Rockwell Rear Differentials For Sale

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Rockwell RS19145 Rear Differential

$795 USD

USED ROCKWELL RS19145 REAR DIFFERENTIAL RATIO: 3.90 WITH 39 SPLINE AXLES

Condition	Used
Rear End	3.90 ratio
Stock Number	99741
MLS Number	14062580
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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2016 Rockwell MR2014X Rear Differential for a Freightliner CASCADIA 125

Price Drop $350 USD

USED ROCKWELL MR2014X REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA 125
Stock Number	85881
MLS Number	12832618
Category	Differentials, Rear
Last Updated	1/24/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

Rockwell RR20145 Rear Differential

$1,200 USD

REBUILT ONE YEAR WARRANTY!!!!!!

Condition	Remanufactured
Rear End	2.79 ratio
Stock Number	27353
MLS Number	12767731
Category	Differentials, Rear
Last Updated	12/25/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Rockwell RR20145 Rear Differential

$1,200 USD

REBUILT ONE YEAR WARRANTY!!!

Condition	Remanufactured
Rear End	3.90 ratio
Stock Number	27351
MLS Number	12767729
Category	Differentials, Rear
Last Updated	12/25/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2023 Rockwell RRL20-145 Rear Differential for a Mack MD642

$1,650 USD

20-145 LOCKER REAR 5.57 RATIO

Condition	Used
Rear End	5.57 ratio
Fits To Make(s)	MACK
Fits To Model(s)	MD642
Stock Number	28282
MLS Number	14027800
Category	Differentials, Rear
Last Updated	12/19/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2016 Rockwell RR 40-145 Rear Differential for a Western Star 4900EX

$750 USD

GOOD TAKE PUT REAR 3.42 RATIO

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	WESTERN STAR
Fits To Model(s)	4900EX
Stock Number	28198
MLS Number	13824195
Category	Differentials, Rear
Last Updated	12/19/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Rockwell RR20145 Rear Differential

$1,200 USD

1 YEAR WARRANTY

Condition	Remanufactured
Rear End	3.58 ratio
Stock Number	27619
MLS Number	13070991
Category	Differentials, Rear
Last Updated	12/19/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2011 Rockwell RRL23-160 Rear Differential for a International PROSTAR

Contact for price

GTO

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	PROSTAR
Stock Number	26245
MLS Number	11683455
Category	Differentials, Rear
Last Updated	12/19/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Rockwell RSL-23-180 Rear Differential

$1,500 USD

Remanufactured Rockwell RS-23-180 locking front, rear differential assembly. 3.58 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	3.58 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RSL-23-180
Stock Number	BP TRS RSL-23-180/3
MLS Number	14050761
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS23180 Rear Differential for a Rockwell RS-23-180

$1,500 USD

Remanufactured Rockwell RS-23-180 rear, rear differential assembly. 2.93 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	2.93 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-23-180
Stock Number	BP TRS RS-23-180/2.
MLS Number	14050728
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RR23160 Rear Differential

$1,250 USD

New Genuine Rockwell RR-23-160 rear, rear differential assembly. 3.91 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	3.91 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RR23160
Stock Number	BP TRS RR23160/3.91
MLS Number	14050725
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell SQR100 Rear Differential

$1,000 USD

Remanufactured Rockwell SQR100 rear, rear differential assembly. 3.70 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	3.70 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	SQR100
Stock Number	BP TRS SQR100/3.70
MLS Number	14050723
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RSL-23-160 Rear Differential

$1,500 USD

Remanufactured Rockwell RS-23-160 locking rear, rear differential assembly. 4.56 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	4.56 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RSL-23-160
Stock Number	BP TRS RSL-23-160/4
MLS Number	14050722
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS23160 Rear Differential for a Rockwell RS-23-160

$1,500 USD

Remanufactured Rockwell RS-23-160 rear, rear differential assembly. 4.56 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	4.56 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-23-160
Stock Number	BP TRS RS-23-160/4.
MLS Number	14050721
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,000 USD

Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 6.43 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	6.43 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	BP TRS RS-21-145/6.
MLS Number	14050719
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS23180 Rear Differential for a Rockwell RS-23-180

$1,500 USD

Remanufactured Rockwell RS-23-180 rear, rear differential assembly. 3.42 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	2
Condition	Remanufactured
Rear End	3.42 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-23-180
Stock Number	BP TRS RS-23-180/3.
MLS Number	14050718
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RSL-21-145 Rear Differential

$1,500 USD

Remanufactured Rockwell RS-21-145 locking rear, rear differential assembly. 4.10 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	4.10 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RSL-21-145
Stock Number	BP TRS RSL-21-145/4
MLS Number	14050711
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS15120 Rear Differential for a Rockwell RS-15-120

$1,000 USD

Remanufactured Rockwell RS-15-120 rear, rear differential assembly. 5.29 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	5.29 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-15-120
Stock Number	BP TRS RS-15-120/5.
MLS Number	14050705
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell R-170 Rear Differential

$1,250 USD

Remanufactured Rockwell R-170 rear, rear differential assembly. 3.70 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	3.70 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	R-170
Stock Number	BP TRS R-170/3.70
MLS Number	14050693
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell QT140 Rear Differential

$1,250 USD

Remanufactured Rockwell QT140 rear, rear differential assembly. 4.11 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	4.11 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	QT140
Stock Number	BP TRS QT140/4.11
MLS Number	14050686
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RC22145 Rear Differential

$1,250 USD

Remanufactured Rockwell RC22145 rear, rear differential assembly. 5.13 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	2
Condition	Remanufactured
Rear End	5.13 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RC22145
Stock Number	BP TRS RC22145/5.13
MLS Number	14050685
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS23160 Rear Differential for a Rockwell RS-23-160

$1,500 USD

Remanufactured Rockwell RS-23-160 rear, rear differential assembly. 3.58 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	3.58 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-23-160
Stock Number	BP TRS RS-23-160/3.
MLS Number	14050683
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS15120 Rear Differential for a Rockwell RS-15-120

$1,000 USD

Remanufactured Rockwell RS-15-120 rear, rear differential assembly. 5.57 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	5.57 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-15-120
Stock Number	BP TRS RS-15-120/5.
MLS Number	14050680
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS15120 Rear Differential for a Rockwell RS-15-120

$1,000 USD

Remaufactured Rockwell RS-15-120 rear, rear differential assemlby. 4.10 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	4.10 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-15-120
Stock Number	BP TRS RS-15-120/4.
MLS Number	14050674
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts