Used Eaton Rear Differentials For Sale in United States

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Eaton RS402 Rear Differential for a 1993 Freightliner FLD120

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(Used) 1993 Freightliner FLD120, REAR DIFFERENTIAL GEARS ONLY- Part Number: S11-15310-390, Serial Number: H912527854, Make: Eaton, Model: RS402, Ratio: 3.90, Capacity: 20,000 Lbs, Reference...

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD120
Will Fit Year(s)	1993
Part Number	S11-15310-390
Stock Number	P-511713
MLS Number	14557351
Category	Differentials, Rear
Last Updated	8/21/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2014 Eaton RSP40 Rear Differential for a Kenworth T680

Recently Updated

$375 USD

(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# N/A

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Part Number	N/A
Stock Number	25779922
MLS Number	13543453
Category	Differentials, Rear
Last Updated	8/21/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

Eaton RS404 Rear Differential for a Unmarked N/A

Recently Updated

$500 USD

RS404 - 4.11 Ratio - Pullout - Grade A - Unit In Good Condition. P/N 0595061, (213640)

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	Unmarked
Fits To Model(s)	N/A
Stock Number	4539412
MLS Number	13893113
Category	Differentials, Rear
Last Updated	8/20/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2015 Eaton RSP40 Rear Differential for a Kenworth T680

Recently Updated

$415 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 515327

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25743572
MLS Number	13446082
Category	Differentials, Rear
Last Updated	8/20/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2013 Eaton RSP40 Rear Differential for a Peterbilt 384

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RSP40 - Rear Rear - 4.11 Ratio - used - Grade C - rebuildable - DIFF ONLY. p/n 511332, Bad gear set, missing ring gear bolts, ring gear teeth are chipped, case looks good.

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	384
Stock Number	4424-3
MLS Number	14305904
Category	Differentials, Rear
Last Updated	8/19/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(833) 614-___ SHOW
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1993 Eaton TOPKICK Rear Differential for a GMC TOPKICK

Recently Updated

$750 USD

Complete Rear Diff/Third Member 6.85 Gear Ratio, Good Condition, Call DTI Trucks for more information and a shipping quote.

Condition	Used
Fits To Make(s)	GMC
Fits To Model(s)	TOPKICK
Stock Number	82123
MLS Number	14370088
Category	Differentials, Rear
Last Updated	8/19/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Truck Parts

2012 Eaton RSP40 Rear Differential for a Freightliner Cascadia 125

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Eaton RSP40- Rear Rear - 3.42 Ratio - Pullout - DIFF ONLY. P/N- 515354, S/N- HN04476282

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 125
Stock Number	4508-3
MLS Number	14445088
Category	Differentials, Rear
Last Updated	8/18/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2005 Eaton 21060S Rear Differential for a International 4300

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21060S, 4.33 Ratio, PULLOUT

Condition	Used
Rear End	4.33 ratio
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	4300
Stock Number	4235-3
MLS Number	14544338
Category	Differentials, Rear
Last Updated	8/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2016 Eaton RSP41 Rear Differential for a Peterbilt 579

$395 USD

(USED) Eaton RSP41 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25540335
MLS Number	12450653
Category	Differentials, Rear
Last Updated	8/14/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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Eaton RS404 Rear Differential

$800 USD

#5. RS404. Hub to Hub. Ratio: 3.58. Used, Core Charge: 100.00, Ratio: 3.58

Condition	Used
Rear End	3.58 ratio
Stock Number	168894
MLS Number	12214006
Category	Differentials, Rear
Last Updated	8/20/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

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Eaton RS405 Rear Differential

$1,250 USD

Ratio 4.11 Reman, Core Charge: 0.00, Ratio: 4.11

Condition	Used
Rear End	4.11 ratio
Stock Number	144839
MLS Number	11614268
Category	Differentials, Rear
Last Updated	8/20/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

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Eaton RS402 Rear Differential for a 1996 Peterbilt 378

$899.98 USD

(Used) 1996 Peterbilt 378, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: 03-06569-2A0000390, Serial Number: H952996403, Make: Eaton, Model: RS402, Ratio: 3.90, Capacity: 19,000 Lbs,...

