Eaton RS404 Axles &amp; Differentials For Sale

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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

2000 Eaton RS404 Rear Axle Housing for a Sterling A9513

$1,250 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AIRLINER Track Width : 72

Condition	Used
Fits To Make(s)	Sterling
Fits To Model(s)	A9513
Stock Number	25469883
MLS Number	12285952
Category	Axle Housings, Rear
Last Updated	12/31/2025
Location	Spencer, IA, US
Sold By	Vander Haag's 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.

2009 Eaton RS404 Rear Axle Housing for a International Prostar

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: HENDRICKSON Track Width : 73

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Stock Number	25771872
MLS Number	13476153
Category	Axle Housings, Rear
Last Updated	11/12/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2011 Eaton RS404 Rear Differential for a International Prostar

$375 USD

(USED) Eaton RS404 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Stock Number	25768543
MLS Number	13451012
Category	Differentials, Rear
Last Updated	11/6/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2001 Eaton RS404 Front Differential for a Western Star TR 4900 EX

$999.99 USD

Eaton RS404 Front Rear Differential 3.55 Ratio, From 2001 Western Star 4900 EX VIN 5CKEDDJHX1C100274

Condition	Used
Fits To Make(s)	WESTERN STAR TR
Fits To Model(s)	4900 EX
Stock Number	146930
MLS Number	13665707
Category	Differentials, Front
Last Updated	10/25/2025
Location	Owensboro, KY, US
Sold By	West Side Truck Parts

2005 Eaton RS404 Rear Differential for a International 8600

$375 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8600
Stock Number	25622696
MLS Number	12746955
Category	Differentials, Rear
Last Updated	10/4/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2005 MFG Rear Axle Housing for a International 9400

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: IROS Track Width : 71 VERIFY

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9400
Stock Number	25664875
MLS Number	12971924
Category	Axle Housings, Rear
Last Updated	9/17/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(833) 432-___ SHOW
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Eaton RS404 Rear Differential

$500 USD

3.55 Ratio 41 Spline

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RS404
Stock Number	R12058094
MLS Number	13766619
Category	Differentials, Rear
Last Updated	8/19/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

2002 Eaton RD404 Rear Differential for a Kenworth T2000

$485 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Stock Number	25639066
MLS Number	12845826
Category	Differentials, Rear
Last Updated	8/16/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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NUMBERCall Seller

Eaton RS404 Rear Differential

$600 USD

Good used Eaton DS404 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)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/6.17/41
MLS Number	13426325
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2004 Eaton RS404 Rear Differential for a Freightliner C120 Century

$400 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	C120 CENTURY
Stock Number	25679000
MLS Number	13095693
Category	Differentials, Rear
Last Updated	7/26/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

1998 Eaton RS404 Rear Axle Housing for a Volvo WG

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: VOLVO AIR Track Width : 70

Condition	Used
Fits To Make(s)	Volvo
Fits To Model(s)	WG
Stock Number	25826374
MLS Number	13699085
Category	Axle Housings, Rear
Last Updated	7/20/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2010 Eaton RS404 Rear Differential for a International Prostar

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# 509826

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Prostar
Part Number	509826
Stock Number	25826295
MLS Number	13699471
Category	Differentials, Rear
Last Updated	7/14/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2007 Eaton RS404 Rear Axle Housing for a Freightliner Columbia 120

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AIRLINER Track Width : 72

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	25818232
MLS Number	13673763
Category	Axle Housings, Rear
Last Updated	7/13/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2010 Eaton RS404 Rear Axle Housing for a International Prostar

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: IROS Track Width : 73

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Prostar
Stock Number	25826302
MLS Number	13697167
Category	Axle Housings, Rear
Last Updated	7/12/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2010 Eaton RS404 Rear Differential for a International Prostar

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY Ref# 509826

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Prostar
Part Number	509826
Stock Number	25824480
MLS Number	13692638
Category	Differentials, Rear
Last Updated	7/10/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

1999 Eaton RS404 Rear Axle Housing for a Kenworth T2000

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400 Track Width : Verify

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Stock Number	25823107
MLS Number	13686404
Category	Axle Housings, Rear
Last Updated	7/6/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2005 Eaton RS404 Rear Differential for a International 9200

$375 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9200
Stock Number	25749948
MLS Number	13411317
Category	Differentials, Rear
Last Updated	6/29/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

1999 Eaton RS404 Rear Axle Housing for a Freightliner FLD112

$850 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AIRLINER Track Width : 72

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD112
Stock Number	25814474
MLS Number	13660951
Category	Axle Housings, Rear
Last Updated	6/22/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2010 Eaton RS404 Rear Axle Housing for a International Durastar (4400)

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: IH SPRING Track Width : 72

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Durastar (4400)
Stock Number	25795661
MLS Number	13659222
Category	Axle Housings, Rear
Last Updated	6/21/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.