Eaton RS404 Rear Differentials For Sale

(833) 359-___ SHOW
NUMBERCall Seller

1 0

Eaton RS404 Rear Differential

$795 USD

USED EATON RS404 (REAR) REAR DIFFERENTIAL, RATIO 3.70. THE PRICE IS FOR THE DIFFERENTIAL ONLY BUT WE HAVE HOUSINGS AVAILABLE IF NEEDED.

Condition	Used
Rear End	3.70 ratio
Stock Number	96544
MLS Number	13073745
Category	Differentials, Rear
Last Updated	8/13/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

4 0

1999 Eaton RS404 Rear Differential for a Kenworth T600

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY Ref# N/A

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Part Number	N/A
Stock Number	25773063
MLS Number	13511335
Category	Differentials, Rear
Last Updated	8/8/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2 0

2005 Eaton RS404 Rear Differential for a International 8600

$400 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8600
Stock Number	25806259
MLS Number	13626106
Category	Differentials, Rear
Last Updated	8/7/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 980-___ SHOW
NUMBERCall Seller

1 0

Eaton RS404 Rear Differential for a 1999 Kenworth W900B

Contact for price

MILES 547683, Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	W900B
Will Fit Year(s)	1999
Stock Number	823363-5
MLS Number	13743420
Category	Differentials, Rear
Last Updated	8/6/2025
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

4 0

Eaton RS404 Rear Differential

$600 USD

Good used Eaton DS404 Rear, Rear Differential Assembly. 6.17 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	6.17 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/6.17/41
MLS Number	13426325
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

4 0

Eaton RS404 Rear Differential

$600 USD

Good used Eaton DS404 Rear, Rear Differential Assembly. 3.25 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/3.25/41
MLS Number	11999592
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

1 0

Eaton RS404 Rear Differential

$600 USD

Good used Eaton DS404 Rear, Rear Differential Assembly. 3.55 Ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/3.55/41
MLS Number	10204592
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

4 0

Eaton RS404 Rear Differential

$600 USD

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

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/3.70/41
MLS Number	10295744
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

4 0

Eaton RS404 Rear Differential

$600 USD

Good used Eaton RS404 Rear, Rear Differential Assembly. 3.36 Ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/3.36/41
MLS Number	11402853
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

1 0

Eaton RS404 Rear Differential

$600 USD

Good used Eaton DS404 Rear, Rear Differential Assembly. 2.93 Ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	2.93 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/2.93/41
MLS Number	10714392
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

4 0

2004 Eaton RS404 Rear Differential for a Freightliner C120 Century

$400 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	C120 CENTURY
Stock Number	25679000
MLS Number	13095693
Category	Differentials, Rear
Last Updated	7/26/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

3 0

2000 Eaton RS404 Rear Differential for a Peterbilt 377

$325 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	377
Stock Number	25667099
MLS Number	12973916
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2 0

1999 Eaton RS404 Rear Differential for a Kenworth T800

$375 USD

(USED) Eaton RS404 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	25722853
MLS Number	13264602
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2 0

2000 Eaton RS404 Rear Differential for a Peterbilt 385

$400 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	385
Stock Number	25645830
MLS Number	12864178
Category	Differentials, Rear
Last Updated	7/23/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(833) 541-___ SHOW
NUMBERCall Seller

1 0

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	7/22/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

4 0

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

$375 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	7/20/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(833) 541-___ SHOW
NUMBERCall Seller

1 0

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	7/17/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

5 0

2010 Eaton RS404 Rear Differential for a International Prostar

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# 509826

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Prostar
Part Number	509826
Stock Number	25826295
MLS Number	13699471
Category	Differentials, Rear
Last Updated	7/14/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(844) 503-___ SHOW
NUMBERCall Seller

2 0

Eaton RS404 Rear Differential for a 2000 GMC T8500 C/O

$700 USD

GOOD USED, Core Charge: 0, Ratio: 4.33

Condition	Used
Rear End	4.33 ratio
Fits To Make(s)	GMC
Fits To Model(s)	T8500 C/O
Will Fit Year(s)	2000
Stock Number	2A2E56537
MLS Number	13699219
Category	Differentials, Rear
Last Updated	7/19/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

3 0

2007 Eaton RS404 Rear Differential for a International 9900

$375 USD

(USED) Eaton RS404 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9900
Stock Number	25826215
MLS Number	13697178
Category	Differentials, Rear
Last Updated	7/12/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(844) 503-___ SHOW
NUMBERCall Seller

2 0

Eaton RS404 Rear Differential for a 1999 Volvo VNL64T

$500 USD

GOOD USED, Core Charge: 0, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL64T
Will Fit Year(s)	1999
Stock Number	2A2E56519
MLS Number	13679382
Category	Differentials, Rear
Last Updated	9/28/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

5 0

2010 Eaton RS404 Rear Differential for a International Prostar

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY Ref# 509826

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Prostar
Part Number	509826
Stock Number	25824480
MLS Number	13692638
Category	Differentials, Rear
Last Updated	7/10/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 980-___ SHOW
NUMBERCall Seller

1 0

Eaton RS404 Rear Differential for a 2000 Freightliner Century Class

Contact for price

MILES 384380, Ratio: 370

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Century Class
Will Fit Year(s)	2000
Stock Number	055900-5
MLS Number	13689306
Category	Differentials, Rear
Last Updated	7/9/2025
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

4 0

1999 Eaton RS404 Rear Differential for a Freightliner FLD112

$375 USD

(USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD112
Stock Number	25814470
MLS Number	13685971
Category	Differentials, Rear
Last Updated	7/5/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.