
Fits To Model(s)	SLHR
Stock Number	156779
MLS Number	11614217
Category	Differentials, Rear
Last Updated	3/12/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Rockwell RS23160 Rear Differential for a 2003 Sterling A9500 series

Recently Updated

$1,500 USD

RS23160. No Tag, . Turns. Ratio: 3.07. Out of Truck #367. Used locker: NO, Core Charge: 300.00, Ratio: 3.07

Condition	Used
Rear End	3.07 ratio
Fits To Make(s)	Sterling
Fits To Model(s)	A9500 series
Will Fit Year(s)	2003
Stock Number	156941
MLS Number	12213808
Category	Differentials, Rear
Last Updated	3/12/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Rockwell SQHR Rear Differential

Recently Updated

$675 USD

Core Charge: 0.00, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Rockwell
Fits To Model(s)	SQHR
Stock Number	17256
MLS Number	9062570
Category	Differentials, Rear
Last Updated	3/12/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts