Eaton RSP41 Axles &amp; Differentials For Sale in United States

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Eaton RSP41 Rear Differential

$500 USD

Good used Eaton RSP41 Rear, Rear Differential Assembly. 3.25 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RSP41
Stock Number	Ryd RSP41/3.25/41
MLS Number	10204632
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2006 Eaton RSP41 Rear Differential for a Peterbilt 335

$574 USD

(USED) Eaton RSP41 Ratio: 5.29 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	335
Stock Number	25737084
MLS Number	13618453
Category	Differentials, Rear
Last Updated	12/5/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2007 Eaton RSP41 Rear Differential for a Kenworth T600

$375 USD

(USED) Eaton RSP41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25678366
MLS Number	13059005
Category	Differentials, Rear
Last Updated	8/22/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2011 Eaton RSP41 Rear Axle Housing for a Kenworth T700

$850 USD

(USED) Eaton RSP41 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400L Track Width : 73

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T700
Stock Number	25813264
MLS Number	13654459
Category	Axle Housings, Rear
Last Updated	6/19/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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#: COULD NOT VERIFY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25419517
MLS Number	12050396
Category	Differentials, Rear
Last Updated	5/18/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2007 Eaton RSP41 Rear Axle Housing for a Kenworth T600

$850 USD

(USED) Eaton RSP41 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG380 Track Width : 72 RUSTY

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25797683
MLS Number	13585993
Category	Axle Housings, Rear
Last Updated	5/17/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2015 Eaton RSP41 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP41 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: - COULD NOT VERIFY THE CAST NUMBER. ID TAG IDENTIFIED CRR. GOUGE ON LIP OF CASING. SPLINE GEARS ARE SHOWING WEAR.

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25784650
MLS Number	13541367
Category	Differentials, Rear
Last Updated	4/26/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2012 Eaton RSP41 Rear Differential for a Peterbilt 386

$350 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25727120
MLS Number	13287258
Category	Differentials, Rear
Last Updated	3/9/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2007 Eaton RSP41 Rear Differential for a Kenworth T800

$375 USD

(USED) Eaton RSP41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	25671167
MLS Number	12973928
Category	Differentials, Rear
Last Updated	3/8/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2017 Eaton RSP41 Rear Axle Housing for a Peterbilt 579

$600 USD

(USED) Eaton RSP41 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : Verify

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25419519
MLS Number	12050398
Category	Axle Housings, Rear
Last Updated	3/5/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2010 Eaton RSP41 Rear Differential for a Peterbilt 340

$574 USD

(USED) Eaton RSP41 Ratio: 4.63 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	340
Stock Number	25730326
MLS Number	13313232
Category	Differentials, Rear
Last Updated	1/6/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP41 Rear Differential

$550 USD

6 Month Warranty,RSP41,3.36,RR,SPL170,T-O,387,T18,THICK FLANGE

Condition	Used
Stock Number	R03818094
MLS Number	13092941
Category	Differentials, Rear
Last Updated	1/2/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

(833) 432-___ SHOW
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2006 Eaton RSP41 Rear Differential

$550 USD

6 Month Warranty,RSP41,3.25,RR,SPL170,T-O,T600,T18

Condition	Used
Stock Number	R04468555
MLS Number	13092938
Category	Differentials, Rear
Last Updated	1/2/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

2009 Eaton RSP41 Rear Differential for a Kenworth T660

$350 USD

(USED) Eaton RSP41 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	25547977
MLS Number	12464880
Category	Differentials, Rear
Last Updated	8/29/2024
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2016 Eaton RSP41 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP41 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 511326 Ref# HN04774394

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	HN04774394
Stock Number	25504355
MLS Number	12384612
Category	Differentials, Rear
Last Updated	8/29/2024
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2003 Eaton RSP41 Rear Axle Housing for a International 4400

$850 USD

(USED) Eaton RSP41 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: IH SPRING Track Width : 71

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	4400
Stock Number	25466809
MLS Number	12332611
Category	Axle Housings, Rear
Last Updated	8/29/2024
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2010 Eaton RSP41 Rear Differential for a Peterbilt 387

$375 USD

(USED) Eaton RSP41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	25679976
MLS Number	13059014
Category	Differentials, Rear
Last Updated	8/20/2024
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2007 Eaton RSP41 Rear Axle Housing for a Kenworth T600

$850 USD

(USED) Eaton RSP41 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : Verify

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25678367
MLS Number	13043907
Category	Axle Housings, Rear
Last Updated	8/20/2024
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2015 Eaton RSP41 Rear Axle Housing for a Kenworth T680

$850 USD

(USED) Eaton RSP41 Brake Type: AIR DISC Wheel Type: PILOT Suspension: AG380 Track Width : 73

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25633676
MLS Number	12791215
Category	Axle Housings, Rear
Last Updated	4/22/2024
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2012 Eaton RSP41 Rear Axle Housing for a Peterbilt 386

Newly Listed

$900 USD

(USED) Eaton RSP41 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE NEW LOW AIR LEAF Track Width : 73

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	26072645
MLS Number	14627195
Category	Axle Housings, Rear
Last Updated	9/26/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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Eaton RSP41 Rear Differential

Recently Updated

$795 USD

USED EATON RSP41 REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.36

Condition	Used
Rear End	3.36 ratio
Stock Number	35959
MLS Number	12814113
Category	Differentials, Rear
Last Updated	9/27/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
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2012 Eaton RSP41 Rear Differential for a Kenworth T700

Recently Updated

$795 USD

USED EATON DSP41 REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T700
Stock Number	51447
MLS Number	12817705
Category	Differentials, Rear
Last Updated	9/27/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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2011 Eaton RSP41 Rear Differential for a International Prostar

Recently Updated

$795 USD

USED EATON RSP41 REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	Prostar
Stock Number	51492
MLS Number	12817740
Category	Differentials, Rear
Last Updated	9/27/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(877) 254-___ SHOW
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2014 Eaton RSP41 Rear Differential for a Peterbilt 367

Recently Updated

$1,250 USD

GTO 100 DAY WARRANTY LOCKER

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	367
Stock Number	25496
MLS Number	11151977
Category	Differentials, Rear
Last Updated	9/26/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.