Eaton DS404 Front Differentials For Sale in United States

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Eaton DS404 Front Differential

$1,100 USD

Good used Eaton DS404 front, 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)	DS404
Stock Number	Ryd DS404/6.17/41
MLS Number	13426324
Category	Differentials, Front
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2000 Eaton DS404 Front Differential for a Western Star 4900EX

$950 USD

(USED) Eaton DS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: Could Not Verify

Condition	Used
Fits To Make(s)	Western Star Trucks
Fits To Model(s)	4900EX
Stock Number	25657581
MLS Number	12939111
Category	Differentials, Front
Last Updated	12/29/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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Eaton DS404 Front Differential

$1,900 USD

Rebuilt Eaton DS404 front rear Differential Assembly 3.25 Ratio 1yr warranty

Condition	Remanufactured
Rear End	3.25 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DS404
Stock Number	Ryd DS404/3.25/41
MLS Number	13363035
Category	Differentials, Front
Last Updated	8/22/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2010 Eaton DS404 Front Differential for a International Durastar (4400)

$1,314 USD

(USED) Eaton DS404 Ratio: 5.29 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Durastar (4400)
Stock Number	25795658
MLS Number	13656720
Category	Differentials, Front
Last Updated	6/20/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2004 Eaton DS404 Front Differential

$1,650 USD

GOOD USED EATON DS404-3.70 FRONT DIFFERENTIAL EXC.

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	DS404
Stock Number	145045
MLS Number	13651639
Category	Differentials, Front
Last Updated	6/19/2025
Location	Oil City, LA, US
Sold By	Bobby Johnson Equipment Co., Inc.

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Eaton DS404 Front Differential

$1,500 USD

GOOD USED EATON DS404-3.90 FRONT DIFFERENTIAL EXC.

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	DS404
Stock Number	144782
MLS Number	13241893
Category	Differentials, Front
Last Updated	11/19/2024
Location	Oil City, LA, US
Sold By	Bobby Johnson Equipment Co., Inc.

2003 Eaton DS404 Front Differential for a International 8600

$1,314 USD

(USED) Eaton DS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 129572

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8600
Stock Number	25653007
MLS Number	12895140
Category	Differentials, Front
Last Updated	10/27/2024
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(833) 432-___ SHOW
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Eaton DS404 Front Differential

$1,350 USD

Front 2.85 Ratio 41 Spline 1760 Yoke, Good Takeout

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	DS404
Stock Number	R09953401
MLS Number	13093257
Category	Differentials, Front
Last Updated	1/2/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

(844) 329-___ SHOW
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Eaton DS404 Front Differential

Contact for price

Eaton DS404; Front Rear Differential; 3.70 Ratio; S11. Call or message with any questions or visit our website.

Condition	Used
Rear End	3.70 ratio
Stock Number	1454
MLS Number	10160282
Category	Differentials, Front
Last Updated	12/13/2022
Location	Springville, PA, US
Sold By	Summit Core Supply

(833) 396-___ SHOW
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Eaton DS404 Front Differential, ratio 3.70

$950 USD

USED EATON DS404 FRONT DIFFERENTIAL, RATIO 3.70, INSPECTED, 30 DAY WARRANTY.

Condition	Used
Part Number	DS404
Stock Number	S4115
MLS Number	10222569
Category	Differentials, Front
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

(833) 396-___ SHOW
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Eaton DS404 Front Differential, Ratio 3.55

$950 USD

USED EATON DS404 FRONT DIFFERENTIAL, RATIO 3.55, INSPECTED, 30 DAY WARRANTY.

Condition	Used
Part Number	DS404
Stock Number	S4113
MLS Number	10222511
Category	Differentials, Front
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

(833) 396-___ SHOW
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Eaton DS404 Front Differential, Ratio 3.55

$950 USD

USED EATON DS404 FRONT DIFFERENTIAL, RATIO3.55

Condition	Used
Part Number	DS404
Stock Number	S4049
MLS Number	10107810
Category	Differentials, Front
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

1999 Eaton DS404 Front Differential for a Freightliner FLD120

$1,050 USD

(USED) Eaton DS404 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 129546 Ref# 509737

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD120
Part Number	509737
Stock Number	26053085
MLS Number	14598091
Category	Differentials, Front
Last Updated	9/19/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2000 Eaton DSP40 Front Differential for a Peterbilt 378

$1,217 USD

(USED) Eaton DS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 129546

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25963928
MLS Number	14254014
Category	Differentials, Front
Last Updated	9/20/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

1999 Eaton DS404 Front Differential for a Peterbilt 377

$1,217 USD

(USED) Eaton DS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127605

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	377
Stock Number	26052479
MLS Number	14610028
Category	Differentials, Front
Last Updated	9/17/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 794-___ SHOW
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Eaton DS404 Front Differential

$750 USD

Core - DS404-370

Condition	Used
Rear End	3.70 ratio
Stock Number	37701
MLS Number	14604630
Category	Differentials, Front
Last Updated	9/15/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1990 Eaton DS404 Front Differential for a International 8200

$895 USD

(USED) Eaton DS404 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 93062

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8200
Stock Number	26055202
MLS Number	14561518
Category	Differentials, Front
Last Updated	9/13/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2010 Eaton DS404 Front Differential for a International Prostar

$1,325 USD

(USED) Eaton DS404 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 130823 Ref# 514517

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Part Number	514517
Stock Number	25987489
MLS Number	14340796
Category	Differentials, Front
Last Updated	9/12/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2003 Eaton DS404 Front Differential for a Mack CX

$950 USD

(USED) Eaton DS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 129572

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CX
Stock Number	26005326
MLS Number	14409606
Category	Differentials, Front
Last Updated	9/5/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2003 Eaton DS404 Front Differential for a Freightliner Columbia 120

$1,217 USD

(USED) Eaton DS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	26049826
MLS Number	14546346
Category	Differentials, Front
Last Updated	9/4/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

(833) 371-___ SHOW
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Eaton DS404 Front Differential

Contact for price

DS404 Ratio:3.36, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Stock Number	ATC2661
MLS Number	14570870
Category	Differentials, Front
Last Updated	8/28/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

2000 Eaton DS404 Front Differential for a Western Star 4900EX

$1,325 USD

(USED) Eaton DS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 21C4B

Condition	Used
Fits To Make(s)	Western Star Trucks
Fits To Model(s)	4900EX
Stock Number	26052050
MLS Number	14554451
Category	Differentials, Front
Last Updated	8/28/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

1998 Eaton DS404 Front Differential for a Freightliner FLD120

$950 USD

(USED) Eaton DS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD120
Stock Number	26001919
MLS Number	14411673
Category	Differentials, Front
Last Updated	8/28/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.