Eaton RS404 Rear Differentials For Sale

2000 Eaton RS404 Rear Differential for a Chevrolet C7500

$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.

2000 Eaton RS404 Rear Differential for a Western Star 4900EX

$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.

2000 Eaton RS404 Rear Differential for a Volvo VNL

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Volvo
Fits To Model(s)	VNL
Stock Number	25691721
MLS Number	13349502
Category	Differentials, Rear
Last Updated	1/22/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

1999 Eaton RS404 Rear Differential for a Kenworth T600

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 Ref# N/A

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Part Number	N/A
Stock Number	25773063
MLS Number	13511335
Category	Differentials, Rear
Last Updated	1/21/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential for a 2006 Freightliner CENTURY

$700 USD

GOOD USED, Core Charge: 0, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CENTURY
Will Fit Year(s)	2006
Stock Number	2A2E57137
MLS Number	14097499
Category	Differentials, Rear
Last Updated	1/19/2026
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

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Eaton RS404 Rear Differential for a 2004 Peterbilt 379

Contact for price

2004 PETE 379 EATON 405 REAR DIFF WITH LOCK, LOW AIR LEAF SUSPENSION, ABS, DRUM BRAKE, 40000 LBS, Serial#: NA, Ratio: 3.90, Casting#: NA

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2004
Stock Number	3880-PETE-5
MLS Number	14095829
Category	Differentials, Rear
Last Updated	1/17/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

2007 Eaton RS404 Rear Differential for a Freightliner C120 Century

$585 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	C120 CENTURY
Stock Number	25739374
MLS Number	13325155
Category	Differentials, Rear
Last Updated	1/11/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

1999 Eaton RS404 Rear Differential for a Volvo VNL

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Volvo
Fits To Model(s)	VNL
Stock Number	25642938
MLS Number	12863379
Category	Differentials, Rear
Last Updated	1/11/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential for a 1999 International 9200

$600 USD

GOOD USED, Core Charge: 0, Ratio: 4.33

Condition	Used
Rear End	4.33 ratio
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	9200
Will Fit Year(s)	1999
Stock Number	2A2E55246
MLS Number	12718498
Category	Differentials, Rear
Last Updated	2/14/2026
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

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Eaton RS404 Rear Differential

$500 USD

Good used Eaton DS404 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)	RS404
Stock Number	Ryd RS404/3.25/41
MLS Number	11999592
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Eaton RS404 Rear Differential

$500 USD

Good used Eaton RS404 Rear, Rear Differential Assembly. 3.36 Ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/3.36/41
MLS Number	11402853
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Eaton RS404 Rear Differential

$500 USD

Good used Eaton DS404 Rear, Rear Differential Assembly. 2.93 Ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	2.93 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/2.93/41
MLS Number	10714392
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2007 Eaton RS404 Rear Differential for a International 8600

$585 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8600
Stock Number	25668602
MLS Number	12960244
Category	Differentials, Rear
Last Updated	12/29/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2011 Eaton RS404 Rear Differential for a Freightliner CASCADIA 125

$795 USD

USED EATON RS404 REAR REAR DIFFERENTIAL/3.55 RATIO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA 125
Stock Number	86384
MLS Number	12832813
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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Eaton RS404 Rear Differential

$1,295 USD

REBUILT RS404 3.90 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62247, Core Charge: EXCHANGE, Ratio: 3.90

Condition	Remanufactured
Part Number	62247
Stock Number	62247
MLS Number	14053078
Category	Differentials, Rear
Last Updated	12/20/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2015 Eaton RS404 Rear Differential for a International Lonestar

$455 USD

(USED) Eaton RS404 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 509824

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	LONESTAR
Stock Number	25386056
MLS Number	12894522
Category	Differentials, Rear
Last Updated	12/20/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2000 Eaton RS404 Rear Differential for a Peterbilt 385

$485 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	385
Stock Number	25645830
MLS Number	12864178
Category	Differentials, Rear
Last Updated	12/6/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential for a 2012 Freightliner CASCADIA PX125064S T

$700 USD

GOOD USED, Core Charge: 0, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA PX125064S T
Will Fit Year(s)	2012
Stock Number	2A2E56950
MLS Number	14005721
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

Eaton RS404 Rear Differential for a 2013 Freightliner CASCADIA PX125064S T

$700 USD

GOOD USED, Core Charge: 0, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA PX125064S T
Will Fit Year(s)	2013
Stock Number	2A2E56645
MLS Number	13802615
Category	Differentials, Rear
Last Updated	11/23/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

2000 Eaton RS404 Rear Differential for a Peterbilt 377

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	377
Stock Number	25667099
MLS Number	12973916
Category	Differentials, Rear
Last Updated	11/21/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2002 Eaton RS404 Rear Differential for a Freightliner C120 Century

$485 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 123797 Ref# ASMG123797-1

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	C120 CENTURY
Part Number	ASMG123797-1
Stock Number	25794321
MLS Number	13604684
Category	Differentials, Rear
Last Updated	11/22/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2004 Eaton RS404 Rear Differential for a Western Star 4900FA

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825

Condition	Used
Fits To Make(s)	Western Star Trucks
Fits To Model(s)	4900FA
Stock Number	25806522
MLS Number	13631934
Category	Differentials, Rear
Last Updated	11/21/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential for a 2002 Volvo VNL

$700 USD

GOOD USED, Core Charge: 0, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Will Fit Year(s)	2002
Stock Number	2A2E56668
MLS Number	13746882
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

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Eaton RS404 Rear Differential for a Kenworth T800

$1,275 USD

Livraison partout au Canada États-Unis. We ship anywhere in Canada USA. - Stock: 6403D - Eaton Spicer - DS404, Ratio 4.11 - 40 000 lbs, ARRIÈRE, SANS Lock - 40 000 lbs, REAR rear ,...

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	6403D
MLS Number	13971246
Category	Differentials, Rear
Last Updated	11/7/2025
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert