Eaton RS404 Rear Differentials For Sale in United States

(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

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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

(855) 370-___ SHOW
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1999 Eaton RS404 Rear Differential for a Kenworth W900L

$325 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Stock Number	25983371
MLS Number	14357575
Category	Differentials, Rear
Last Updated	5/8/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential

$1,350 USD

RS404-463 - Rebuilt

Condition	Remanufactured
Rear End	4.63 ratio
Stock Number	RS404-463-REB
MLS Number	13962041
Category	Differentials, Rear
Last Updated	5/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 370-___ SHOW
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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 Ref# 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9400
Part Number	131812
Stock Number	25421304
MLS Number	12051636
Category	Differentials, Rear
Last Updated	4/29/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential

$850 USD

RS404-370 - Refurbished

Condition	Used
Rear End	3.70 ratio
Stock Number	RS404-370-REF
MLS Number	14028790
Category	Differentials, Rear
Last Updated	4/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(844) 402-___ SHOW
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Eaton RS404 Rear Differential for a 1999 Chevrolet C7500

$849.99 USD

(USED) 1999 Chevrolet C7500 - TANDEM CUTOFF - Make: Eaton. Model: RS404. Ratio: 3.90. Hub Bolts: 10. Brake Type: Air. For more information about this item, give us a call. We ship...

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Chevrolet
Fits To Model(s)	C7500
Will Fit Year(s)	1999
Stock Number	P-25813
MLS Number	10922030
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Eaton RS404 Rear Differential

$1,350 USD

RS404-336 - Rebuilt

Condition	Remanufactured
Rear End	3.36 ratio
Stock Number	RS404-336-REB
MLS Number	13962034
Category	Differentials, Rear
Last Updated	4/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$200 USD

RS404 - 3.70 Ratio - Core - Grade D - Burnt Unit - Broken Gearset, Main Case Worn. CORE UNIT SOLD AS-IS.

Condition	Used
Rear End	3.70 ratio
Stock Number	27180
MLS Number	14080072
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-717 - Refurbished

Condition	Used
Rear End	7.17 ratio
Stock Number	RS404-717-REF
MLS Number	14028802
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-650 - Refurbished

Condition	Used
Rear End	6.50 ratio
Stock Number	RS404-650-REF
MLS Number	14028801
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-617 - Refurbished

Condition	Used
Rear End	6.17 ratio
Stock Number	RS404-617-REF
MLS Number	14028799
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-557 - Refurbished

Condition	Used
Rear End	5.57 ratio
Stock Number	RS404-557-REF
MLS Number	14028798
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-529 - Refurbished

Condition	Used
Rear End	5.29 ratio
Stock Number	RS404-529-REF
MLS Number	14028796
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-488 - Refurbished

Condition	Used
Rear End	4.88 ratio
Stock Number	RS404-488-REF
MLS Number	14028795
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-463 - Refurbished

Condition	Used
Rear End	4.63 ratio
Stock Number	RS404-463-REF
MLS Number	14028794
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-433 - Refurbished

Condition	Used
Rear End	4.33 ratio
Stock Number	RS404-433-REF
MLS Number	14028793
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-411 - Refurbished

Condition	Used
Rear End	4.11 ratio
Stock Number	RS404-411-REF
MLS Number	14028792
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-390 - Refurbished

Condition	Used
Rear End	3.90 ratio
Stock Number	RS404-390-REF
MLS Number	14028791
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-355 - Refurbished

Condition	Used
Rear End	3.55 ratio
Stock Number	RS404-355-REF
MLS Number	14028789
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-342 - Refurbished

Condition	Used
Rear End	3.42 ratio
Stock Number	RS404-342-REF
MLS Number	14028788
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-336 - Refurbished

Condition	Used
Rear End	3.36 ratio
Stock Number	RS404-336-REF
MLS Number	14028787
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$850 USD

RS404-325 - Refurbished

Condition	Used
Rear End	3.25 ratio
Stock Number	RS404-325-REF
MLS Number	14028786
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment