Used Eaton Front Differentials For Sale

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Eaton DSP40 Front Differential

$750 USD

Core - DSP40-325 - Grade C - Rebuildable - gearset is bad burnt, case looks good. Core Unit Sold As-Is.

Condition	Used
Rear End	3.25 ratio
Stock Number	30724
MLS Number	14246575
Category	Differentials, Front
Last Updated	3/26/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton DS521P Front Differential

$2,850 USD

Good used Eaton DS521P 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)	DS521P
Stock Number	Ryd DS521P/6.17/36
MLS Number	14234315
Category	Differentials, Front
Last Updated	3/10/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(844) 484-___ SHOW
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2012 Peterbilt Front Differential for a Peterbilt 386

$1,800 USD

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Stock Number	1531
MLS Number	14147297
Category	Differentials, Front
Last Updated	3/5/2026
Location	ORLANDO, FL, US
Sold By	USA Trade & Exports Inc.

2010 Eaton DSP40 Front Differential for a Peterbilt 387

$1,185 USD

(USED) Eaton DSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	25679975
MLS Number	13029919
Category	Differentials, Front
Last Updated	2/28/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2018 Eaton D40-155 Front Differential for a International Prostar

$2,490 USD

(USED) Eaton D40-155 Ratio: 2.79 Side Gear Splines: 41 W/ Locker: NO Cast#: 134660

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Stock Number	25683030
MLS Number	13044289
Category	Differentials, Front
Last Updated	3/6/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(833) 359-___ SHOW
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2009 Eaton DSP40 Front Differential for a Peterbilt 387

$1,195 USD

USED EATON DSP40 FRONT REAR DIFFERENTIAL/3.55 RATIO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	387
Stock Number	87172
MLS Number	14155580
Category	Differentials, Front
Last Updated	2/20/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2010 Eaton DS404 Front Differential for a International Prostar

$1,217 USD

(USED) Eaton DS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038 Ref# 514524

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Part Number	514524
Stock Number	25824479
MLS Number	13699476
Category	Differentials, Front
Last Updated	2/22/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(844) 484-___ SHOW
NUMBERCall Seller

Eaton 3.55 Front Differential

Contact for price

Condition	Used
Stock Number	943
MLS Number	14022684
Category	Differentials, Front
Last Updated	2/14/2026
Location	ORLANDO, FL, US
Sold By	USA Trade & Exports Inc.

2018 Eaton D40-155 Front Differential for a International LT

$2,650 USD

(USED) Eaton D40-155 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 134660

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	LT
Stock Number	25792234
MLS Number	13579656
Category	Differentials, Front
Last Updated	2/11/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2000 Eaton DS404 Front Differential for a Kenworth T800

$1,217 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Part Number	129572
Stock Number	25642811
MLS Number	12880403
Category	Differentials, Front
Last Updated	2/8/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2014 Eaton DDH40 Front Differential for a Peterbilt 386

$1,512 USD

(USED) Eaton DDH40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: YES Cast#: -

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25799426
MLS Number	13597533
Category	Differentials, Front
Last Updated	2/5/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2017 Eaton D40-155 Front Differential for a Kenworth T680

$2,650 USD

(USED) Eaton D40-155 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 134660

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25444842
MLS Number	12204678
Category	Differentials, Front
Last Updated	1/30/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

Eaton DS405 Front Differential

$1,100 USD

Good used Eaton DS405 Front rear differential Assembly 3.90 Ratio 90 day guarantee for swap or refund,

Quantity	2
Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DS405
Stock Number	Ryd DS405/3.90/41
MLS Number	12159619
Category	Differentials, Front
Last Updated	1/27/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton DS404 Front Differential

$1,100 USD

Good used Eaton DS404 front, rear differential assembly. 5.29 ratio 90 day guarantee for swap or refund.

Condition	Used
Rear End	5.29 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DS404
Stock Number	Ryd DS404/5.29/41
MLS Number	12979107
Category	Differentials, Front
Last Updated	1/17/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton DS404 Front Differential

$1,100 USD

Good used Eaton DS404 front, 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)	DS404
Stock Number	Ryd DS404/3.70/41
MLS Number	11724142
Category	Differentials, Front
Last Updated	1/17/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2014 Eaton DSP40 Front Differential for a Kenworth T680

$1,185 USD

(USED) Eaton DSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# 514536

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Part Number	514536
Stock Number	25779921
MLS Number	13543454
Category	Differentials, Front
Last Updated	1/16/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

Eaton DSP40 Front Differential

$1,000 USD

Good used Eaton DSP40 Front, Rear Differential Assembly 2.64 Ratio 90 day guarantee for swap or refund

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DSP40
Stock Number	Ryd DSP40/2.64/41
MLS Number	14085809
Category	Differentials, Front
Last Updated	1/17/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton DDP41 Front Differential

$1,500 USD

Good used Eaton DDP41 Locking front, rear differential assembly. 4.63 ratio 90 day guarantee for swap or refund.

Condition	Used
Rear End	4.63 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DDP41
Stock Number	Ryd DDP41/4.63/41
MLS Number	14081705
Category	Differentials, Front
Last Updated	1/10/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton DS463 Front Differential

$2,500 USD

Good used Eaton DS463 front, rear differential assembly. 3.90 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DS463
Stock Number	Ryd DS463/3.90/36
MLS Number	13585363
Category	Differentials, Front
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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

Eaton DS404 Front Differential

$1,100 USD

Good used Eaton DS404 front, rear differential assembly. 2.93 ratio 90 day guarantee for swap or refund.

Condition	Used
Rear End	2.93 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DS404
Stock Number	Ryd DS404/2.93/41
MLS Number	12567666
Category	Differentials, Front
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton DS404 Front Differential

$1,100 USD

Good used Eaton DS404 front rear differentail assembly. 4.11 ratio 90 day guarantee for swap or refund

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DS404
Stock Number	Ryd DS404/4.11/41
MLS Number	12159596
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.

1999 Eaton DSP40 Front Differential for a Peterbilt 379

$1,410 USD

(USED) Eaton DSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: -

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Stock Number	25772417
MLS Number	13480721
Category	Differentials, Front
Last Updated	12/24/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.