Used Eaton RS404 Axles &amp; Differentials For Sale

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2007 Eaton RS404 Rear Differential for a Peterbilt 387

Recently Updated

$795 USD

USED EATON RS404 REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	387
Stock Number	38073
MLS Number	12814557
Category	Differentials, Rear
Last Updated	8/28/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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2003 Eaton RS404 Rear Differential for a Freightliner COLUMBIA 120

Recently Updated

$795 USD

USED EATON RS404 REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	COLUMBIA 120
Stock Number	39632
MLS Number	12814819
Category	Differentials, Rear
Last Updated	8/28/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 371-___ SHOW
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Eaton RS404 Rear Differential

Recently Updated

Contact for price

40-155 2.79, Ratio: 2.79

Condition	Used
Rear End	2.79 ratio
Stock Number	ATC1686
MLS Number	11316580
Category	Differentials, Rear
Last Updated	8/25/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

1990 Eaton RS404 Rear Differential for a International 8200

Newly Listed

$550 USD

(USED) Eaton RS404 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 4010F102

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8200
Stock Number	26055203
MLS Number	14561517
Category	Differentials, Rear
Last Updated	8/24/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

1990 Eaton RS404 Rear Axle Housing for a International 8200

Newly Listed

$950 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8200
Stock Number	26055205
MLS Number	14561516
Category	Axle Housings, Rear
Last Updated	8/24/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2003 Eaton RS404 Rear Differential for a Freightliner Columbia 120

Recently Updated

$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	8/28/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential

Newly Listed

$300 USD

Core - RS404-370

Condition	Used
Rear End	3.70 ratio
Stock Number	37143
MLS Number	14557839
Category	Differentials, Rear
Last Updated	8/21/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1997 Eaton RS404 Rear Axle Housing for a Kenworth T2000

$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)	T2000
Stock Number	25904790
MLS Number	14006707
Category	Axle Housings, Rear
Last Updated	8/21/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2011 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	25909644
MLS Number	14054470
Category	Axle Housings, Rear
Last Updated	8/21/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(877) 254-___ SHOW
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2006 Eaton RS404 Rear Differential for a Mack CXU600

$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.

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 : 71

Condition	Used
Fits To Make(s)	Volvo
Fits To Model(s)	Wia
Stock Number	26050928
MLS Number	14550671
Category	Axle Housings, Rear
Last Updated	8/19/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2003 Eaton RS404 Rear Axle Housing for a Freightliner Columbia 120

$950 USD

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

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Part Number	NO TAG
Stock Number	26049832
MLS Number	14546839
Category	Axle Housings, Rear
Last Updated	8/22/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2007 Eaton RS404 Rear Differential for a Freightliner Columbia 120

$585 USD

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

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	26013381
MLS Number	14421224
Category	Differentials, Rear
Last Updated	8/15/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

1997 Eaton RS404 Rear Axle Housing for a International 4700

$950 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	4700
Stock Number	26048460
MLS Number	14542565
Category	Axle Housings, Rear
Last Updated	8/15/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

1998 Eaton RS404 Rear Differential for a Volvo WG

$595 USD

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

Condition	Used
Fits To Make(s)	Volvo
Fits To Model(s)	WG
Stock Number	25826370
MLS Number	13739704
Category	Differentials, Rear
Last Updated	8/13/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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.

1998 Eaton RS404 Rear Axle Housing for a Peterbilt 379

$950 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Stock Number	26027391
MLS Number	14466394
Category	Axle Housings, Rear
Last Updated	8/12/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's 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.

2001 Eaton RS404 Rear Axle Housing for a Kenworth T800

Contact for price

Eaton RS404 Rear Axle Housing, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. P/N 305830, Removed From 2001 Kenworth AG400 Suspension.

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T800
Stock Number	36554
MLS Number	14527528
Category	Axle Housings, Rear
Last Updated	8/6/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1997 Eaton RS404 Rear Axle Housing for a Freightliner FLD112

$950 USD

Eaton RS404 Axle Housing, 10 Hole Pilot, Air Drum Brakes, P/N 306298. Removed From Hendrickson HN402 Suspension.

Condition	Used
Suspension	Hendrickson
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	FLD112
Stock Number	120-30E
MLS Number	14505536
Category	Axle Housings, Rear
Last Updated	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1996 Eaton RS404 Axle Shaft for a Volvo VNL

$150 USD

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	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1996 Eaton RS404 Axle Shaft for a Volvo VNL

$150 USD

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	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2013 Eaton RS404 Axle Shaft for a Freightliner Cascadia 125

$150 USD

Eaton DS404/RS404 Axle Shaft, P/N 127437

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 125
Stock Number	1809-28
MLS Number	13969242
Category	Axle Shafts
Last Updated	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment