Eaton RS404 Rear Differentials For Sale

(833) 396-___ SHOW
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Eaton RS404 Rear Differential

$650 USD

USED EATON RS404 REAR DIFFERENTIAL RATIO 3.55, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGIN.

Condition	Used
Part Number	RS404 RATIO 3.55
Stock Number	S4058
MLS Number	10092934
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

(833) 396-___ SHOW
NUMBERCall Seller

Eaton RS404 Rear Differential, 3.90 Ratio

$650 USD

USED EATON RS404 REAR DIFFERENTIAL, RATIO 3.90, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGIN

Condition	Used
Part Number	RS404
Stock Number	S4057
MLS Number	10092334
Category	Differentials, Rear
Last Updated	2/15/2020
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

2006 Eaton RS404 Rear Differential for a Mack CXU600

Newly Listed

$750 USD

RS 404 REAR REAR 3.90 RATIO

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	MACK
Fits To Model(s)	CXU600
Stock Number	28508
MLS Number	14551130
Category	Differentials, Rear
Last Updated	8/19/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Eaton RS404 Rear Differential

Newly Listed

$1,250 USD

REMAN 1 YEAR WARR.

Condition	Remanufactured
Rear End	3.55 ratio
Stock Number	28505
MLS Number	14547835
Category	Differentials, Rear
Last Updated	8/18/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2003 Eaton RS404 Rear Differential for a Freightliner Columbia 120

Newly Listed

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825 Ref# S09826

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Part Number	S09826
Stock Number	26049829
MLS Number	14546345
Category	Differentials, Rear
Last Updated	8/19/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2007 Eaton RS404 Rear Differential for a Freightliner Columbia 120

2013 Eaton RS404 Rear Differential for a Freightliner CASCADIA 125

1998 Eaton RS404 Rear Differential for a Volvo WG

1996 Eaton RS404 Rear Differential for a Freightliner FLD120

$325 USD

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

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD120
Part Number	N/A
Stock Number	25964993
MLS Number	14301527
Category	Differentials, Rear
Last Updated	8/12/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential

$1,250 USD

REMAN 1 YEAR WARR.

Condition	Remanufactured
Rear End	3.90 ratio
Stock Number	28500
MLS Number	14534472
Category	Differentials, Rear
Last Updated	8/11/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2007 Eaton RS404 Rear Differential for a Peterbilt 335

$375 USD

(USED) Eaton RS404 Ratio: 4.88 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351-C

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	335
Stock Number	26035359
MLS Number	14533065
Category	Differentials, Rear
Last Updated	8/9/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2001 Eaton RS404 Rear Differential for a Mack CX

$585 USD

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

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CX
Stock Number	25988077
MLS Number	14344152
Category	Differentials, Rear
Last Updated	8/8/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2008 Eaton RS404 Rear Differential for a International Prostar

$585 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Prostar
Stock Number	25980321
MLS Number	14522353
Category	Differentials, Rear
Last Updated	8/5/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2000 Eaton RS404 Rear Differential for a International 9900

$425 USD

(USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9900
Stock Number	26010378
MLS Number	14410833
Category	Differentials, Rear
Last Updated	8/5/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(833) 359-___ SHOW
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2015 Eaton RS404 Rear Differential for a Freightliner CASCADIA 132

$795 USD

USED EATON RS404 REAR DIFFERENTIAL RATIO: 5.29

Condition	Used
Rear End	5.29 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA 132
Stock Number	98346
MLS Number	13286329
Category	Differentials, Rear
Last Updated	8/4/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2012 Eaton RS404 Rear Differential for a Freightliner Cascadia

$750 USD

SPICER EATON RS 404 REAR REAR 3.70 RATIO

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia
Stock Number	28492
MLS Number	14518343
Category	Differentials, Rear
Last Updated	8/1/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 5.57 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	5.57 ratio
Stock Number	BP TRS RS404/5.57
MLS Number	14050558
Category	Differentials, Rear
Last Updated	7/28/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2000 Eaton RS404 Rear Differential for a Kenworth T800

$595 USD

(USED) Eaton RS404 Ratio: 4.11 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	26020028
MLS Number	14506232
Category	Differentials, Rear
Last Updated	7/25/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2001 Eaton RS404 Rear Differential for a Peterbilt 379

$585 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Stock Number	26037162
MLS Number	14503652
Category	Differentials, Rear
Last Updated	7/24/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differetnial assembly. 4.33 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	2
Condition	Remanufactured
Rear End	4.33 ratio
Stock Number	BP TRS RS404/4.33
MLS Number	14050564
Category	Differentials, Rear
Last Updated	7/23/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 3.55 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	4
Condition	Remanufactured
Rear End	3.55 ratio
Stock Number	BP TRS RS404/3.55
MLS Number	14050327
Category	Differentials, Rear
Last Updated	7/23/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 3.90 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	5
Condition	Remanufactured
Rear End	3.90 ratio
Stock Number	BP TRS RS404/3.90
MLS Number	14050292
Category	Differentials, Rear
Last Updated	7/23/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

1998 Eaton RS404 Rear Differential for a Peterbilt 379

$375 USD

(USED) Eaton RS404 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 Ref# 13701

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Part Number	13701
Stock Number	26027389
MLS Number	14466395
Category	Differentials, Rear
Last Updated	7/18/2026
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#: -

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Stock Number	26027790
MLS Number	14466319
Category	Differentials, Rear
Last Updated	7/18/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.