Used Eaton RS404 Axles &amp; Differentials For Sale

Eaton RS404 Rear Differential

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NAGDTD, Serial#: 127473-1, Ratio: 3.70, Casting#: 127473-1

Condition	Used
Rear End	3.70 ratio
Stock Number	284
MLS Number	10681534
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

Eaton RS404 Rear Differential

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NFA, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Stock Number	283
MLS Number	10681532
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

Eaton RS404 Rear Differential

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N/A, Serial#: H981613281, Ratio: 3.70, Casting#: H981613281

Condition	Used
Rear End	3.70 ratio
Stock Number	279
MLS Number	10681526
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

Eaton RS404 Rear Differential

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N/A, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Stock Number	278
MLS Number	10681525
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

Eaton RS404 Rear Differential

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NA, Ratio: 370

Condition	Used
Rear End	3.70 ratio
Stock Number	277
MLS Number	10681523
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

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Eaton RS404 Rear Differential for a 2012 International PROSTAR PREMIUM 6X4

$650 USD

RS404. Turns. Ratio: 3.42. Out of Truck #460. USED. - Ratio: 3.42;Locker?: NO locker: NO, Core Charge: 100.00, Ratio: 3.42

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	International
Fits To Model(s)	PROSTAR PREMIUM 6X4
Will Fit Year(s)	2012
Stock Number	161312
MLS Number	12447128
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Eaton RS404 Rear Axle Housing for a 2005 Peterbilt 379

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REAR REAR BANJO HOUSING, Hub Bolts: 8, Suspension: LOW AIR LEAF, Brake Type: DRUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2005
Stock Number	3624-PETE-21
MLS Number	13348038
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton RS404 Rear Differential for a 2000 GMC T7500

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Changed from 21060S to RS404, Ratio: 4.11

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	GMC
Fits To Model(s)	T7500
Will Fit Year(s)	2000
Stock Number	3328-GMC-3
MLS Number	13343840
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton RS404 Rear Differential for a 2011 Freightliner Cascadia 125

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(DSP41) NO LOCKS 3.55 RATIO, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2011
Stock Number	3094-FRTLR-3
MLS Number	13342715
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton RS404 Rear Axle Housing for a 2007 Freightliner ST120

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3.55 RATIO, HOUSING OK,

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	ST120
Will Fit Year(s)	2007
Stock Number	2869-FRTLR-5
MLS Number	13341748
Category	Axle Housings, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton RS404 Rear Differential for a 2007 Freightliner ST120

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NO LOCKS, 3.55 RATIO, 40,000LBS, TANDEM,, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	ST120
Will Fit Year(s)	2007
Stock Number	2869-FRTLR-4
MLS Number	13341747
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton RS404 Rear Differential for a 2001 Ford STERLING

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NO LOCKS, 40,000LBS 3.36 RATIO, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Ford
Fits To Model(s)	STERLING
Will Fit Year(s)	2001
Stock Number	2544-FORD-8
MLS Number	13339014
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton RS404 Rear Differential for a 1999 Freightliner CLASSIC

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40,000LBS 3.55 RATIO, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	CLASSIC
Will Fit Year(s)	1999
Stock Number	1776-FRTLR-5
MLS Number	13338447
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton RS404 Rear Differential for a 2000 Western Star 4964

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40,000LBS, NO LOCKS 3.90 RATIO, Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Western Star
Fits To Model(s)	4964
Will Fit Year(s)	2000
Stock Number	2388-WS-7
MLS Number	13338342
Category	Differentials, Rear
Last Updated	6/12/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Eaton RS404 Rear Differential for a 2002 GMC C7500

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USED; Ratio: 6.17; Weight: 20000 LBS ( Rears (Rear) ), Core Charge: 0.00, Ratio: 617

Condition	Used
Rear End	6.17 ratio
Fits To Make(s)	GMC
Fits To Model(s)	C7500
Will Fit Year(s)	2002
Stock Number	1623-GMC-1
MLS Number	13338132
Category	Differentials, Rear
Last Updated	6/12/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

2000 Eaton RS404 Rear Axle Housing for a Sterling A9513

$950 USD

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

Condition	Used
Fits To Make(s)	Sterling
Fits To Model(s)	A9513
Stock Number	25994073
MLS Number	14360782
Category	Axle Housings, Rear
Last Updated	5/10/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2001 Eaton RS404 Rear Axle Housing for a International 9100

$950 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9100
Part Number	NO TAG
Stock Number	25993417
MLS Number	14359469
Category	Axle Housings, Rear
Last Updated	5/9/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2007 Eaton RS404 Rear Axle Housing for a International 9200

$950 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9200
Stock Number	25982913
MLS Number	14344289
Category	Axle Housings, Rear
Last Updated	5/8/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2006 Eaton RS404 Rear Differential for a International 9900

$585 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9900
Stock Number	25991468
MLS Number	14355429
Category	Differentials, Rear
Last Updated	5/8/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2006 Eaton RS404 Rear Axle Housing for a International 9900

$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)	9900
Stock Number	25991473
MLS Number	14355428
Category	Axle Housings, Rear
Last Updated	5/8/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2013 Eaton RS404 Rear Axle Housing for a Freightliner Cascadia

$950 USD

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

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25826047
MLS Number	13735539
Category	Axle Housings, Rear
Last Updated	5/6/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2007 Eaton RS404 Rear Differential for a International 9200

$325 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9200
Stock Number	25982905
MLS Number	14348726
Category	Differentials, Rear
Last Updated	5/8/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2001 Eaton RS404 Rear Axle Housing for a Mack CX

$950 USD

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

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CX
Part Number	NO TAG
Stock Number	25988079
MLS Number	14346641
Category	Axle Housings, Rear
Last Updated	5/2/2026
Location	Des Moines, IA, 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	5/1/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.