Eaton Axles &amp; Differentials For Sale

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Eaton RSP40 Rear Differential

$550 USD

3.25,

Condition	Used
Stock Number	REAR-2358
MLS Number	14633403
Category	Differentials, Rear
Last Updated	9/30/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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Eaton DSP40 Differential

$950 USD

3.25,

Condition	Used
Stock Number	REAR-2357
MLS Number	14633392
Category	Differentials, Unspecified
Last Updated	9/30/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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Eaton 23070-S Rear Differential

$850 USD

Good used Eaton 23070-S Rear, Rear Differential Assembly. 4.88 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	4.88 ratio
Stock Number	Ryd 23070-S/4.88/36
MLS Number	11459033
Category	Differentials, Rear
Last Updated	9/30/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Eaton DS402 Front Differential for a 1996 Peterbilt 378

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(Used) 1996 Peterbilt 378, COMPLETE FRONT REAR TANDEM- Part Number: 03-06567-2C0000390, Serial Number: H952996866, Make: Eaton, Model: DS402, Ratio: 3.90, Capacity: 19,000 Lbs, Hub Bolts: 10...

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Part Number	03-06567-2C0000390
Stock Number	P-112341
MLS Number	13867903
Category	Differentials, Front
Last Updated	10/1/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Eaton RS402 Rear Differential

$1,295 USD

REBUILT RS402 4.33. 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE, Axle Spline Count: 41, Serial#: 62528, Ratio: 4.33

Condition	Remanufactured
Rear End	4.33 ratio
Part Number	62528
Stock Number	62528
MLS Number	14632806
Category	Differentials, Rear
Last Updated	9/30/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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1996 Eaton 815236 Spindle

$350 USD

SPINDLE NEEDS TO BE PULLED FROM AXEL

Condition	Used
Fits To Make(s)	EATON
Fits To Model(s)	815236
Stock Number	2616159
MLS Number	14235898
Category	Spindles / Knuckles
Last Updated	9/30/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

Eaton DS402 Lock Out Fork, Part # 45859

$31.50 USD

DS 34 - 402 lock out fork

Quantity	7
Condition	New
Part Number	45859
Stock Number	45859
MLS Number	9004631
Category	Differential Misc. Parts
Last Updated	9/30/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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2010 Eaton RSP40 Rear Differential for a Peterbilt 387

$395 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	25611481
MLS Number	12709683
Category	Differentials, Rear
Last Updated	9/30/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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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	9/30/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Used Eaton 20F4 Driver Side Spindle

$1,027 USD

Used 20F4 Driver Side Spindle, Side: Driver

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	18F3
Side	Driver
Part Number	813776
Stock Number	401-21664
MLS Number	14631740
Category	Spindles / Knuckles
Last Updated	9/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Eaton 20F4 Passenger Side Spindle

$1,027 USD

Used 20F4 Passenger Side Spindle, Side: Passenger

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	18F3
Side	Passenger
Part Number	813777
Stock Number	401-21665
MLS Number	14631739
Category	Spindles / Knuckles
Last Updated	9/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Reconditioned Eaton S19-140 Air Ride Axle Housing

$2,500 USD

Reconditioned S19-140 Air Ride Axle Housing, Position: Rear

Condition	Remanufactured
Part Number	323941
Stock Number	300-27651
MLS Number	14631730
Category	Axle Housings
Last Updated	9/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Eaton RDP40 Rear Differential

$2,195 USD

REBUILT RDP40 6.17 LOCKER. 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE, Axle Spline Count: 41, Serial#: 62502, Core Charge: EXCHANGE CRITICAL CORE, Ratio: 6.17

Condition	Remanufactured
Part Number	62502
Stock Number	62502
MLS Number	14629802
Category	Differentials, Rear
Last Updated	9/29/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Front Axle Housing for a 2000 Peterbilt 379

