Eaton RS404 Rear Differentials For Sale in United States

2013 Eaton RS404 Rear Differential for a Freightliner Cascadia

$455 USD

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

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25874774
MLS Number	14014856
Category	Differentials, Rear
Last Updated	1/11/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2011 Eaton RS404 Rear Differential for a International Prostar

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 03910 Ref# 509826 INTERNATIONAL P# 3549531C91

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Prostar
Part Number	509826
Stock Number	25909642
MLS Number	14083422
Category	Differentials, Rear
Last Updated	1/11/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2007 Eaton RS404 Rear Differential for a Freightliner COLUMBIA

$750 USD

RS 404 3.55 RATIO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	COLUMBIA
Stock Number	28295
MLS Number	14067673
Category	Differentials, Rear
Last Updated	1/10/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2001 Eaton RS404 Rear Differential for a Freightliner FLD132064T CLASSIC

$750 USD

USED REAR REAR RS 404 3.70 RATIO

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	FLD132064T CLASSIC
Stock Number	28292
MLS Number	14055556
Category	Differentials, Rear
Last Updated	1/10/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2001 Eaton RS404 Rear Differential for a Kenworth T2000

$750 USD

GTO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T2000
Stock Number	27965
MLS Number	13509355
Category	Differentials, Rear
Last Updated	1/10/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Eaton RS404 Rear Differential

$1,250 USD

REMAN 1 YEAR WARR.

Condition	Remanufactured
Rear End	3.90 ratio
Stock Number	28303
MLS Number	14071479
Category	Differentials, Rear
Last Updated	1/10/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

1995 Eaton RS404 Rear Differential for a Kenworth T600

$2,602 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25917516
MLS Number	14068793
Category	Differentials, Rear
Last Updated	1/2/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

1993 Eaton RS404 Rear Differential for a Peterbilt 379

$375 USD

(USED) Eaton RS404 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 662459

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Stock Number	25879338
MLS Number	13896405
Category	Differentials, Rear
Last Updated	12/31/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2007 Eaton RS404 Rear Differential for a Freightliner Columbia 120

$325 USD

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

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	25841881
MLS Number	13752077
Category	Differentials, Rear
Last Updated	12/28/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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Eaton RS404 Rear Differential

$795 USD

USED EATON RS404 REAR DIFFERENTIAL RATIO: 2.93

Condition	Used
Rear End	2.93 ratio
Stock Number	99740
MLS Number	14062579
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
NUMBERCall Seller

Eaton RS404 Rear Differential

$795 USD

USED EATON RS404 REAR DIFFERENTIAL RATIO: 2.93

Condition	Used
Rear End	2.93 ratio
Stock Number	99738
MLS Number	14062577
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts 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#: 129351-5

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	377
Stock Number	25914684
MLS Number	14058427
Category	Differentials, Rear
Last Updated	12/24/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2007 Eaton RS404 Rear Differential for a International 8600

$325 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8600
Stock Number	25902854
MLS Number	14054954
Category	Differentials, Rear
Last Updated	12/22/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential

$1,250 USD

12 MONTH WARRANTY

Condition	Remanufactured
Rear End	3.55 ratio
Stock Number	26618
MLS Number	11971671
Category	Differentials, Rear
Last Updated	12/19/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Eaton RS404 Rear Differential

$1,000 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 6.50 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	6.50 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/6.50
MLS Number	14050745
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,000 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 2.64 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	2.64 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/2.64
MLS Number	14050714
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,000 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 3.25 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	3
Condition	Remanufactured
Rear End	3.25 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/3.25
MLS Number	14050580
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,000 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	3
Condition	Remanufactured
Rear End	4.33 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/4.33
MLS Number	14050564
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,000 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

Quantity	2
Condition	Remanufactured
Rear End	5.57 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/5.57
MLS Number	14050558
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,000 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 2.93. ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	2
Condition	Remanufactured
Rear End	2.93 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/2.93
MLS Number	14050549
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,000 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 4.63 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	4.63 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/4.63
MLS Number	14050541
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,000 USD

Remanufactured Eaton RS404 rear, rear differential assebmly. 4.11 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered.

Quantity	3
Condition	Remanufactured
Rear End	4.11 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/4.11
MLS Number	14050465
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,000 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 3.36 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	3
Condition	Remanufactured
Rear End	3.36 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/3.36
MLS Number	14050460
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,000 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	8
Condition	Remanufactured
Rear End	3.55 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/3.55
MLS Number	14050327
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts