Used Rear Differentials For Sale in United States

Rockwell RS17144 Rear Differential for a Rockwell RS-17-144

$500 USD

Good used Rockwell RS-17-144 rear, rear differential assembly with parking brake. 5.57 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	5.57 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-17-144
Stock Number	Ryd RS-17-144/5.57/
MLS Number	14164847
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S150-S Rear Differential

$750 USD

Good used Spicer S150-S rear, rear differential assembly with emergency brake. 4.44 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	4.44 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S150-S
Stock Number	Ryd S150-S/4.44/36
MLS Number	14164846
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$500 USD

Good used inspected Rockwell RS-17-145 rear, rear differential assembly. 4.63 ratio 90 day gurantee for swap or refund

Condition	Used
Rear End	4.63 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-17-145
Stock Number	Ryd RS-17-145/4.63/
MLS Number	14164844
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS521 Rear Differential

$1,250 USD

Good used Eaton RS521 Rear, Rear Differential Assembly. 6.17 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	6.17 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS521
Stock Number	Ryd RS521/6.17/36
MLS Number	14164842
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS-23-185 Rear Differential

$750 USD

Good used Rockwell RS-23-185 rear, rear differential assembly. 3.73 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.73 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-23-185
Stock Number	Ryd RS-23-185/3.73/
MLS Number	14164839
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS-30-380 Rear Differential

$2,350 USD

Good used Rockwell RS-30-380 2 speed rear, rear differential assembly. 3.73-5.52 ratio. 90 day guarantee for swap or refund

Condition	Used
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-30-380
Stock Number	Ryd RS-30-380/3.73-
MLS Number	14164837
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Alliance R23-4N Rear Differential

$850 USD

Good used Alliance R23-4N 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)	ALLIANCE
Fits To Model(s)	R23-4N
Stock Number	RYD R23-4N/3.58/46
MLS Number	14164835
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS19145 Rear Differential for a Rockwell RS-19-145

$600 USD

Good used Rockwell RS-19-145 rear, rear differential assembly. 5.86 ratio 90 day gurantee for swap or refund.

Quantity	2
Condition	Used
Rear End	5.86 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-19-145
Stock Number	Ryd RS-19-145/5.86/
MLS Number	14164833
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S23-170 Rear Differential

$1,500 USD

Good used inspected Spicer S23-170 rear, rear differential assembly. 5.25 ratio 90 day gurantee for swap or refund

Condition	Used
Rear End	5.25 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S23-170
Stock Number	Ryd S23-170/5.25/46
MLS Number	12537315
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Alliance RT40-4N Rear Differential

$750 USD

Good used Alliance RT40-4N rear, rear differential assembly. 3.31 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	3.31 ratio
Fits To Make(s)	ALLIANCE
Fits To Model(s)	RT40-4N
Stock Number	Ryd RT40-4N/3.31/41
MLS Number	12302938
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$500 USD

Good used Eaton DS404 Rear, Rear Differential Assembly. 3.55 Ratio. 90 day guarantee for swap or refund

Quantity	3
Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/3.55/41
MLS Number	10204592
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton 19060-S Rear Differential

$500 USD

Good used Eaton 19060-S Rear, Rear Differential Assembly 6.17 Ratio 90 day guarantee for swap or refund,

Quantity	2
Condition	Used
Rear End	6.17 ratio
Fits To Make(s)	EATON
Fits To Model(s)	19060-S
Stock Number	Ryd 19060-S/6.17/39
MLS Number	10258337
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2003 Eaton RS404 Rear Differential for a Freightliner Columbia 120

$425 USD

(USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	25495485
MLS Number	12309341
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2020 Meritor MR2014X Rear Differential for a Peterbilt 579

$325 USD

(USED) Meritor MR2014X Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200F221602

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25670893
MLS Number	12989016
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential

$500 USD

Good used Eaton DS404 Rear, Rear Differential Assembly. 3.70 Ratio. 90 day guarantee for swap or refund

Quantity	3
Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/3.70/41
MLS Number	10295744
Category	Differentials, Rear
Last Updated	2/25/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Spicer 5.29 Rear Differential

Contact for price

Ratio 5.29, Spicer

Condition	Used
Stock Number	63
MLS Number	14022032
Category	Differentials, Rear
Last Updated	2/25/2026
Location	ORLANDO, FL, US
Sold By	USA Trade & Exports Inc.

2006 Eaton 23090S Rear Differential for a International 4400

$885 USD

(USED) Eaton 23090S Ratio: 5.29 Side Gear Splines: 36 W/ Locker: NO Cast#: 218778 Ref# HN02128576

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	4400
Part Number	HN02128576
Stock Number	25531266
MLS Number	12406636
Category	Differentials, Rear
Last Updated	2/25/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2011 Meritor RR20145 Rear Differential for a International Prostar

$360 USD

(USED) Meritor RR20145 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200R1864

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Stock Number	25617706
MLS Number	12758669
Category	Differentials, Rear
Last Updated	2/25/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2016 Meritor MR2014X Rear Differential for a Freightliner Cascadia

$375 USD

(USED) Meritor MR2014X Ratio: 2.47 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-F-2216 Ref# 3200-F-2216

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Part Number	3200-F-2216
Stock Number	25633957
MLS Number	12880362
Category	Differentials, Rear
Last Updated	2/25/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

Spicer Rear Differential for a Spicer S23-190

$1,600 USD

Good used Spicer S23190 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)	SPICER
Fits To Model(s)	S23-190
Stock Number	Ryd S23190/3.58/46
MLS Number	11358456
Category	Differentials, Rear
Last Updated	2/24/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S110-S Rear Differential

$700 USD

Good used Spicer S110-S rear, rear differential assembly. 4.56 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	4.56 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S110-S
Stock Number	Ryd S110-S/4.56/34
MLS Number	11121779
Category	Differentials, Rear
Last Updated	2/24/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S110L Rear Differential

$850 USD

Good used Spicer S110-L rear, rear differential assembly. 4.56 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	4.56 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S110L
Stock Number	Ryd S110L/4.56/34
MLS Number	10747879
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts