Rockwell Rear Differentials For Sale

Rockwell RSL-23-180 Rear Differential

$1,700 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	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,700 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	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RR23160 Rear Differential

$1,300 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	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,700 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	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,200 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	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,700 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	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RSL-21-145 Rear Differential

$1,675 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	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,700 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	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,200 USD

Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 5.13 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	5.13 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	BP TRS RS-21-145/5.
MLS Number	14050670
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RSL-21-145 Rear Differential

$1,675 USD

Remanufactured Rockwell RS-21-145 Locking rear, rear differential assembly. 3.42 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	3.42 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RSL-21-145
Stock Number	BP TRS RSL-21-145/3
MLS Number	14050664
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RSL-23-160 Rear Differential

$1,700 USD

Remanufactured Rockwell RS-23-160 locking rear, rear differential assembly. 6.83 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	6.83 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RSL-23-160
Stock Number	BP TRS RSL-23-160/6
MLS Number	14050661
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,200 USD

Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 3.73 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	4
Condition	Remanufactured
Rear End	3.73 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	BP TRS RS-21-145/3.
MLS Number	14050658
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,700 USD

Remanufactured Rockwell RS-23-160 rear, rear differential assembly. 7.17 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	7.17 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-23-160
Stock Number	BP TRS RS-23-160/7.
MLS Number	14050654
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS21230 Rear Differential for a Rockwell RS-21-230

$1,700 USD

Remanufactured Rockwell RS-21-230 rear, rear differential assembly. 6.50 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	6.50 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-230
Stock Number	BP TRS RS-21-230/6.
MLS Number	14050632
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,200 USD

Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 3.07 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	3.07 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	BP TRS RS-21-145/3.
MLS Number	14050623
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,200 USD

Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 2.64 ratio.

Quantity	4
Condition	Remanufactured
Rear End	2.64 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	BP TRS RS-21-145/2.
MLS Number	14050592
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,700 USD

Remanufactured Rockwell RS-23-180 rear, rear differential assembly. 5.38 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	6
Condition	Remanufactured
Rear End	5.38 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-23-180
Stock Number	BP TRS RS-23-180/5.
MLS Number	14050584
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,200 USD

Remanufactured Rockwell RS-21-145 rear, rear differential assembly. 4.56 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	2
Condition	Remanufactured
Rear End	4.56 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	BP TRS RS-21-145/4.
MLS Number	14050578
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RSL-23-160 Rear Differential

$1,700 USD

Remanufactured Rockwell RS-23-160 locking rear, rear differential assembly. 4.30 ratio.

Condition	Remanufactured
Rear End	4.30 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RSL-23-160
Stock Number	BP TRS RSL-23-160/4
MLS Number	14050574
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RSL-21-145 Rear Differential

$1,675 USD

Remanufactured Rockwell RS-21-145 locking 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)	RSL-21-145
Stock Number	BP TRS RSL-21-145/4
MLS Number	14050560
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,200 USD

Remanufactured Rockwell RS-21-145 new style 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)	RS-21-145
Stock Number	BP TRS RS-21-145/4.
MLS Number	14050556
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,700 USD

Remanufactured Rockwell RS-23-160 rear, rear differential assembly. 2.50 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	2.50 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-23-160
Stock Number	BP TRS RS-23-160/2.
MLS Number	14050521
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts