Eaton RS404 Rear Differentials For Sale

Eaton RS404 Rear Differential for a 1999 Kenworth W900B

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MILES 547683, Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	W900B
Will Fit Year(s)	1999
Stock Number	823363-5
MLS Number	13743420
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2000 Freightliner Century Class

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MILES 384380, Ratio: 370

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Century Class
Will Fit Year(s)	2000
Stock Number	055900-5
MLS Number	13689306
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2007 International 9400

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MILES N/A, Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	International
Fits To Model(s)	9400
Will Fit Year(s)	2007
Stock Number	475575-4
MLS Number	13684810
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2012 Peterbilt 389

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GOOD SHAPE, Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	389
Will Fit Year(s)	2012
Stock Number	137064-3
MLS Number	13597977
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2000 Peterbilt 379

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GOOD SHAPE, Ratio: 370

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2000
Stock Number	548782-3
MLS Number	13556671
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 1997 Volvo VNL

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GOOD SHAPE, Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Volvo
Fits To Model(s)	VNL
Will Fit Year(s)	1997
Stock Number	746805-2
MLS Number	12580783
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2000 Sterling ACTERRA

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HAS LOCKER, Ratio: 370

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Sterling
Fits To Model(s)	ACTERRA
Will Fit Year(s)	2000
Stock Number	G12050-5
MLS Number	10686863
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 1999 GMC C6500

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GOOD SHAPE, Ratio: 411

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	GMC
Fits To Model(s)	C6500
Will Fit Year(s)	1999
Stock Number	518396-4
MLS Number	10673878
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2005 Volvo VNL 780

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GOOD SHAPE, Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Volvo
Fits To Model(s)	VNL 780
Will Fit Year(s)	2005
Stock Number	399176-5
MLS Number	9785119
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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2007 Eaton RS404 Rear Differential for a Freightliner Columbia 120

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	25726860
MLS Number	13281662
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2007 Eaton RS404 Rear Differential for a International 9400

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9400
Stock Number	25788782
MLS Number	13558690
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential for a 2011 Freightliner Cascadia

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ABS, Ratio: 370

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2011
Stock Number	BF5011-5
MLS Number	9391442
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2005 Freightliner CLASSIC XL

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., Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	CLASSIC XL
Will Fit Year(s)	2005
Stock Number	N94649-5
MLS Number	9391163
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 1997 Kenworth T2000

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., Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Will Fit Year(s)	1997
Stock Number	738487-5
MLS Number	9390824
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2005 Volvo VNL

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., Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Volvo
Fits To Model(s)	VNL
Will Fit Year(s)	2005
Stock Number	393857-5
MLS Number	9390139
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 1996 Volvo WIA64TTES

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-, Ratio: 370, Part Make: Eaton

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Volvo
Fits To Model(s)	WIA64TTES
Will Fit Year(s)	1996
Stock Number	735294-5
MLS Number	9389293
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 1999 Freightliner C120

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-, Ratio: 370, Part Make: Eaton

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	C120
Will Fit Year(s)	1999
Stock Number	A71358-5
MLS Number	9389154
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2004 Volvo VNM

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-, Ratio: 355, Part Make: Eaton

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Volvo
Fits To Model(s)	VNM
Will Fit Year(s)	2004
Stock Number	359696-5
MLS Number	9389074
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2007 Freightliner CST120

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-, Ratio: 355, Part Make: Eaton

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	CST120
Will Fit Year(s)	2007
Stock Number	W77031-5
MLS Number	9389044
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 1999 Kenworth T600B

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-, Ratio: 355, Part Make: Eaton

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T600B
Will Fit Year(s)	1999
Stock Number	817782-5
MLS Number	9389007
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Eaton RS404 Rear Differential for a 2005 Freightliner COLUMBIA

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-, Ratio: 370, Part Make: Eaton

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA
Will Fit Year(s)	2005
Stock Number	N65350-5
MLS Number	9388918
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

(855) 465-___ SHOW
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Eaton RS404 Rear Differential

$1,550 USD

Weller reman diff. p/n 1415238 Eaton RS404 3.90R - Ratio: 3.90, Core Charge: 600.00, Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Eaton
Fits To Model(s)	RS404
Stock Number	172665
MLS Number	14242491
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

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Eaton RS404 Rear Differential for a 1999 Freightliner FLD112

$950 USD

RS404.Hub to Hub. Ratio: 3.90. Still in frame cut Tag #169269 tandem with diff tag #166959. Out of Truck #590. - Ratio: 3.90;Locker?: NO locker: NO, Core Charge: 300.00, Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD112
Will Fit Year(s)	1999
Stock Number	166960
MLS Number	12424896
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

(855) 465-___ SHOW
NUMBERCall Seller

Eaton RS404 Rear Differential

$800 USD

#5. RS404. Hub to Hub. Ratio: 3.58. Used - Ratio: 3.58;Locker?: NO locker: NO, Core Charge: 100.00, Ratio: 3.58

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	Eaton
Fits To Model(s)	RS404
Stock Number	168894
MLS Number	12214006
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts