Eaton DSP40 Front Differentials For Sale

2010 Eaton DSP40 Front Differential for a Peterbilt 386

$1,410 USD

(USED) Eaton DSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25961085
MLS Number	14268022
Category	Differentials, Front
Last Updated	3/26/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2009 Eaton DSP40 Front Differential for a Peterbilt 367

$1,410 USD

(USED) Eaton DSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131810

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	367
Stock Number	25960782
MLS Number	14242059
Category	Differentials, Front
Last Updated	3/15/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2010 Eaton DSP40 Front Differential for a Kenworth T660

$1,185 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	25948504
MLS Number	14148601
Category	Differentials, Front
Last Updated	2/18/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2016 Eaton DSP40 Front Differential for a Peterbilt 579

$1,150 USD

(USED) Eaton DSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25899398
MLS Number	13997361
Category	Differentials, Front
Last Updated	2/7/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2013 Eaton DSP40 Front Differential for a Peterbilt 365

$1,372 USD

(USED) Eaton DSP40 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	365
Stock Number	25900820
MLS Number	14081432
Category	Differentials, Front
Last Updated	1/10/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2015 Eaton DSP40 Front Differential for a Kenworth T680

$1,425 USD

(USED) Eaton DSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25891218
MLS Number	13965031
Category	Differentials, Front
Last Updated	1/9/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2013 Eaton DSP40 Front Differential for a Peterbilt 388

$1,150 USD

(USED) Eaton DSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 133874

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	388
Stock Number	25834151
MLS Number	13724453
Category	Differentials, Front
Last Updated	12/26/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2020 Eaton DSP40 Front Differential for a Peterbilt 389

$1,800 USD

WELLER REMAN RATIO 3.70 ONE AIR LINE

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	389
Stock Number	12097
MLS Number	14018570
Category	Differentials, Front
Last Updated	12/12/2025
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

2004 Eaton DSP40 Front Differential for a Kenworth T800

$1,310 USD

(USED) Eaton DSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	25875087
MLS Number	13868667
Category	Differentials, Front
Last Updated	12/7/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2006 Eaton DSP40 Front Differential for a Kenworth T 600

$1,250 USD

DIFFERINTIAL IS NO GOOD

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T 600
Stock Number	21609
MLS Number	10534166
Category	Differentials, Front
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2006 Eaton DSP40 Front Differential for a Peterbilt 387

$1,250 USD

GTO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	387
Stock Number	27568
MLS Number	13025458
Category	Differentials, Front
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2006 Eaton DSP40 Front Differential for a Kenworth T2000

$1,250 USD

GTO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T2000
Stock Number	27254
MLS Number	12639201
Category	Differentials, Front
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2004 Eaton DSP40 Front Differential for a Kenworth T800

$1,250 USD

GTO

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T800
Stock Number	26630
MLS Number	11979923
Category	Differentials, Front
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2012 Eaton DSP40 Front Differential for a Peterbilt 386

$1,250 USD

GTO

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Stock Number	26226
MLS Number	11680466
Category	Differentials, Front
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

2006 Eaton DSP40 Front Differential for a Peterbilt 387

$1,250 USD

GTO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	387
Stock Number	25914
MLS Number	11467811
Category	Differentials, Front
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

1992 Eaton DSP40 Front Differential for a Kenworth W900

$1,250 USD

GTO

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	W900
Stock Number	21378
MLS Number	10534098
Category	Differentials, Front
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.