Eaton RS404 Axles & Differentials For Sale in United States

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Eaton RS404 Rear Differential

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

(888) 519-___ SHOW
NUMBERCall Seller

Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Axle Housing for a Kenworth T800

2000 Eaton RS404 Rear Axle Housing for a Kenworth T800

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG100 Track Width : 72

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	26020030
MLS Number	14502069
Category	Axle Housings, Rear
Last Updated	7/24/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Differential for a Peterbilt 379

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.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Differential for a International Prostar

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.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Axle Housing for a International Durastar (4300)

2015 Eaton RS404 Rear Axle Housing for a International Durastar (4300)

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: IH SPRING Track Width : 71

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Durastar (4300)
Stock Number	26014817
MLS Number	14489463
Category	Axle Housings, Rear
Last Updated	7/17/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Differential for a Peterbilt 377

1998 Eaton RS404 Rear Differential for a Peterbilt 377

$425 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	377
Part Number	N/A NO TAG
Stock Number	26022267
MLS Number	14489459
Category	Differentials, Rear
Last Updated	7/17/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Axle Housing for a Peterbilt 377

1998 Eaton RS404 Rear Axle Housing for a Peterbilt 377

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE AIR LEAF Track Width : 72

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	377
Stock Number	26022270
MLS Number	14451874
Category	Axle Housings, Rear
Last Updated	7/17/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Differential for a International Durastar (4300)

2015 Eaton RS404 Rear Differential for a International Durastar (4300)

$375 USD

(USED) Eaton RS404 Ratio: 6.17 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Durastar (4300)
Stock Number	26014816
MLS Number	14486846
Category	Differentials, Rear
Last Updated	7/16/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Differential for a International 9200

2005 Eaton RS404 Rear Differential for a International 9200

$375 USD

(USED) Eaton RS404 Ratio: 4.63 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9200
Stock Number	26032338
MLS Number	14483301
Category	Differentials, Rear
Last Updated	7/15/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Axle Housing for a Freightliner FLD120

1995 Eaton RS404 Rear Axle Housing for a Freightliner FLD120

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AIRLINER Track Width : 73

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD120
Stock Number	25864075
MLS Number	13811838
Category	Axle Housings, Rear
Last Updated	7/11/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Axle Housing for a International Prostar

2008 Eaton RS404 Rear Axle Housing for a International Prostar

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: IROS Track Width : 73

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Prostar
Stock Number	25980327
MLS Number	14477590
Category	Axle Housings, Rear
Last Updated	7/11/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Axle Housing for a International Workstar

2009 Eaton RS404 Rear Axle Housing for a International Workstar

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: HENDRICKSON Track Width : 72

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	WORKSTAR
Stock Number	25963872
MLS Number	14256243
Category	Axle Housings, Rear
Last Updated	7/9/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Differential for a International 9900

2009 Eaton RS404 Rear Differential for a International 9900

$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)	9900
Stock Number	26002276
MLS Number	14390681
Category	Differentials, Rear
Last Updated	7/9/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Differential for a International 9400

2001 Eaton RS404 Rear Differential for a International 9400

$585 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351-C

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9400
Stock Number	26016441
MLS Number	14432900
Category	Differentials, Rear
Last Updated	7/12/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Differential for a Kenworth T800

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 Ref# N/A MISSING OEM TAG

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Part Number	N/A
Stock Number	26015931
MLS Number	14438859
Category	Differentials, Rear
Last Updated	7/4/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Axle Housing for a International Prostar

2010 Eaton RS404 Rear Axle Housing for a International Prostar

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: IROS Track Width : 72

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Prostar
Stock Number	26027794
MLS Number	14466318
Category	Axle Housings, Rear
Last Updated	7/4/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Differential for a GMC C8500

2005 Eaton RS404 Rear Differential for a GMC C8500

$425 USD

(USED) Eaton RS404 Ratio: 6.50 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	GMC
Fits To Model(s)	C8500
Stock Number	26021898
MLS Number	14451923
Category	Differentials, Rear
Last Updated	6/26/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Axle Shaft for a Volvo VNL

1996 Eaton RS404 Axle Shaft for a Volvo VNL

Contact for price

Passenger Side Rear RS404 Axle Shaft

Condition	Used
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Stock Number	4521-58
MLS Number	14448159
Category	Axle Shafts
Last Updated	6/24/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Axle Shaft for a Volvo VNL

1996 Eaton RS404 Axle Shaft for a Volvo VNL

Contact for price

Driver Side Rear RS404 Axle Shaft

Condition	Used
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Stock Number	4521-57
MLS Number	14448158
Category	Axle Shafts
Last Updated	6/24/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 794-___ SHOW
NUMBERCall Seller

Garabedian Equipment

Eaton RS404 Rear Differential for a International Prostar

2009 Eaton RS404 Rear Differential for a International Prostar

$455 USD

(USED) Eaton RS404 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Stock Number	25979228
MLS Number	14327394
Category	Differentials, Rear
Last Updated	6/24/2026
Location	Spencer, IA, 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

REMAN 1 WARR

Condition	Remanufactured
Rear End	3.25 ratio
Stock Number	28440
MLS Number	14443855
Category	Differentials, Rear
Last Updated	6/23/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Eaton RS404 Rear Differential for a Volvo Wia

1996 Eaton RS404 Rear Differential for a Volvo Wia

$425 USD

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

Condition	Used
Fits To Make(s)	Volvo
Fits To Model(s)	Wia
Stock Number	26018021
MLS Number	14438837
Category	Differentials, Rear
Last Updated	6/19/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RS404 Rear Axle Housing for a Volvo Wia

1996 Eaton RS404 Rear Axle Housing for a Volvo Wia

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: VOLVO AIR Track Width : 72 Ref# NO TAG

Condition	Used
Fits To Make(s)	Volvo
Fits To Model(s)	Wia
Part Number	NO TAG
Stock Number	26018025
MLS Number	14438836
Category	Axle Housings, Rear
Last Updated	6/19/2026
Location	Des Moines, IA, 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

REMAN 1 YEAR WARR.

Condition	Remanufactured
Rear End	3.55 ratio
Stock Number	28415
MLS Number	14407826
Category	Differentials, Rear
Last Updated	6/17/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Eaton RS404 Rear Axle Housing for a Kenworth T800

2000 Eaton RS404 Rear Axle Housing for a Kenworth T800

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400 Track Width : 72

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	26015933
MLS Number	14432999
Category	Axle Housings, Rear
Last Updated	6/17/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

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