Rockwell Rear Differentials For Sale by Dealerships

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2016 Rockwell MR2014X Rear Differential for a Freightliner CASCADIA 125

$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 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 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 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

Rockwell RS17145 Rear Differential for a Rockwell RS-17-145

$1,000 USD

Remanufactured Rockwell RS-17-145 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-17-145
Stock Number	BP TRS RS-17-145/3.
MLS Number	14050665
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell H-172 Rear Differential

$1,250 USD

Remanufactured Rockwell H-172 rear, rear differential assembly. 6.17 ratio 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	6.17 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	H-172
Stock Number	BP TRS H-172/6.17
MLS Number	14050629
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 R170 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)	R-170
Stock Number	BP TRS R-170/5.29
MLS Number	14050627
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell D140 Rear Differential

$1,500 USD

Remanufactured Rockwell D140 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)	D140
Stock Number	BP TRS D140/5.29
MLS Number	14050537
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell SQHR Rear Differential

$1,000 USD

Remanufactured Rockwell SQHR rear, rear differential assembly. 3.55 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	2
Condition	Remanufactured
Rear End	3.55 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	SQHR
Stock Number	BP TRS SQHR/3.55
MLS Number	14050483
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS17145 Rear Differential for a Rockwell RS-17-145

$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

Quantity	2
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	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. 4.88 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	4.88 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	SQR100
Stock Number	BP TRS SQR100/4.88
MLS Number	14050437
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS17145 Rear Differential for a Rockwell RS-17-145

$1,000 USD

Remanufactured Rockwell RS-17-145 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-17-145
Stock Number	BP TRS RS-17-145/5.
MLS Number	14050393
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RR20145 Rear Differential

$1,250 USD

REMAN 1 YEAR WARR.

Condition	Remanufactured
Rear End	3.58 ratio
Stock Number	28285
MLS Number	14045099
Category	Differentials, Rear
Last Updated	12/19/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2015 Rockwell RR20145 Rear Differential for a Freightliner Cascadia

$850 USD

RR 20-145 TAKEOUT 3.21 RATIO

Condition	Used
Rear End	3.21 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia
Stock Number	28232
MLS Number	13871738
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.