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Part Number	03-06569-2A0000390
Stock Number	P-112352
MLS Number	13867913
Category	Differentials, Rear
Last Updated	8/12/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2003 Eaton 19060S Rear Differential for a International 4200

$425 USD

(USED) Eaton 19060S Ratio: 4.88 Side Gear Splines: 39 W/ Locker: NO Cast#: 129351

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	4200
Stock Number	25558289
MLS Number	12672454
Category	Differentials, Rear
Last Updated	8/9/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2003 Eaton RS404 Rear Differential for a International 8600

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8600
Stock Number	25653008
MLS Number	12890725
Category	Differentials, Rear
Last Updated	8/12/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2012 Eaton RS404 Rear Differential for a Freightliner Cascadia

$585 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: -

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25406685
MLS Number	12642186
Category	Differentials, Rear
Last Updated	8/8/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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Eaton DD463P Rear Differential for a 2001 Kenworth T800

$1,995 USD

DC463P LOCKER 4.11 RATIO, WILL INSPECT IN OUR GEARSHOP, 90 DAY WARRANTY., Ratio: 411

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2001
Stock Number	72526-3
MLS Number	14529838
Category	Differentials, Rear
Last Updated	8/7/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP41 Rear Differential

$495 USD

INSPECTED TAKEOUT RSP41 4.88 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE, Axle Spline Count: 41, Serial#: 62181, Core Charge: EXCHANGE, Ratio: 4.88

Condition	Used
Rear End	4.88 ratio
Part Number	62181
Stock Number	62181
MLS Number	14134177
Category	Differentials, Rear
Last Updated	8/8/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2019 Eaton 17060S Rear Differential for a International MV607

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17060S- Rear Diff - Ratio 5.29 - Pullout - DIFF ONLY. S/N- HN07755722

Condition	Used
Rear End	5.29 ratio
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	MV607
Stock Number	4452-3
MLS Number	14413698
Category	Differentials, Rear
Last Updated	8/7/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(833) 359-___ SHOW
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2007 Eaton RSP40 Rear Differential for a Peterbilt 386

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL/3.36 RATIO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Stock Number	90192
MLS Number	12835162
Category	Differentials, Rear
Last Updated	8/6/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(888) 519-___ SHOW
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Eaton RS404 Rear Differential

$500 USD

Good used Eaton DS404 Rear, Rear Differential Assembly. 3.70 Ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	3.70 ratio
Stock Number	Ryd RS404/3.70/41
MLS Number	10295744
Category	Differentials, Rear
Last Updated	8/6/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Eaton RS402 Rear Differential

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USED, RS402, Turns, Ratio: 3.36,, Core Charge: 0.00, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Stock Number	176953
MLS Number	14018231
Category	Differentials, Rear
Last Updated	8/20/2026
Location	Louisville, KY, US
Sold By	River City Truck Parts

Eaton 16244 Rear Differential

$350 USD

16244 - 6.57 Ratio - Core - Grade C - Rebuildable - Shift Collar Broken, Nest Broken, Pitting On Ring Pinion Gears. CORE UNIT SOLD AS-IS.

Condition	Used
Rear End	6.57 ratio
Stock Number	4541048
MLS Number	13896582
Category	Differentials, Rear
Last Updated	8/4/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1985 Eaton 16244 Rear Differential for a International 1654

$350 USD

16244 - 5.57 Ratio - Core - Grade D- Damaged Side Gear And Pinion Nest, CORE UNIT SOLD AS-IS

Condition	Used
Rear End	5.57 ratio
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	1654
Stock Number	572-1
MLS Number	13886434
Category	Differentials, Rear
Last Updated	8/4/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton RS404 Rear Differential for a 2003 Peterbilt 379

$795 USD

RS404 3.55 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250.00, Ratio: 3.55

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2003
Part Number	RSP40 RSP41 RS404
Stock Number	122124-3
MLS Number	13315630
Category	Differentials, Rear
Last Updated	8/5/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts