Used Eaton Rear Differentials For Sale

2016 Eaton RSP41 Rear Differential for a Peterbilt 579

$350 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	12/22/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2012 Eaton RST41 Rear Differential for a International Prostar

$495 USD

(USED) Eaton RST41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 130946

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Stock Number	25580818
MLS Number	12594673
Category	Differentials, Rear
Last Updated	12/22/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2010 Eaton 17060S Rear Differential for a International Durastar (4300)

$425 USD

(USED) Eaton 17060S Ratio: 3.55 Side Gear Splines: 39 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	DURASTAR (4300)
Stock Number	25560026
MLS Number	12516720
Category	Differentials, Rear
Last Updated	12/21/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(855) 794-___ SHOW
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Eaton RSP41 Rear Differential

$500 USD

RSP41 - 5.57 Ratio - Pullout - DIFF ONLY, HOUSING SOLD SEPARATELY

Condition	Used
Rear End	5.57 ratio
Stock Number	4537074
MLS Number	13889595
Category	Differentials, Rear
Last Updated	12/20/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2006 Eaton 19060S Rear Differential for a International Ce

$425 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	CE
Stock Number	25383583
MLS Number	12091472
Category	Differentials, Rear
Last Updated	12/20/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2015 Eaton RS404 Rear Differential for a International Lonestar

$455 USD

(USED) Eaton RS404 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 509824

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	LONESTAR
Stock Number	25386056
MLS Number	12894522
Category	Differentials, Rear
Last Updated	12/20/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(866) 828-___ SHOW
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2009 Eaton RSP40 Rear Differential for a Peterbilt 386

$699.99 USD

Eaton RSP40 Rear Rear Differential 3.55 Ratio WELLER REMAN 1429645, From 2009 Peterbilt 386 VIN 1XPHD49X69N776307

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Stock Number	147569
MLS Number	13965663
Category	Differentials, Rear
Last Updated	12/19/2025
Location	Owensboro, KY, US
Sold By	West Side Truck Parts

2013 Eaton RDH40 Rear Differential for a Kenworth T660

$1,495 USD

RDH40 3.70 LOCKER Inspected Takeout +$650 Core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines,

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T660
Stock Number	16063
MLS Number	14027815
Category	Differentials, Rear
Last Updated	12/25/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton RS402-3.70 Rear Differential

$750 USD

RS402-3.70 Core,, ring pinion damage, Yoke 1710 open, Side gear 41spline, Input 39 spline,

Condition	Used
Rear End	3.70 ratio
Stock Number	12461
MLS Number	13355858
Category	Differentials, Rear
Last Updated	12/19/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

2007 Eaton 17060S Rear Differential for a International 4300

$350 USD

(USED) Eaton 17060S Ratio: 5.29 Side Gear Splines: 39 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	4300
Stock Number	25556418
MLS Number	12510856
Category	Differentials, Rear
Last Updated	12/19/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(888) 519-___ SHOW
NUMBERCall Seller

Eaton 17060-S Rear Differential

$500 USD

Good used inspected Eaton 17060-S rear, rear differential assembly. 6.17 ratio. Good used with 90 Day Warranty

Condition	Used
Rear End	6.17 ratio
Fits To Make(s)	EATON
Fits To Model(s)	17060-S
Stock Number	BP TRS 17060-S/6.17
MLS Number	14050762
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(833) 541-___ SHOW
NUMBERCall Seller

Eaton RS402 Rear Differential for a 1990 Ford L9000

$995 USD

RS402 4.56 RATIO USED TAKEOUT ,WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 4.56

Condition	Used
Rear End	4.56 ratio
Fits To Make(s)	Ford
Fits To Model(s)	L9000
Will Fit Year(s)	1990
Stock Number	121125-2
MLS Number	14049506
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(844) 503-___ SHOW
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Eaton 22060S Rear Differential for a 2020 Kenworth K370E ELECTRIQUE

