Used Eaton RS404 Rear Differentials For Sale

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2005 Eaton RS404 Rear Differential for a Eaton 7400

$850 USD

USED EATON REAR/REAR DIFFERENTIAL RS404-3.90 EXC.

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	7400
Stock Number	144391
MLS Number	12788620
Category	Differentials, Rear
Last Updated	4/20/2024
Location	Oil City, LA, US
Sold By	Bobby Johnson Equipment Co., Inc.

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2002 Eaton RS404 Rear Differential for a Freightliner CENTURY

$750 USD

GTO

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CENTURY
Stock Number	27335
MLS Number	12749114
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2012 Eaton RS404 Rear Differential for a Freightliner Cascadia

$750 USD

GTO

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia
Stock Number	27146
MLS Number	12455116
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2000 Eaton RS404 Rear Differential for a Kenworth W900

$750 USD

GTO

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	W900
Stock Number	27242
MLS Number	12602496
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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Eaton RS404 Rear Differential

$1,250 USD

REBUILT 1 YEAR WARRANY

Condition	Used
Rear End	4.33 ratio
Stock Number	26313
MLS Number	11735449
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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Eaton RS404 Rear Differential for a 1996 Peterbilt 379

$695 USD

RS404 3.70 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: 41, Serial#: NA, Core Charge: 150.00, Ratio: 3.70

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	1996
Part Number	RS404
Stock Number	11523-8
MLS Number	11841047
Category	Differentials, Rear
Last Updated	12/18/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RS404 Rear Differential for a 2000 Kenworth W900

$695 USD

RS404 3.55 GOOD USED REAR DIFFERENTIAL ASSEMBLY. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: NA, Ratio: 3.55

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900
Will Fit Year(s)	2000
Part Number	RS-404
Stock Number	12022-6
MLS Number	11209105
Category	Differentials, Rear
Last Updated	2/15/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RS404 Rear Differential for a 2000 Peterbilt 379

$695 USD

RS404 3.55 GOOD INSPECTED TAKEOUT 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Ratio: 3.55, Casting#: NA

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2000
Part Number	RS-404
Stock Number	82521-4
MLS Number	10934026
Category	Differentials, Rear
Last Updated	2/15/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RS404 Rear Differential for a 2007 International 9400I

$495 USD

RS404 3.55 GOOD INSPECTED TAKEOUT, 90 DAY WARRANTY, Axle Spline Count: 41, Serial#: NA, Ratio: 3.55, Casting#: NA

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	International
Fits To Model(s)	9400I
Will Fit Year(s)	2007
Stock Number	11921-6
MLS Number	10630244
Category	Differentials, Rear
Last Updated	2/15/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RS404 Rear Differential for a 2009 International 8600

$795 USD

GOOD USED REAR DIFFERENTIAL ASSEMBLY 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Ratio: 3.90, Casting#: NA

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	International
Fits To Model(s)	8600
Will Fit Year(s)	2009
Part Number	RS404
Stock Number	51720-6
MLS Number	10210785
Category	Differentials, Rear
Last Updated	12/17/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RS404 Rear Differential for a 2012 International PROSTAR PREMIUM 6X4

$650 USD

RS404. Turns. Ratio: 3.42. Out of Truck #460. USED. locker: NO, Core Charge: 100.00, Ratio: 3.42

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	International
Fits To Model(s)	PROSTAR PREMIUM 6X4
Will Fit Year(s)	2012
Stock Number	161312
MLS Number	12447128
Category	Differentials, Rear
Last Updated	12/22/2025
Location	Louisville, KY, US
Sold By	River City Truck Parts

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2001 Eaton RS404 Rear Differential for a Freightliner FLD120

$750 USD

GTO

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	FLD120
Stock Number	27053
MLS Number	12455108
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2004 Eaton RS404 Rear Differential for a Volvo VNL

$750 USD

GTO

Condition	Used
Rear End	3.50 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Stock Number	24531
MLS Number	10535005
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2004 Eaton RS404 Rear Differential for a Kenworth T2000

$750 USD

GTO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T2000
Stock Number	24323
MLS Number	10534895
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2010 Eaton RS404 Rear Differential for a International PROSTAR

$750 USD

GTO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	PROSTAR
Stock Number	27113
MLS Number	12419259
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2006 Eaton RS404 Rear Differential for a Volvo VNL

$750 USD

GTO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Stock Number	27025
MLS Number	12331250
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2000 Eaton RS404 Rear Differential for a Volvo VNL

$750 USD

GTO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Stock Number	27018
MLS Number	12316494
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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1998 Eaton RS404 Rear Differential for a Freightliner FLC120

$750 USD

GTO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	FLC120
Stock Number	26994
MLS Number	12284160
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2000 Eaton RS404 Rear Differential for a Peterbilt 379

$750 USD

GTO

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	379
Stock Number	26953
MLS Number	12242678
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2006 Eaton RS404 Rear Differential for a Freightliner COLUMBIA

$1,450 USD

GTO

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	COLUMBIA
Stock Number	26862
MLS Number	12147427
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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Eaton RS404 Rear Differential for a 2005 International 9200/9400I

$395 USD

GOOD INSPECTED TAKEOUT 90/180 DAY WARR., Axle Spline Count: 41, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	International
Fits To Model(s)	9200/9400I
Will Fit Year(s)	2005
Stock Number	111516-10
MLS Number	9002523
Category	Differentials, Rear
Last Updated	5/11/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RS404 Rear Differential for a 1986 Kenworth W900B

$395 USD

GOOD USED DIFFERENTIAL ASSEMBLY 90/180DAY WARRANTY, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	W900B
Will Fit Year(s)	1986
Stock Number	120315-15
MLS Number	9001628
Category	Differentials, Rear
Last Updated	5/11/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RS404 Rear Differential for a 1997 Kenworth T2000

$495 USD

Good used 90 day warranty, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Will Fit Year(s)	1997
Stock Number	22215-8
MLS Number	9001107
Category	Differentials, Rear
Last Updated	5/11/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RS404 Rear Differential for a 1999 Kenworth T2000

Contact for price

., Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Will Fit Year(s)	1999
Stock Number	832651-3
MLS Number	9682350
Category	Differentials, Rear
Last Updated	5/11/2023
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts