Eaton RS404 Axles &amp; Differentials For Sale below $10,000

2012 Eaton RS404 Rear Axle Housing for a Freightliner Cascadia 125

$850 USD

Eaton Rear Axle Housing, RS404, P/N 321354, S/N U111718639, 10 Hole Pilot, Air Drum Brakes. Axle Shafts Removed.

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 125
Stock Number	512-2
MLS Number	14305967
Category	Axle Housings, Rear
Last Updated	7/16/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

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Eaton RS404 Rear Differential

$970 USD

Livraison partout au Canada États-Unis / We ship anywhere in Canada USA. - Stock : 30676D - Ratio : 4.11 / 40 000lbs, Arrière, Sans Lock - Ratio : 4.11 / 40 000lbs, Rear, No Lock - No...

Condition	Used
Rear End	4.11 ratio
Stock Number	30676D
MLS Number	11979186
Category	Differentials, Rear
Last Updated	7/11/2026
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert

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2000 Eaton RS404 Rear Differential for a Sterling A9513

$425 USD

(USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351

Condition	Used
Fits To Make(s)	Sterling
Fits To Model(s)	A9513
Stock Number	25469882
MLS Number	12275817
Category	Differentials, Rear
Last Updated	7/12/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2003 Eaton RS404 Rear Differential for a International 8600

$325 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8600
Stock Number	25653008
MLS Number	12890725
Category	Differentials, Rear
Last Updated	6/25/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

1996 Eaton RS404 Rear Axle Housing for a Volvo VNL

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Eaton RS404 Rear Rear Axle Housing

Condition	Used
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Stock Number	4521-6
MLS Number	14448107
Category	Axle Housings, Rear
Last Updated	6/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1996 Eaton RS404 Rear Differential for a Volvo VNL

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Eaton RS404- Rear Rear Diff - 3.90 Ratio - Pullout - DIFF ONLY. P/N- 214952, S/N- H963477865

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	6/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton RS404 Rear Axle Housing for a 1999 Kenworth T600

$1,495 USD

RS404 REAR AXLE HOUSING ON AG200 SUSPENSION, DRUM BRAKE., Hub Bolts: 10, Suspension: AG200, Brake Type: DRUM

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Will Fit Year(s)	1999
Stock Number	52126-10
MLS Number	14424907
Category	Axle Housings, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RS404 Rear Axle Housing for a 2000 Kenworth W900

$1,495 USD

GOOD USED HOUSING ASSEMBLY/ WILL INSPECT BEARING SURFACES.AG200/400 RS404/ RSP40, Serial#: NA, Core Charge: NA, Hub Bolts: 10, Suspension: AG200/400

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900
Will Fit Year(s)	2000
Part Number	AG200
Stock Number	51026-13
MLS Number	14424523
Category	Axle Housings, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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2012 Eaton RS404 Rear Differential for a International Transtar (8600)

$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)	TRANSTAR (8600)
Stock Number	25816538
MLS Number	13709024
Category	Differentials, Rear
Last Updated	6/11/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential

$1,350 USD

RS404-390 - Rebuilt

Condition	Remanufactured
Rear End	3.90 ratio
Stock Number	RS404-390-REB
MLS Number	13962038
Category	Differentials, Rear
Last Updated	6/11/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2004 Eaton RS404 Rear Differential for a Freightliner COLUMBIA 120

$500 USD

GOOD USED EATON RST40-370 REAR/REAR DIFFERENTIAL EXC EATON@ 675908

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	145046
MLS Number	13651640
Category	Differentials, Rear
Last Updated	6/4/2026
Location	Oil City, LA, US
Sold By	Bobby Johnson Equipment Co., Inc.

Eaton RS404 Rear Differential

$300 USD

Core - RS404-336 - Grade C - Rebuildable - Bad Gearset, Ring Gear is pitted, case looks good. 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	5/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Differential

$300 USD

Core - RS404-370 - Grade C - rebuildable - Tail bearing has some movement, but is wornout, good gear set.

Condition	Used
Rear End	3.70 ratio
Stock Number	32361
MLS Number	14386825
Category	Differentials, Rear
Last Updated	5/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Axle Housing

$850 USD

Eaton Rear Axle Housing, RS404, P/N 321304, 10 Hole Pilot, Air Drum Brakes. PRICE FOR HOUSING ONLY

Condition	Used
Stock Number	32995
MLS Number	14363344
Category	Axle Housings, Rear
Last Updated	5/20/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Axle Housing

$850 USD

Eaton Rear Axle Housing, RS404, P/N 320108, S/N U040981124, 10 Hole Pilot, Air Drum Brakes. PRICE FOR HOUSING ONLY.

Condition	Used
Stock Number	32292
MLS Number	14333338
Category	Axle Housings, Rear
Last Updated	5/20/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Axle Housing

$850 USD

Eaton Rear Axle Housing, RS404, 10 Hole Bud, AIr Drum Brakes.

Condition	Used
Stock Number	31948
MLS Number	14318513
Category	Axle Housings, Rear
Last Updated	5/20/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Axle Housing

$850 USD

Eaton Rear Axle Housing, RS404, 10 Hole Pilot, Air Drum Brakes, Passenger Side Hub Removed.

Condition	Used
Stock Number	31716
MLS Number	14305958
Category	Axle Housings, Rear
Last Updated	5/20/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Axle Housing

$850 USD

Eaton Rear Axle Housing, RS404, 10 Hole Pilot, Air Drum Brakes. Both Brake drums and the Passenger Side Axle Shaft have been removed.

Condition	Used
Stock Number	31595
MLS Number	14304007
Category	Axle Housings, Rear
Last Updated	5/20/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Axle Housing

$850 USD

Eaton Rear Axle Housing, RS404, P/N 307976, S/N U992020156, 10 Hole Pilot, Air Drum Brakes

Condition	Used
Stock Number	31442
MLS Number	14291930
Category	Axle Housings, Rear
Last Updated	5/20/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

Eaton RS404 Rear Axle Housing for a International

$850 USD

Eaton Rear Axle Housing, RS404, P/N 08275850, 10 Hole Pilot, Air Drum Brakes

Condition	Used
Fits To Make(s)	International
Stock Number	4534005
MLS Number	14288050
Category	Axle Housings, Rear
Last Updated	5/20/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

2009 Eaton RS404 Rear Axle Housing for a International ProStar

$850 USD

Eaton Rear Axle Housing, RS404, 10 Hole Pilot, Air Drum Brakes, Removed from 2009 International Air Suspension

Condition	Used
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	ProStar
Stock Number	1220-6
MLS Number	13891546
Category	Axle Housings, Rear
Last Updated	5/19/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment