Rear Differentials For Sale

Eaton RS404 Rear Differential

$600 USD

Good used Eaton DS404 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)	RS404
Stock Number	Ryd RS404/6.17/41
MLS Number	13426325
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S23-170 Rear Differential

$1,600 USD

Good used Spicer S23-170 rear, rear differential assembly. 5.25ratio. 90 day guarantee 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	13363039
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Alliance R20-4N Rear Differential

$950 USD

Good used Alliance R20-4N full locking Rear, rear Differential Assembly. 5.22 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	5.22 ratio
Fits To Make(s)	ALLIANCE
Fits To Model(s)	R20-4N
Stock Number	Ryd R20-4N/5.22/46
MLS Number	13363022
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS405 Rear Differential

$600 USD

Good used Eaton RS405 rear, rear differential assembly. 3.25 ratio 90 day guarantee for swap or refund

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS405
Stock Number	Ryd RS405/3.25/41
MLS Number	13162507
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Alliance RT40-4N Rear Differential

$850 USD

Good used Alliance RT40-4N rear, rear differential assembly. 2.41 ratio 90 day gurantee for swap or refund

Quantity	3
Condition	Used
Rear End	2.41 ratio
Fits To Make(s)	ALLIANCE
Fits To Model(s)	RT40-4N
Stock Number	Ryd RT40-4N/2.41/41
MLS Number	12062513
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S-150 Rear Differential

$700 USD

Good used Spicer S-150 rear, rear differential assembly. 3.91 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.91 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S-150
Stock Number	Ryd S-150/3.91/36
MLS Number	11802790
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

$600 USD

Good used Rockwell RS-20-145 rear, rear differential assembly. 4.33 ratio. 90 day guarantee for swap or refund.

Condition	Used
Rear End	4.33 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-20-145
Stock Number	Ryd RS-20-145/4.33/
MLS Number	11661954
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

$600 USD

Good used Rockwell RS-20-145 rear, rear differentital assembly. 5.13 ratio. 90 day guarantee for swap or refund.

Condition	Used
Rear End	5.13 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-20-145
Stock Number	Ryd RS-20-145/5.13/
MLS Number	11620999
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton 23080-S Rear Differential

$850 USD

Good used Eaton 23080-S rear, rear differential assembly. 3.08 ratio. 90 day guarentee for swap or refund.

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	EATON
Fits To Model(s)	23080-S
Stock Number	Ryd 23080-S/3.08/36
MLS Number	11586247
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

$600 USD

Good used Rockwell RS-20-145 rear, rear differential assembly. 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-20-145
Stock Number	Ryd RS-20-145/5.57/
MLS Number	11459109
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S23-170 Rear Differential

$1,600 USD

Good used Spicer S23-170 rear, rear differential assembly. 5.57 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	5.57 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S23-170
Stock Number	Ryd S23-170/5.57/46
MLS Number	11348582
Category	Differentials, Rear
Last Updated	7/30/2025
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 with emergency brake. 5.13 ratio. 90 day guarantee for swap or refund

Quantity	5
Condition	Used
Rear End	5.13 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-19-145
Stock Number	Ryd RS-19-145/5.13/
MLS Number	11999594
Category	Differentials, Rear
Last Updated	7/30/2025
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. 5.29 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	5.29 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-19-145
Stock Number	Ryd RS-19-145/5.29/
MLS Number	11999590
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

$600 USD

Good used Rockwell RS-20-145 rear, rear differential assembly. 2.64 Ratio. 90 day guarantee for swap or refund,

Quantity	3
Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-20-145
Stock Number	Ryd RS-20-145/2.64/
MLS Number	12332039
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer RA57 Rear Differential

$550 USD

Good used Spicer RA57 rear, rear differential assembly. 4.10 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	4.10 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	RA57
Stock Number	Ryd RA57/4.10/46
MLS Number	10806788
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S-230 Rear Differential

$850 USD

Good used Spicer S-230 rear, rear differential assembly. 3.73 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	3.73 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S-230
Stock Number	Ryd S-230/3.73/46
MLS Number	10643466
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$850 USD

Good used Rockwell RS-23-160 rear, rear differential assembly. 5.38 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	5.38 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-23-160
Stock Number	Ryd RS-23-160/5.38/
MLS Number	10568072
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$600 USD

Good used Rockwell RS-21-145 rear, rear differential assembly. 5.86 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	5.86 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	Ryd RS-21-145/5.86/
MLS Number	11121773
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Volvo EV87 Rear Differential

$850 USD

Good used Volvo EV87 rear, rear differential assembly. 3.78 Ratio. 90 day guarantee for swap or refund,

Condition	Used
Rear End	3.78 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	EV87
Stock Number	Ryd EV87/3.78/17
MLS Number	10204626
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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2020 Meritor-Rockwell MS1714XR557 Rear Differential

$895.24 USD

Condition	Used
Rear End	5.57 ratio
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	MS1714XR557
Stock Number	2331830
MLS Number	12536990
Category	Differentials, Rear
Last Updated	4/29/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

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NUMBERCall Seller

2017 Meritor-Rockwell MR2014XR247 Rear Differential

$450.15 USD

Condition	Used
Rear End	2.47 ratio
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	MR2014XR247
Stock Number	2313365
MLS Number	12727979
Category	Differentials, Rear
Last Updated	4/29/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

(855) 370-___ SHOW
NUMBERCall Seller

2006 Meritor RR20145 Rear Differential for a Volvo VNL

$275 USD

(USED) Meritor RR20145 Ratio: 3.21 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-K-1675

Condition	Used
Fits To Make(s)	Volvo
Fits To Model(s)	VNL
Stock Number	25663241
MLS Number	13236172
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

1998 Meritor RS23160 Rear Differential for a Freightliner FL106

$775 USD

(USED) Meritor RS23160 Ratio: 4.30 Side Gear Splines: 46 W/ Locker: YES Cast#: 3200S1891 Ref# 3200-S-1891

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FL106
Part Number	3200-S-1891
Stock Number	25666696
MLS Number	12952251
Category	Differentials, Rear
Last Updated	8/1/2025
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

(833) 614-___ SHOW
NUMBERCall Seller

2017 Freightliner M2 106 Rear Differential

$750 USD

Complete Rear Diff/Third Member, (Gear Ratio), Good Condition, Call DTI Trucks for more information and a shipping quote.

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	M2 106
Stock Number	75018
MLS Number	13711713
Category	Differentials, Rear
Last Updated	7/27/2025
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts