Used Eaton Front Differentials For Sale by Dealerships

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2017 Eaton D40-155 Front Differential for a Kenworth T680

Price Drop $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.

(844) 484-___ SHOW
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Eaton 3.55 Front Differential

Recently Updated

Contact for price

Condition	Used
Stock Number	946
MLS Number	14022685
Category	Differentials, Front
Last Updated	1/28/2026
Location	ORLANDO, FL, US
Sold By	USA Trade & Exports Inc.

2015 Eaton DSP40-3.36 Front Differential for a Kenworth T660

Recently Updated

$1,295 USD

DSP40 3.36 Inspected takeout. +$350 core, Yoke; SPL250, Side gear; 41 Spline, Input shaft; 44 Spline,

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T660
Stock Number	14995
MLS Number	13812793
Category	Differentials, Front
Last Updated	1/28/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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Eaton DS405 Front Differential

Recently Updated

$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

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2016 Eaton DSP40 Front Differential for a Peterbilt 579

Recently Updated

$1,185 USD

(USED) Eaton DSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 1312038

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25796062
MLS Number	13604297
Category	Differentials, Front
Last Updated	1/28/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

Eaton DS404-3.70 Front Differential

$1,295 USD

Eaton DS404 3.70 Inspected Takeout +$350 Core, Ratio: 3.70, Yoke: SPL170, Side Gear: 41 Splines, Input: 44 Splines, Non-Locker

Condition	Used
Stock Number	15416
MLS Number	13908207
Category	Differentials, Front
Last Updated	1/24/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(833) 541-___ SHOW
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Eaton DSP41 Front Differential for a 2016 Kenworth T680

$1,095 USD

DSP41 3.36 RATIO USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Will Fit Year(s)	2016
Stock Number	11826-3
MLS Number	14106488
Category	Differentials, Front
Last Updated	1/23/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404-3.90 Front Differential

$500 USD

DS404 3.90 CORE , Inner Axle gear nest fail, Yoke: N/A, Side Gear: 41 Splines, Input: 44 Splines, Non-Locker

Condition	Used
Stock Number	16299
MLS Number	14104385
Category	Differentials, Front
Last Updated	1/23/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton DSH40 Front Differential

$1,295 USD

Eaton DSH40 3.90 Inspected Takeout + $350 Core, Ratio: 3.90, Yoke: 1810, Side Gear: 41 Splines, Input: 44 Splines, Non- Locker

Condition	Used
Stock Number	15428
MLS Number	13910092
Category	Differentials, Front
Last Updated	1/22/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton DSP40-355 Front Differential

$1,295 USD

Eaton DSP40 3.55 Inspected Takeout +$350 Core, Ratio: 3.55, Yoke: 1810, Side Gear: 41 Splines, Input: 44 Splines, Non-Locker,

Condition	Used
Stock Number	15427
MLS Number	13908218
Category	Differentials, Front
Last Updated	1/22/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton DS404-3.36 Front Differential

$500 USD

Eaton DS404 3.36 CORE - Ring and Pinion Damage, Yoke: 1810, Side Gear: 41 spline, Input : 44Spline, Non-Locker

Condition	Used
Stock Number	14569
MLS Number	13746989
Category	Differentials, Front
Last Updated	1/22/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

1997 Eaton DS404-4.33 Front Differential for a Volvo Truck WG

$700 USD

DS404 4.33 CORE, Yoke: 1760, Side gear: 41 Spline, Input: 44 Spline

Condition	Used
Fits To Make(s)	VOLVO TRUCK
Fits To Model(s)	WG
Stock Number	12552
MLS Number	13376966
Category	Differentials, Front
Last Updated	1/22/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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Eaton DSP41 Front Differential

$1,250 USD

DSP41 - 3.70 Ratio - Pullout - P/N 514538 (682971). DIFF ONLY, HOUSING SOLD SEPARATELY.

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DSP41
Stock Number	25740
MLS Number	13909480
Category	Differentials, Front
Last Updated	1/21/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton DS402 Front Differential for a 1986 Kenworth W900

$1,695 USD

DS402 USED TAKEOUT, 4.56 RATIO WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY, Ratio: 4.56

Condition	Used
Rear End	4.56 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	W900
Will Fit Year(s)	1986
Stock Number	11426-2
MLS Number	14101182
Category	Differentials, Front
Last Updated	1/21/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS402-4.11 Front Differential

$1,695 USD

DS402 4.11 Inspected takeout +$1000 Core, Yoke; N/A, Side gear 41 spline Input shaft 44 Spline.

Condition	Used
Stock Number	12726
MLS Number	13441271
Category	Differentials, Front
Last Updated	1/20/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton DS402-3.70 Front Differential

$1,500 USD

DS402 3.70 CORE Interaxle diff damage Cage missing, Ring and pinion damage, Yoke N/A, Side gear 41 Spline, Input N/A

Condition	Used
Stock Number	12554
MLS Number	13376968
Category	Differentials, Front
Last Updated	1/20/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton DS402-4.33 Front Differential

$1,500 USD

DS402 4.33 CORE, Yoke N/A, Side Gears 41 Spline, Input 44 Spline

Condition	Used
Stock Number	12540
MLS Number	13376954
Category	Differentials, Front
Last Updated	1/20/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton DS402-3.70 Front Differential

$1,500 USD

DS402 3.70 CORE, Yoke none, Side gear 41 spline, Input 44 spline

Condition	Used
Stock Number	12484
MLS Number	13362363
Category	Differentials, Front
Last Updated	1/20/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

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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

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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

Eaton DSH40 Front Differential

$1,295 USD

Eaton DSH40 3.90 Inspected Takeout +$350 Core, Capacity: 40K, Ratio: 3.90, Yoke: N/A, Side Gear: 41 Splines, Input: 44 Splines, Non-Locker

Condition	Used
Stock Number	15368
MLS Number	13876410
Category	Differentials, Front
Last Updated	1/17/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(855) 624-___ SHOW
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Eaton DD404 Front Differential for a 2004 Peterbilt 379

Contact for price

2004 PETE 379 EATON 404 FRONT DIFF WITH LOCK, 3.90 RATIO, LOW AIRLEAF SUSPENSION, Serial#: NA, Ratio: 3.90, Casting#: NA

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2004
Stock Number	3880-PETE-4
MLS Number	14095827
Category	Differentials, Front
Last Updated	1/17/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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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.

2023 Eaton DDH40P Front Differential for a Kenworth T880

$1,895 USD

DDH40P 3.70 LOCKER Inspected Takeout , +$750 Core, Yoke: SPL250, Side Gear: 41 Splines, Input: 44 Splines,

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T880
Stock Number	16251
MLS Number	14092629
Category	Differentials, Front
Last Updated	1/17/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower