Eaton Rear Differentials For Sale

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2017 Eaton S21-170 Rear Differential for a Peterbilt 337

$1,816 USD

(USED) Eaton S21-170 Ratio: 4.78 Side Gear Splines: 41 W/ Locker: NO Cast#: 515652

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	337
Stock Number	25886468
MLS Number	13980193
Category	Differentials, Rear
Last Updated	1/9/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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1995 Eaton 22133 Rear Differential for a GMC C7500

$450 USD

(USED) Eaton 22133 Ratio: 5.57 Side Gear Splines: 41 W/ Locker: NO Cast#: A107494

Condition	Used
Fits To Make(s)	GMC
Fits To Model(s)	C7500
Stock Number	25808277
MLS Number	13735618
Category	Differentials, Rear
Last Updated	1/8/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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1995 Eaton RS404 Rear Differential for a Kenworth T600

$2,602 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25917516
MLS Number	14068793
Category	Differentials, Rear
Last Updated	1/2/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2004 Eaton RSP40 Rear Differential for a Peterbilt 387

$350 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: Could Not verify COULD NOT GET CAST NO. CASE VERY RUSTY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	25858800
MLS Number	13799230
Category	Differentials, Rear
Last Updated	12/29/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2000 Eaton RS404 Rear Differential for a Peterbilt 377

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351-5

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	377
Stock Number	25914684
MLS Number	14058427
Category	Differentials, Rear
Last Updated	12/24/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2012 Eaton P20060 Rear Differential for a Kenworth T270

$574 USD

(USED) Eaton P20060 Ratio: 5.29 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY LITTLE RUST ON THE OUTSIDE SEE PICTURES

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T270
Stock Number	25907887
MLS Number	14019732
Category	Differentials, Rear
Last Updated	12/6/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2012 Eaton RSP40 Rear Differential for a Kenworth T660

$300 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 511329

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	25841346
MLS Number	13997480
Category	Differentials, Rear
Last Updated	12/4/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP40 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 511323

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25851913
MLS Number	13789546
Category	Differentials, Rear
Last Updated	11/27/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2012 Eaton 22060S Rear Differential for a Kenworth T270

$375 USD

(USED) Eaton 22060S Ratio: 5.29 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T270
Stock Number	25862857
MLS Number	13815061
Category	Differentials, Rear
Last Updated	11/14/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2006 Eaton RS404 Rear Differential for a Freightliner Columbia 120

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 27305

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	25871698
MLS Number	13868717
Category	Differentials, Rear
Last Updated	11/14/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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1993 Eaton 19055T Rear Differential for a GMC Topkick

$1,000 USD

(USED) Eaton 19055T Ratio: 4.88 Side Gear Splines: 39 W/ Locker: NO Cast#: A107494

Condition	Used
Fits To Make(s)	GMC
Fits To Model(s)	TOPKICK
Stock Number	25860624
MLS Number	13799543
Category	Differentials, Rear
Last Updated	11/7/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2009 Eaton 19060S Rear Differential for a Ford F650

$425 USD

(USED) Eaton 19060S Ratio: 3.90 Side Gear Splines: 39 W/ Locker: NO Cast#: 127608

Condition	Used
Fits To Make(s)	Ford
Fits To Model(s)	F650
Stock Number	25862183
MLS Number	13808714
Category	Differentials, Rear
Last Updated	11/7/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2006 Eaton RSP40 Rear Differential for a Kenworth T600

$415 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25875020
MLS Number	13915509
Category	Differentials, Rear
Last Updated	11/6/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2001 Eaton RD404 Rear Differential for a International 9100

$375 USD

(USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351-C

Condition	Used
Stock Number	25839013
MLS Number	13906907
Category	Differentials, Rear
Last Updated	11/6/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2000 Eaton RS404 Rear Differential for a Peterbilt 357

$375 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	357
Stock Number	25888245
MLS Number	13954805
Category	Differentials, Rear
Last Updated	10/30/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2004 Eaton 21060S Rear Differential for a GMC C8500

$375 USD

(USED) Eaton 21060S Ratio: 4.88 Side Gear Splines: 41 W/ Locker: NO Cast#: 127698A

Condition	Used
Fits To Make(s)	GMC
Fits To Model(s)	C8500
Stock Number	25886860
MLS Number	13949137
Category	Differentials, Rear
Last Updated	10/26/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2015 Eaton RSP40 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25882514
MLS Number	13904952
Category	Differentials, Rear
Last Updated	10/17/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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1974 Eaton 34RS Rear Differential for a Ford LT900

$606 USD

(USED) Eaton 34RS Ratio: 6.50 Side Gear Splines: 16 W/ Locker: NO Cast#: 67802

Condition	Used
Fits To Make(s)	Ford
Fits To Model(s)	LT900
Stock Number	25873477
MLS Number	13896438
Category	Differentials, Rear
Last Updated	10/22/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2014 Eaton S190 Rear Differential for a Kenworth T680

$375 USD

(USED) Eaton S190 Ratio: 2.56 Side Gear Splines: 46 W/ Locker: NO Cast#: S190256EX Ref# S190256EX

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Part Number	S190256EX
Stock Number	25880766
MLS Number	13884654
Category	Differentials, Rear
Last Updated	10/15/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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1999 Eaton RS404 Rear Differential for a International 9400

$375 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9400
Stock Number	25827532
MLS Number	13772573
Category	Differentials, Rear
Last Updated	10/11/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2006 Eaton RSP40 Rear Differential for a International 7500

$574 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	7500
Stock Number	25860899
MLS Number	13802303
Category	Differentials, Rear
Last Updated	9/10/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2007 Eaton RS404 Rear Differential for a Freightliner Columbia 120

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	25843176
MLS Number	13778414
Category	Differentials, Rear
Last Updated	9/5/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2006 Eaton 19060S Rear Differential for a International 4300

$425 USD

(USED) Eaton 19060S Ratio: 5.57 Side Gear Splines: 39 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	4300
Stock Number	25858704
MLS Number	13796140
Category	Differentials, Rear
Last Updated	9/5/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP40 Rear Differential for a Peterbilt 387

$350 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	25844101
MLS Number	13785961
Category	Differentials, Rear
Last Updated	8/29/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2006 Eaton RSP40 Rear Differential for a Peterbilt 387

$350 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 511329 Ref# 511329

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Part Number	511329
Stock Number	25797004
MLS Number	13774673
Category	Differentials, Rear
Last Updated	8/22/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.