Eaton RS404 Rear Differentials For Sale

Your Current Search

Industry
Truck Parts

Top-Category
Axles & Differentials

Category
Differentials, Rear

Manufacturer
Eaton

Model
RS404

Market Type
For Sale

Click the to remove the filter.

Save Search

Email Alert

What's Save Search and Email Alert?

Narrow Your Search

Keyword Search

Search within the selected criteria

Equipment Type

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

(888) 519-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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

(888) 519-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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

(888) 519-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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

(833) 432-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2005 Eaton RS404 Rear Differential for a International 8600

$400 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8600
Stock Number	25806259
MLS Number	13626106
Category	Differentials, Rear
Last Updated	8/7/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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

(888) 519-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2006 Eaton RS404 Rear Differential for a Chevrolet C8500

$375 USD

(USED) Eaton RS404 Ratio: 5.29 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Chevrolet
Fits To Model(s)	C8500
Stock Number	25794564
MLS Number	13572795
Category	Differentials, Rear
Last Updated	6/20/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Eaton RS404 Rear Differential

$550 USD

3.55 Ratio 41 Spline

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RS404
Stock Number	R11923571
MLS Number	13593403
Category	Differentials, Rear
Last Updated	5/21/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

(833) 432-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

1987 Eaton RS404 Rear Differential for a Ford LTL9000

$375 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 128109

Condition	Used
Fits To Make(s)	Ford
Fits To Model(s)	LTL9000
Stock Number	25653607
MLS Number	12891166
Category	Differentials, Rear
Last Updated	3/19/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2001 Eaton RS404 Rear Differential for a Freightliner C112 Century

$375 USD

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

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	C112 CENTURY
Stock Number	25688351
MLS Number	13085230
Category	Differentials, Rear
Last Updated	3/19/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2013 Eaton RS404 Rear Differential for a Peterbilt 388

$375 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	388
Stock Number	25702724
MLS Number	13187863
Category	Differentials, Rear
Last Updated	3/19/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

1997 Eaton RS404 Rear Differential for a Peterbilt 330

$375 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 122603

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	330
Stock Number	25706724
MLS Number	13263605
Category	Differentials, Rear
Last Updated	3/19/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2006 Eaton RS404 Rear Differential for a Freightliner Columbia 120

$375 USD

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

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	25716451
MLS Number	13263590
Category	Differentials, Rear
Last Updated	3/19/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2007 Eaton RS404 Rear Differential for a Freightliner Columbia 120

$375 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 509826

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Part Number	509826
Stock Number	25716776
MLS Number	13234209
Category	Differentials, Rear
Last Updated	3/19/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2000 Eaton RS404 Rear Differential for a Western Star 4900EX

$375 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 674883

Condition	Used
Fits To Make(s)	Western Star Trucks
Fits To Model(s)	4900EX
Part Number	674883
Stock Number	25733304
MLS Number	13365808
Category	Differentials, Rear
Last Updated	3/19/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.