Eaton RS404 Rear Differentials For Sale

Shop used and remanufactured Eaton RS404 Rear Differentials on MyLittleSalesman.com . Compare active listings with prices from $200 to $1,550. Sellers include Garabedian Equipment, Manders Diesel, Vander Haag's, and more. Filter by condition, price, or year to find the Eaton RS404 Rear Differential that fits your job.

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Truck Parts

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Axles & Differentials

Category
Differentials, Rear

Manufacturer
Eaton

Model
RS404

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1 - 25 of 620 listings

Eaton RS404 Rear Differential for a Volvo VNL

1996 Eaton RS404 Rear Differential for a Volvo VNL

Recently Updated

Contact for price

RS404 - 3.90 Ratio - Pullout. Diff Only, Housing Sold Separately. S/N H963477865. P/N 214952.

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Stock Number	4521-3
MLS Number	14448104
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

Recently Updated

$300 USD

RS404 - 3.36 Ratio - Core - Grade C - Rebuildable - Bad Gearset - Ring Gear is Pitted - Case Looks Good. Core Unit Sold As-Is. S/N HN03168226. P/N S11-21998-336.

Condition	Used
Rear End	3.36 ratio
Stock Number	32362
MLS Number	14386826
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

Recently Updated

$300 USD

RS404 - 3.70 Ratio - Core - Grade C - Rebuildable - Tail Bearing has Some Movement - But is Worn Out - Good Gearset. Core Unit Sold As-Is.

Condition	Used
Rear End	3.70 ratio
Stock Number	32361
MLS Number	14386825
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
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Garabedian Equipment

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

Recently Updated

$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	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

Recently Updated

$300 USD

RS404 - 6.50 Ratio - Core - Grade C - Rebuildable - Broken Gearset - Case is Good. Core Unit Sold As-Is.

Condition	Used
Rear End	6.50 ratio
Stock Number	4542131
MLS Number	13903809
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential for a Unmarked N/A

Eaton RS404 Rear Differential for a Unmarked N/A

Recently Updated

$300 USD

RS404 - 3.70 Ratio - Core - Grade C - Rebuildable - Broken Axle Side Gears. Core Unit Sold As-Is. P/N 219455.

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Unmarked
Fits To Model(s)	N/A
Stock Number	4539616
MLS Number	13893682
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential for a Unmarked N/A

Eaton RS404 Rear Differential for a Unmarked N/A

Recently Updated

$500 USD

RS404 - 4.11 Ratio - Pullout - Grade A - Unit in Good Condition - (213640). P/N 0595061.

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	Unmarked
Fits To Model(s)	N/A
Stock Number	4539412
MLS Number	13893113
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential for a Unmarked N/A

Eaton RS404 Rear Differential for a Unmarked N/A

Recently Updated

$500 USD

RS404 - 3.42 Ratio - Pullout - Grade A - Unit in Good Condition.

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	Unmarked
Fits To Model(s)	N/A
Stock Number	4539035
MLS Number	13892248
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential for a International DuraStar 4300

2012 Eaton RS404 Rear Differential for a International DuraStar 4300

Recently Updated

$500 USD

RS404 - 6.17 Ratio - Pullout - Grade A - Unit in Good Condition.

Condition	Used
Rear End	6.17 ratio
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	DuraStar 4300
Stock Number	1369-3
MLS Number	13892209
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

Recently Updated

$300 USD

RS404 - 3.70 Ratio - Core - Grade C - Rebuildable - Ring Pinion Chipped Teeth. Core Unit Sold As-Is.

Condition	Used
Rear End	3.70 ratio
Stock Number	4538742
MLS Number	13891670
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

Recently Updated

$300 USD

RS404 - 3.70 Ratio - Core - Grade C - Rebuildable - Bad Pinon Tail Hole Bearing - Frosting on Reverse Side Ring Gear. Core Unit Sold As-Is.

Condition	Used
Rear End	3.70 ratio
Stock Number	4538603
MLS Number	13891355
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential for a Freightliner FLD112

2001 Eaton RS404 Rear Differential for a Freightliner FLD112

Recently Updated

$300 USD

RS404 - 3.08 Ratio - Core - Grade C - Rebuildable - Side Gear Splines Worn - Gearset Light Pitting - Case is Good. Core Unit Sold As-Is.

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	FLD112
Stock Number	918-4
MLS Number	13888637
Category	Differentials, Rear
Last Updated	10/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

Newly Listed

$550 USD

3.70,

Condition	Used
Stock Number	REAR-2365
MLS Number	14672072
Category	Differentials, Rear
Last Updated	10/17/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

(866) 314-___ SHOW
NUMBERCall Seller

Manders Diesel

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

Newly Listed

$550 USD

3.70,

Condition	Used
Stock Number	REAR-2364
MLS Number	14672071
Category	Differentials, Rear
Last Updated	10/17/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

(866) 314-___ SHOW
NUMBERCall Seller

Manders Diesel

Eaton RS404 Rear Differential

1997 Eaton RS404 Rear Differential

Recently Updated

$500 USD

RS404 - 5.29 Ratio - Pullout - Grade A - Unit in Good Condition.

Condition	Used
Rear End	5.29 ratio
Stock Number	120-30C
MLS Number	13887974
Category	Differentials, Rear
Last Updated	10/16/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential for a Kenworth T800

2001 Eaton RS404 Rear Differential for a Kenworth T800

Recently Updated

$500 USD

RS404 - 3.55 Ratio - Pullout. P/N 509825.

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T800
Stock Number	629-4
MLS Number	13887046
Category	Differentials, Rear
Last Updated	10/16/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

Recently Updated

$1,215 USD

RS404-411 - Reconditioned

Condition	Remanufactured
Rear End	4.11 ratio
Stock Number	RS404-411-REC
MLS Number	14028773
Category	Differentials, Rear
Last Updated	10/15/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential for a International 9400

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	10/16/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

$1,250 USD

12 MONTH WARRANTY

Condition	Remanufactured
Rear End	3.36 ratio
Stock Number	19223
MLS Number	10533755
Category	Differentials, Rear
Last Updated	10/12/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

$1,250 USD

1 YEAR WARRANTY

Condition	Remanufactured
Rear End	3.70 ratio
Stock Number	19779
MLS Number	10533829
Category	Differentials, Rear
Last Updated	10/12/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

$1,250 USD

REBUILT 12 MONTH WARRANTY

Condition	Remanufactured
Rear End	3.70 ratio
Stock Number	20924
MLS Number	10534023
Category	Differentials, Rear
Last Updated	10/12/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

$1,250 USD

REBUILT 12 MONTH WARRANTY

Condition	Remanufactured
Rear End	3.55 ratio
Stock Number	21513
MLS Number	10534144
Category	Differentials, Rear
Last Updated	10/12/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

$1,250 USD

REBUILT 1 YEAR WARRANTY,

Condition	Remanufactured
Rear End	3.36 ratio
Stock Number	23311
MLS Number	10534514
Category	Differentials, Rear
Last Updated	10/12/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

$1,250 USD

REBUILT 1 YEAR WARRANTY,

Condition	Remanufactured
Rear End	4.33 ratio
Stock Number	23765
MLS Number	10534663
Category	Differentials, Rear
Last Updated	10/12/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Eaton RS404 Rear Differential

Eaton RS404 Rear Differential

$1,250 USD

REBUILT 1 YEAR WARRANTY,

Condition	Remanufactured
Rear End	3.36 ratio
Stock Number	23804
MLS Number	10534679
Category	Differentials, Rear
Last Updated	10/12/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

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