$700 USD

GOOD USED, Core Charge: 0, Ratio: 5.29

Condition	Used
Rear End	5.29 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	K370E ELECTRIQUE
Will Fit Year(s)	2020
Stock Number	2A1E57011
MLS Number	14048953
Category	Differentials, Rear
Last Updated	12/22/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

(844) 503-___ SHOW
NUMBERCall Seller

Eaton RS404 Rear Differential

$500 USD

GOOD USED, Core Charge: 0, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Stock Number	2A1E57036
MLS Number	14045242
Category	Differentials, Rear
Last Updated	12/17/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

Eaton RSP41 Rear Differential

$795 USD

RSP41 3.25 Inspected takeout +$150 core, Yoke; SPL170, Side gear; 41 Spline, Input shaft; 39 Spline

Condition	Used
Rear End	3.25 ratio
Stock Number	15390
MLS Number	13880868
Category	Differentials, Rear
Last Updated	12/17/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(844) 484-___ SHOW
NUMBERCall Seller

1995 Eaton RS404 3.90 Rear Differential for a Kenworth T300

Contact for price

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T300
Stock Number	805
MLS Number	14022589
Category	Differentials, Rear
Last Updated	1/13/2026
Location	ORLANDO, FL, US
Sold By	USA Trade & Exports Inc.

2016 Eaton RSP40 Rear Differential for a Peterbilt 579

$899 USD

RSP40 3.55 Inspected Takeout +$250 Core, Capacity: 40K, Ratio: 3.55, Yoke: 1710, Side Gear: 41 Spline, Input: 39 Spline

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	14929
MLS Number	13806984
Category	Differentials, Rear
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

2020 Eaton RSP41 Rear Differential for a Peterbilt 365

$899 USD

RSP41 3.90 Inspected Takeout +$150 Core, Yoke: SPL 170, Side Gear: 41 Spline, Input: 39 Spline, Non locker,

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	365
Stock Number	14608
MLS Number	13755073
Category	Differentials, Rear
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton RSP40-3.55 Rear Differential

$350 USD

Eaton RSP40 3.55 CORE, Non locker, Side gear: 41 Splines, Input: 39 Splines, 40K capacity

Condition	Used
Rear End	3.55 ratio
Stock Number	14570
MLS Number	13746990
Category	Differentials, Rear
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

2009 Eaton RD404 Rear Differential for a International 4400

$995 USD

RD404 6.50 LOCKER Inspected takeout. +$150 Core, Yoke; 1710, Side gear; 41 Spline, Input Shaft; 39 Spline

Condition	Used
Rear End	6.50 ratio
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	4400
Stock Number	13324
MLS Number	13598390
Category	Differentials, Rear
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

2016 Eaton R40-155DH-2.53 Rear Differential for a Kenworth T880

$2,295 USD

R40-155DH 2.53 LOCKER Inspected takeout +$1200 Core, Yoke; SPL170, Side gear; 41 Spline, Input 39 spline,

Condition	Used
Rear End	2.53 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T880
Stock Number	12825
MLS Number	13492576
Category	Differentials, Rear
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton 23105s-3.70 Rear Differential

$750 USD

23105S 3.70 Inspected takeout. + $350 core, Yoke; 1760, Side gear 39 Spline, Input 44 Spline

Condition	Used
Rear End	3.70 ratio
Stock Number	12789
MLS Number	13470772
Category	Differentials, Rear
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton RT400-4.56/6.21 Rear Differential

$895 USD

RT400 4.56/6.21 Two speed Takeout differential +$250 Core, Yoke N/A, Side gear 33 Spline, Input 29 Spline

Condition	Used
Stock Number	12588
MLS Number	13391632
Category	Differentials, Rear
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton RSP40-3.55 Rear Differential

$899 USD

RSP40 3.55 Inspected takeout +$250 core, Yoke 1710 Open, Side gears 41 Spline, Input 39 Spline

Condition	Used
Rear End	3.55 ratio
Stock Number	12565
MLS Number	13376979
Category	Differentials, Rear
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower