Rear Differentials For Sale

6826 - 6850 of 13,113 listings

Spicer S135-S Rear Differential

$750 USD

Good used Spicer S135-S rear, rear differential assembly with emergency brake. 5.13 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	5.13 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S135-S
Stock Number	Ryd S135-S/5.13/36
MLS Number	14085810
Category	Differentials, Rear
Last Updated	1/13/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Eaton RSP40 Rear Differential

$600 USD

Good used Eaton RSP40 Rear, Rear Differential Assembly. 3.55 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RSP40
Stock Number	Ryd RSP40/3.55/41
MLS Number	10643512
Category	Differentials, Rear
Last Updated	1/13/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$600 USD

Good used Rockwell RS-21-145 rear, rear differential assembly. 4.63 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	4.63 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	Ryd RS-21-145/4.63/
MLS Number	11424959
Category	Differentials, Rear
Last Updated	1/9/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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2016 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia

$435 USD

(USED) Alliance Axle RT40.0-4 Ratio: 3.31 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25474441
MLS Number	12366533
Category	Differentials, Rear
Last Updated	1/8/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2015 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia

$435 USD

(USED) Alliance Axle RT40.0-4 Ratio: 3.31 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25828899
MLS Number	13708848
Category	Differentials, Rear
Last Updated	1/8/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2016 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia

$435 USD

(USED) Alliance Axle RT40.0-4 Ratio: 3.31 Side Gear Splines: 43 W/ Locker: NO Cast#: R6813510805 Ref# R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Part Number	R6813510805
Stock Number	25599462
MLS Number	12783680
Category	Differentials, Rear
Last Updated	1/9/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

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2018 Meritor MR2014X Rear Differential for a Peterbilt 579

$998 USD

(USED) Meritor MR2014X Ratio: 3.42 Side Gear Splines: 41 W/ Locker: YES Cast#: 3200-F-1878

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25526943
MLS Number	12393055
Category	Differentials, Rear
Last Updated	1/7/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2014 Alliance R21-4N Rear Differential for a Freightliner M2 106

$1,795 USD

USED ALLIANCE R21-4N REAR REAR DIFFERENTIAL, RATIO 5.22. THE PRICE IS FOR THE DIFFERENTIAL ONLY BUT WE HAVE HOUSINGS AVAILABLE IF NEEDED.

Condition	Used
Rear End	5.22 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	M2 106
Stock Number	96614
MLS Number	13085256
Category	Differentials, Rear
Last Updated	1/6/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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

$600 USD

Good used Rockwell RS-21-145 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)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	Ryd RS-21-145/5.57/
MLS Number	10643517
Category	Differentials, Rear
Last Updated	1/6/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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2016 Meritor MR2014X Rear Differential for a Freightliner Cascadia

$1,115 USD

(USED) Meritor MR2014X Ratio: 3.36 Side Gear Splines: 41 W/ Locker: YES Cast#: 3200F1873

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25822196
MLS Number	13685848
Category	Differentials, Rear
Last Updated	1/8/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2019 Meritor MR2014X Rear Differential for a Freightliner Cascadia

$375 USD

(USED) Meritor MR2014X Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 3200-F-2216

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25820985
MLS Number	13697369
Category	Differentials, Rear
Last Updated	1/7/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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Eaton RS454 Rear Differential

$500 USD

Good used Eaton RS454 Rear, Rear Differential Assembly. 5.29 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	5.29 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS454
Stock Number	Ryd RS454/5.29/41
MLS Number	13585361
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Spicer S135-S Rear Differential

$750 USD

Good used Spicer S135-S rear, rear differential assembly with emergency brake. 4.78 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	4.78 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S135-S
Stock Number	Ryd S-135-S/4.78/36
MLS Number	13585359
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Nissan UD Rear Differential

$600 USD

Good used NissanUD rear, rear differential assembly. 5.14 ratio. 34 spline axles. 90 day guarantee for swap or refund

Condition	Used
Rear End	5.14 ratio
Fits To Make(s)	NISSAN
Fits To Model(s)	UD
Stock Number	Ryd UD/5.14/34
MLS Number	13478981
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Nissan UD Rear Differential

$600 USD

Good used Nissan UD 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)	NISSAN
Fits To Model(s)	UD
Stock Number	Ryd UD/6.17/42
MLS Number	13478980
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

$1,350 USD

Good used Rockwell RS-21-230 2 speed rear, rear differential assembly. 5.86/8.15 ratio. 90 day guarantee for swap or refund

Condition	Used
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-230
Stock Number	Ryd RS-21-230/5.86-
MLS Number	13478979
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Rockwell SUDD Rear Differential

$1,100 USD

Good used Rockwell SUDD rear, rear differential assembly. 6.38 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	6.38 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	SUDD
Stock Number	Ryd SUDD/6.38/46
MLS Number	13426327
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Eaton RS461 Rear Differential

$1,250 USD

Rebuilt Eaton RS461 raer/ rear, ratio 3.90 1 year warranty Locked in low

Condition	Remanufactured
Rear End	3.90 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS461
Stock Number	Ryd RS461/3.90/36
MLS Number	13363040
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Eaton 21060-S Rear Differential

$500 USD

Good used Eaton 21060-S Rear, Rear Differential Assembly. 6.50 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	6.50 ratio
Fits To Make(s)	EATON
Fits To Model(s)	21060-S
Stock Number	Ryd 21060-S/6.50/39
MLS Number	13363032
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Alliance R21-4N Rear Differential

$750 USD

Good used Alliance R21-4N Rear, rear Differential Assembly. 6.14 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	6.14 ratio
Fits To Make(s)	ALLIANCE
Fits To Model(s)	R21-4N
Stock Number	Ryd R21-4N/6.14/46
MLS Number	13363031
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Spicer S23-170 Rear Differential

$1,500 USD

Good used Spicer S23-170 rear, rear differential assembly. 6.83 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	6.83 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S23-170
Stock Number	Ryd S23-170/6.83/46
MLS Number	13363028
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Meritor MS-113 Rear Differential

$850 USD

Good used Meritor MS-113 rear, rear differential assembly. 4.78 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	4.78 ratio
Fits To Make(s)	MERITOR
Fits To Model(s)	MS-113
Stock Number	Ryd MS113/4.78/37
MLS Number	13316077
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Spicer S135-SL Rear Differential

$850 USD

Good used Spicer S135-SL rear, rear differential assembly. 4.78 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	4.78 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S135-SL
Stock Number	Ryd S135-SL/4.78/36
MLS Number	13316074
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Spicer Rear Differential for a Spicer S23-190

$1,250 USD

Good used Spicer S23190 rear, rear differential assembly. 2.53 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	2.53 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S23-190
Stock Number	Ryd S23-190/2.53/46
MLS Number	13297072
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Alliance RT40-4N Rear Differential

$1,100 USD

Good used Alliance R40-4N 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)	RT40-4N
Stock Number	Ryd RT-40-4N/3.58/4
MLS Number	13235500
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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