$1,495 USD

DS404/DSP40 FRONT AXLE HOUSING, EARLY LOW AIR LEAF, DRUM BRAKE, PILOT HUBS., Hub Bolts: 10/PILOT, Suspension: EARLY LOW AIR LEAF, Brake Type: DRUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2000
Part Number	EARLY LOW AIR
Stock Number	90926-12
MLS Number	14629781
Category	Axle Housings, Front
Last Updated	10/1/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Rear Differential for a 2000 Peterbilt 379

$695 USD

USED T.O RS404 3.70 RATIO, WILL INSPECT IN OUR GEARSHOP, 90 DAY WARRANTY., Axle Spline Count: GET, Serial#: GET, Core Charge: 250.00, Ratio: 370

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2000
Part Number	GET
Stock Number	90926-4
MLS Number	14629772
Category	Differentials, Rear
Last Updated	9/29/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Front Differential for a 2000 Peterbilt 379

$1,095 USD

USED T.O DS404 3.70 RATIO, WILL INSPECT IN OUR GEARSHOP, 90 DAY WARRANTY., Axle Spline Count: GET, Serial#: GET, Core Charge: 250.00, Ratio: 370

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2000
Part Number	GET
Stock Number	90926-3
MLS Number	14629771
Category	Differentials, Front
Last Updated	9/29/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton D46-170 Front Axle Assembly for a 2016 Peterbilt 579

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2016 PETE 579 EATON E1202I STEER AXLE, 2 LEAF, ABS, DRUM BRAKE, 12000 LBS, Serial#: NA, Hub Bolts: 10, Ratio: 3.73, Brake Type: DRUM

Condition	Used
Rear End	3.73 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2016
Stock Number	3778-PETE-7
MLS Number	14629683
Category	Axle Assemblies, Front
Last Updated	9/29/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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Eaton D46-170 Rear Differential for a 2016 Peterbilt 579

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2016 PETE 579 SPICER D46-170 REAR REAR DIFF, 3.73 RATIO, WITH LOCK, ABS, DRUM BRAKE PACCAR SUSPENSION, 40000 LBS, Serial#: NA, Ratio: 3.73

Condition	Used
Rear End	3.73 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2016
Stock Number	3778-PETE-6
MLS Number	14629682
Category	Differentials, Rear
Last Updated	9/29/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

Used Eaton RS404 Ratio 3.90 Non-Locker

$395 USD

Used RS404 Ratio 3.90 Non-Locker

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RS-404
Part Number	214462
Stock Number	700-15512
MLS Number	14629261
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2005 Used Eaton R46170 Ratio 4.10 Locker

$2,500 USD

Used R46170 Ratio 4.10 Locker

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	R46-170
Will Fit Year(s)	2005
Part Number	R46-170
Stock Number	700-15523
MLS Number	14629259
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Eaton RS404 Differential Non-locker Ratio 4.33

$395 USD

Used RS404 Differential Non-locker Ratio 4.33

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RS-404
Part Number	509829
Stock Number	700-15533
MLS Number	14629257
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2021 Used Eaton S-140 Differential - Ratio 4.88 - Non-Locker

$1,850 USD

Used Eaton S-140 Differential - Ratio 4.88 - Non-Locker

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	S-140
Will Fit Year(s)	2021
Part Number	515260
Stock Number	700-15554
MLS Number	14629251
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Eaton LH Spindle

$787.75 USD

New Eaton LH Spindle, Side: Driver, ABS: Yes

Quantity	3
Condition	New
Side	Driver
Part Number	081SK144
Stock Number	401-21717
MLS Number	14629249
Category	Spindles / Knuckles
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2010 Eaton 21060S Rear Differential for a International Durastar (4300)

$375 USD

(USED) Eaton 21060S Ratio: 5.29 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	DURASTAR (4300)
Stock Number	25820247
MLS Number	13692755
Category	Differentials, Rear
Last Updated	9/27/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.