Eaton RSP41 Rear Differentials For Sale

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Differentials, Rear

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Eaton

Model
RSP41

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Eaton RSP41 Rear Differential for a 2014 Kenworth T680

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3.36 RATIO,, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Will Fit Year(s)	2014
Stock Number	3090-KW-3
MLS Number	13342731
Category	Differentials, Rear
Last Updated	5/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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Eaton RSP41 Rear Differential for a 2003 Peterbilt 379EXHD

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NO LOCKS, 40,000LBS 3.90 RATIO, Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379EXHD
Will Fit Year(s)	2003
Stock Number	2562-PETE-5
MLS Number	13338921
Category	Differentials, Rear
Last Updated	6/12/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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Eaton RSP41 Rear Differential for a 2009 Kenworth T800

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40,000 LBS RSP 41 REAR 3.70 RATIO NO LOCK, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2009
Stock Number	2376-KW-9
MLS Number	13338501
Category	Differentials, Rear
Last Updated	6/12/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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Eaton RSP41 Rear Differential for a 2004 Peterbilt 379

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NO LOCKS, 40,000LBS 3.70 RATIO, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2004
Stock Number	2254-PETE-4
MLS Number	13338441
Category	Differentials, Rear
Last Updated	6/12/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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2011 Eaton RSP41 Rear Differential for a Peterbilt 386

$350 USD

(USED) Eaton RSP41 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25823442
MLS Number	13860859
Category	Differentials, Rear
Last Updated	4/30/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2002 Eaton RSP41 Rear Differential for a Peterbilt 378

$350 USD

(USED) Eaton RSP41 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 129543 Ref# N/A

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Part Number	N/A
Stock Number	25979133
MLS Number	14327398
Category	Differentials, Rear
Last Updated	4/23/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP41 Rear Differential for a Kenworth T880

$395 USD

(USED) Eaton RSP41 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T880
Stock Number	25969933
MLS Number	14317030
Category	Differentials, Rear
Last Updated	4/17/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP41 Rear Differential for a Freightliner Cascadia

$415 USD

(USED) Eaton RSP41 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 130946

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Stock Number	25967870
MLS Number	14301524
Category	Differentials, Rear
Last Updated	4/10/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2012 Eaton RSP41 Rear Differential for a Peterbilt 365

$574 USD

(USED) Eaton RSP41 Ratio: 4.88 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	365
Stock Number	25960832
MLS Number	14272432
Category	Differentials, Rear
Last Updated	4/2/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2017 Eaton RSP41 Rear Differential for a Peterbilt 579

$574 USD

(USED) Eaton RSP41 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: NO Cast#: -

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25967226
MLS Number	14267982
Category	Differentials, Rear
Last Updated	3/28/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2009 Eaton RSP41 Rear Differential for a Peterbilt 387

$375 USD

(USED) Eaton RSP41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 511328

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	25378790
MLS Number	14254173
Category	Differentials, Rear
Last Updated	3/19/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2009 Eaton RSP41 Rear Differential for a Peterbilt 388

$495 USD

(USED) Eaton RSP41 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 511331 Ref# 511331

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	388
Part Number	511331
Stock Number	25960844
MLS Number	14242048
Category	Differentials, Rear
Last Updated	3/18/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP41 Rear Differential for a Kenworth T600

$415 USD

(USED) Eaton RSP41 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	25938591
MLS Number	14194769
Category	Differentials, Rear
Last Updated	3/8/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2014 Eaton RSP41 Rear Differential for a Kenworth T370

$574 USD

(USED) Eaton RSP41 Ratio: 4.63 Side Gear Splines: 41 W/ Locker: NO Cast#: HN04168329 Ref# 511334

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T370
Part Number	511334
Stock Number	25910129
MLS Number	14029910
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP41 Rear Differential for a Peterbilt 386

$350 USD

(USED) Eaton RSP41 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25825178
MLS Number	13880665
Category	Differentials, Rear
Last Updated	2/11/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP41 Rear Differential for a Peterbilt 386

$350 USD

(USED) Eaton RSP41 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25828097
MLS Number	13906909
Category	Differentials, Rear
Last Updated	2/11/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP41 Rear Differential for a Kenworth T680

$415 USD

(USED) Eaton RSP41 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: -

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25925056
MLS Number	14100932
Category	Differentials, Rear
Last Updated	2/11/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2017 Eaton RSP41 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP41 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25871754
MLS Number	13860785
Category	Differentials, Rear
Last Updated	11/26/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2011 Eaton RSP41 Rear Differential for a Kenworth T800

$350 USD

(USED) Eaton RSP41 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	25872325
MLS Number	13860758
Category	Differentials, Rear
Last Updated	11/21/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP41 Rear Differential for a Kenworth T660

$750 USD

GTO

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T660
Stock Number	26745
MLS Number	12098597
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2014 Eaton RSP41 Rear Differential for a Peterbilt 386

$395 USD

(USED) Eaton RSP41 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 515354

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Part Number	515354
Stock Number	25884945
MLS Number	13927639
Category	Differentials, Rear
Last Updated	11/6/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2011 Eaton RSP41 Rear Differential for a Peterbilt 386

$350 USD

(USED) Eaton RSP41 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25822790
MLS Number	13735572
Category	Differentials, Rear
Last Updated	9/6/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2015 Eaton RSP41 Rear Differential for a Kenworth T680

$750 USD

RSP 410 REARS 3.25

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	28165
MLS Number	13759159
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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2023 Eaton RSP41 Rear Differential for a Peterbilt 579

$795 USD

USED EATON RSP41 (REAR) REAR DIFFERENTIAL, RATIO 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	98650
MLS Number	13344824
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
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Eaton RSP41 Rear Differential

$795 USD

USED EATON REAR DIFFERENTIAL RSP41 RATIO 3.70

Condition	Used
Rear End	3.70 ratio
Stock Number	70580
MLS Number	12826500
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.