Eaton RS404 Rear Differentials For Sale

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1998 Eaton RS404 Rear Differential for a Volvo VN

Recently Updated

$750 USD

NEEDS TO BE REBUILT

Quantity	3
Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	VN
Stock Number	14348
MLS Number	10533059
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2007 Eaton RS404 Rear Differential for a Freightliner CENTURY

Recently Updated

$750 USD

GTO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CENTURY
Stock Number	22036
MLS Number	10534234
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	3.90 ratio
Stock Number	S4057
MLS Number	10257511
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	2.64 ratio
Stock Number	S4062
MLS Number	10257513
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	2.85 ratio
Stock Number	S4074
MLS Number	10257515
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	3.55 ratio
Stock Number	S4075
MLS Number	10257517
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	3.36 ratio
Stock Number	S4076
MLS Number	10257518
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	2.85 ratio
Stock Number	S4091
MLS Number	10257538
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	3.25 ratio
Stock Number	S4098
MLS Number	10257544
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	2.85 ratio
Stock Number	BP 14645
MLS Number	10263508
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	3.08 ratio
Stock Number	S3336RR
MLS Number	10335671
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	4.11 ratio
Stock Number	S4125
MLS Number	10439038
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	4.11 ratio
Stock Number	BP 14776
MLS Number	10445228
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	3.25 ratio
Stock Number	BP 14784
MLS Number	10445236
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	3.25 ratio
Stock Number	BP 14786
MLS Number	10454904
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	3.25 ratio
Stock Number	BP 14792
MLS Number	10454910
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$650 USD

Condition	Used
Rear End	4.63 ratio
Stock Number	BP 14744
MLS Number	10418784
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

Eaton RS404 Rear Differential

Recently Updated

$550 USD

Condition	Used
Rear End	4.88 ratio
Stock Number	S4080
MLS Number	10257522
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

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Eaton RS404 Rear Differential for a 2009 Kenworth T300

Contact for price

(Used) 2009 Kenworth T300, DIFFERENTIAL GEARS ONLY- REMANUFACTURED!! Serial Number: M318540, Make: Eaton, Model: RS404, Ratio: 4.88, Capacity: 21,000 Lbs, Reference images for condition, For...

Condition	Used
Rear End	4.88 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T300
Will Fit Year(s)	2009
Stock Number	P-513775
MLS Number	14624407
Category	Differentials, Rear
Last Updated	9/24/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2003 Eaton RS404 Rear Differential for a International 4400

$425 USD

(USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 129543

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	4400
Stock Number	25591901
MLS Number	12632162
Category	Differentials, Rear
Last Updated	9/5/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2008 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	25651667
MLS Number	12881906
Category	Differentials, Rear
Last Updated	9/5/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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1999 Eaton RS404 Rear Differential for a Kenworth W900L

$325 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Stock Number	25983371
MLS Number	14357575
Category	Differentials, Rear
Last Updated	8/30/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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Eaton RS404 Rear Differential

$500 USD

Good used Eaton DS404 Rear, Rear Differential Assembly. 3.70 Ratio. 90 day guarantee for swap or refund

Quantity	6
Condition	Used
Rear End	3.70 ratio
Stock Number	Ryd RS404/3.70/41
MLS Number	10295744
Category	Differentials, Rear
Last Updated	8/26/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(855) 794-___ SHOW
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Eaton RS404 Rear Differential

$1,215 USD

RS404-411 - Reconditioned

Condition	Remanufactured
Rear End	4.11 ratio
Stock Number	RS404-411-REC
MLS Number	14028773
Category	Differentials, Rear
Last Updated	8/29/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment