Used Eaton RS404 Rear Differentials For Sale

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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

(855) 370-___ SHOW
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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.

(855) 946-___ SHOW
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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.

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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

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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 Differential for a 2003 Kenworth T300

$695 USD

RS404 4.63 RATIO, USED TAKEOUT. WILL INSPECT IN OUR GEARSHOP, 90 DAY WARRANTY., Ratio: 4.63

Condition	Used
Rear End	4.63 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T300
Will Fit Year(s)	2003
Stock Number	22726-3
MLS Number	14231498
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 2010 International PROSTAR

$695 USD

RS404 3.55 RATIO USED TAKEOUT. WILL INSPECT IN OUR GEARSHOP 90 DAY WARRANTY., Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Will Fit Year(s)	2010
Stock Number	20226-2
MLS Number	14123526
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 2000 Kenworth T800

$695 USD

RS404 3.90 RATIO USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY., Axle Spline Count: 41, Ratio: 3.90, Casting#: 127608

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2000
Stock Number	10826-2
MLS Number	14087670
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 1996 Kenworth T600

$595 USD

GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250.00, Ratio: 355

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Will Fit Year(s)	1996
Part Number	RS404
Stock Number	71125-4
MLS Number	13706538
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 1998 Volvo VN

$795 USD

GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 250.00, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Volvo
Fits To Model(s)	VN
Will Fit Year(s)	1998
Part Number	RS404
Stock Number	50625-4
MLS Number	13565536
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 1996 Volvo WCA Areo Series

$595 USD

RS404 3.55 GOOD INSPECTED TAKEOUT 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 150.00, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Volvo
Fits To Model(s)	WCA Areo Series
Will Fit Year(s)	1996
Part Number	RS404
Stock Number	31525-5
MLS Number	13458345
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 1994 International F-8100

$550 USD

RS404 3.08, 294K MILES, INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.08

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	International
Fits To Model(s)	F-8100
Will Fit Year(s)	1994
Part Number	RS404
Stock Number	10325-4
MLS Number	13328318
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 2001 Peterbilt 357

$595 USD

RS404 3.90 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	357
Will Fit Year(s)	2001
Stock Number	10625-4
MLS Number	13326263
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 2001 Volvo VNL

$695 USD

RS404 3.55 GOOD INSPECTED TAKEOUT 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 200, Ratio: 3.55

Condition	Used
Fits To Make(s)	Volvo
Fits To Model(s)	VNL
Will Fit Year(s)	2001
Part Number	RS404 17060 19060 21060
Stock Number	120124-5
MLS Number	13265772
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 1997 Freightliner FLD120

$795 USD

RS404 2.85 GOOD INSPECTED TAKEOUT 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 300.00, Ratio: 2.85

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD120
Will Fit Year(s)	1997
Part Number	RS404
Stock Number	111124-5
MLS Number	13243122
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 1999 Peterbilt 379

$595 USD

RS404 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	1999
Stock Number	90724-4
MLS Number	13118689
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 2005 Freightliner Columbia 120

$495 USD

RS404 3.70 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 300.00, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Columbia 120
Will Fit Year(s)	2005
Stock Number	90324-4
MLS Number	13092531
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 2000 Peterbilt 379

$650 USD

RS404 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2000
Stock Number	61224-4
MLS Number	12948842
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential

$495 USD

RS404 3.36 INSPECTED TAKE OUT. 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 14540, Core Charge: EXCHANGE, Ratio: 3.36

Condition	Used
Part Number	14540
Stock Number	14540
MLS Number	12918601
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 1999 Kenworth W900

$795 USD

RS404 3.36 GOOD INSPECTED TAKEOUT DIFFERENTIAL ASSEMBLY. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 350, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	W900
Will Fit Year(s)	1999
Part Number	RS404
Stock Number	41924-3
MLS Number	12844191
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential

$595 USD

INSPECTED TAKEOUT RS404 4.88. 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 14209, Core Charge: EXCHANGE, Ratio: 4.88

Condition	Used
Part Number	14209
Stock Number	14209
MLS Number	12523554
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 2000 Kenworth W900

$595 USD

RS404 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Serial#: 6NZ08157, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	W900
Will Fit Year(s)	2000
Stock Number	120723-11
MLS Number	12512415
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 2007 International 9400I

$795 USD

RS405 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250, Ratio: 3.55

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9400I
Will Fit Year(s)	2007
Part Number	RS405
Stock Number	100423-9
MLS Number	12368009
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RS404 Rear Differential for a 1997 Kenworth T2000

$695 USD

RS404 3.70 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 200, Ratio: 3.70

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Will Fit Year(s)	1997
Part Number	RS-404
Stock Number	80923-8
MLS Number	12238266
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts