Used Eaton Rear Differentials For Sale

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2000 Eaton RSH40 Rear Differential for a Peterbilt 357

Recently Updated

$300 USD

RSH40 - 4.88 Ratio - Core - Grade C - Rebuildable - Pitting On Ring Gear, Good Case. CORE UNIT SOLD AS IS.

Condition	Used
Rear End	4.88 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	357
Stock Number	1301-15
MLS Number	14095204
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton RS404 Rear Differential

Recently Updated

$200 USD

RS404 - 3.70 Ratio - Core - Grade D - Burnt Unit - Broken Gearset, Main Case Worn. CORE UNIT SOLD AS-IS.

Condition	Used
Rear End	3.70 ratio
Stock Number	27180
MLS Number	14080072
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

Recently Updated

$500 USD

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

Quantity	2
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	1/31/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2018 Eaton Rear Differential for a Kenworth T880

Recently Updated

$899 USD

RSH40 3.25 Inspected Takeout +$250 Core, Yoke: SPL 170, Side Gear: 41 Spline, Input: 39 Spline, Non locker

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T880
Stock Number	14601
MLS Number	13755066
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton Rear Differential

Recently Updated

$899 USD

RSH40 3.70 Inspected takeout +$250 core, Old stock, mileage unknown. Exchange Yoke; 1710, Side gear; 41 Spline, Input shaft; 39 Spline

Condition	Used
Rear End	3.70 ratio
Stock Number	13992
MLS Number	13659359
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

2011 Eaton Rear Differential for a Kenworth T800

Recently Updated

$899 USD

RSH40 3.90 Inspected takeout +$250 Core Yoke; SPL170, Side gears; 41 Spline, Input shaft; 39 Spline,

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T800
Stock Number	12658
MLS Number	13418798
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

2012 Eaton Rear Differential for a Kenworth T660

Recently Updated

$899 USD

RSP40 3.42 Takeout +$250 core, SN: HN03631464, OEM# C05-541112221101034

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T660
Stock Number	11258
MLS Number	13160120
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

1987 Eaton 19050s Rear Differential for a Chevrolet C60

Recently Updated

$984 USD

(USED) Eaton 19050S Ratio: 6.17 Side Gear Splines: 36 W/ Locker: NO Cast#: 210393 Ref# NO TAG

Condition	Used
Fits To Make(s)	Chevrolet
Fits To Model(s)	C60
Part Number	NO TAG
Stock Number	25402394
MLS Number	12041496
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2000 Eaton RS404 Rear Differential for a Chevrolet C7500

Recently Updated

$375 USD

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

Condition	Used
Fits To Make(s)	Chevrolet
Fits To Model(s)	C7500
Stock Number	25734668
MLS Number	13335178
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

Eaton 19060-S Rear Differential

Recently Updated

$500 USD

Good used Eaton 19060-S Rear, Rear Differential Assembly 4.63 Ratio 90 day guarantee for swap or refund,

Condition	Used
Rear End	4.63 ratio
Fits To Make(s)	EATON
Fits To Model(s)	19060-S
Stock Number	Ryd 19060-S/4.63/39
MLS Number	11187327
Category	Differentials, Rear
Last Updated	1/30/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS405 Rear Differential

Recently Updated

$600 USD

Good used Eaton DS405 Rear, Rear Differential Assembly. 3.90 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS405
Stock Number	Ryd RS405/3.90/41
MLS Number	10204591
Category	Differentials, Rear
Last Updated	1/30/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton rsh40-3.90 Rear Differential

Recently Updated

$899.95 USD

Eaton RSH40 3.90 Inspected Takeout + $150 Core, Ratio: 3.90, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-locker

Condition	Used
Rear End	3.90 ratio
Stock Number	15429
MLS Number	13910093
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton RS405-4.33 Rear Differential

Recently Updated

$899.95 USD

Eaton RS405 4.33 Inspected Takeout +$150 Core Fee Like for like, Capacity: 40K, Ratio: 4.33, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker

Condition	Used
Rear End	4.33 ratio
Stock Number	15324
MLS Number	13869669
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

2010 Eaton rsh40-3.90 Rear Differential for a Kenworth T800

Recently Updated

$899 USD

RSH40 3.90 Inspected takeout +$150 core exchange *must be like for like*, Yoke; 1710, Side gear; 41 Spline, Input shaft; 39 Spline

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T800
Stock Number	15303
MLS Number	13861021
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(855) 980-___ SHOW
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Eaton RS41 Rear Differential

Newly Listed

Contact for price

Good Condition Rear Differential RS41 Ratio 3.25, Ratio: 3.25

Condition	Used
Rear End	3.25 ratio
Stock Number	976408
MLS Number	14116065
Category	Differentials, Rear
Last Updated	1/29/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

2001 Eaton RS405 Rear Differential for a Mack CH

Recently Updated

$425 USD

(USED) Eaton RS405 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CH
Stock Number	25375729
MLS Number	12039648
Category	Differentials, Rear
Last Updated	1/29/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2000 Eaton RS404 Rear Differential for a Western Star 4900EX

Recently Updated

$425 USD

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

Condition	Used
Fits To Make(s)	Western Star Trucks
Fits To Model(s)	4900EX
Stock Number	25657582
MLS Number	12960049
Category	Differentials, Rear
Last Updated	1/29/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2007 Eaton RS405 Rear Differential for a International 7600

Recently Updated

$425 USD

(USED) Eaton RS405 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	7600
Stock Number	25676244
MLS Number	13013722
Category	Differentials, Rear
Last Updated	1/29/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2000 Eaton RS405 Rear Differential for a Mack CX

Recently Updated

$425 USD

(USED) Eaton RS405 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CX
Stock Number	25789208
MLS Number	13558688
Category	Differentials, Rear
Last Updated	1/29/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton 19050-T Rear Differential

Newly Listed

$1,250 USD

Good used Eaton 19055-T 2 speed Rear with E-Brake, Rear Differential Assembly. 6.50-8.86 ratio. 90 day guarantee for swap or refund

Condition	Used
Fits To Make(s)	EATON
Fits To Model(s)	19050-T
Stock Number	Ryd 19055-T/6.50-8.
MLS Number	14114000
Category	Differentials, Rear
Last Updated	1/28/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton 21065-T Rear Differential

Newly Listed

$1,250 USD

Good used Eaton 21065-T 2 speed Rear with E-Brake, Rear Differential Assembly. 6.50-8.86 ratio. 90 day guarantee for swap or refund

Condition	Used
Fits To Make(s)	EATON
Fits To Model(s)	21065-T
Stock Number	Ryd 21065-T/6.50-8.
MLS Number	14113995
Category	Differentials, Rear
Last Updated	1/28/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton 23080-S Rear Differential

Recently Updated

$850 USD

Good used Eaton 23080-S Rear, Rear Differential Assembly. 3.90 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	EATON
Fits To Model(s)	23080-S
Stock Number	Ryd 23080S/3.90/36
MLS Number	12159608
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(844) 484-___ SHOW
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Eaton 3.70 Rear Differential

Recently Updated

Contact for price

Condition	Used
Stock Number	925
MLS Number	14022666
Category	Differentials, Rear
Last Updated	1/28/2026
Location	ORLANDO, FL, US
Sold By	USA Trade & Exports Inc.

2005 Eaton RS404-3.70 Rear Differential for a Freightliner COLUMBIA

Recently Updated

$899 USD

RS404 3.70 Inspected Takeout +$250 Core, SN: HN01443254, OEM# S11-21808-370

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	COLUMBIA
Stock Number	11280
MLS Number	13160162
Category	Differentials, Rear
Last Updated	1/28/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower