Used Eaton RSP41 Axles & Differentials For Sale

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Eaton

Model
RSP41

Condition
Used

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126 - 150 of 177 listings

2006 Eaton RSP41 Rear Differential for a Peterbilt 379

2005 Eaton RSP41 Rear Differential for a Peterbilt 387

2006 Eaton RSP41 Rear Differential for a Kenworth T2000

2012 Eaton RSP41 Rear Differential for a Kenworth T660

$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)	T660
Stock Number	25977374
MLS Number	14327430
Category	Differentials, Rear
Last Updated	8/30/2026
Location	Kansas City, MO, 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	8/30/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP41 Rear Axle Housing for a Peterbilt 579

$850 USD

(USED) Eaton RSP41 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : 73 SOME RUST ON TOP OF HOUSING

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25984312
MLS Number	14332121
Category	Axle Housings, Rear
Last Updated	8/30/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP41 Rear Axle Housing for a Peterbilt 386

$850 USD

Eaton Rear Axle Housing, RSP41, 10 Hole Pilot, Air Drum Brakes, ABS. Removed From Flex Air 40k Tandem Suspension. HOUSING ONLY, DIFF SOLD SEPARATELY.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Stock Number	4203-24
MLS Number	14566991
Category	Axle Housings, Rear
Last Updated	9/1/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2015 Eaton RSP41 Rear Differential for a Peterbilt 579

$415 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	26052862
MLS Number	14558540
Category	Differentials, Rear
Last Updated	8/28/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2018 Eaton RSP41 Rear Axle Housing for a Peterbilt 348

$850 USD

(USED) Eaton RSP41 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE AIR TRACK

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	348
Stock Number	26031556
MLS Number	14477477
Category	Axle Housings, Rear
Last Updated	8/19/2026
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	8/12/2026
Location	Spencer, 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	8/12/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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Eaton RSP41 Axle Shaft

$150 USD

Eaton RSP41 Axle Shaft, P/N 127438

Condition	Used
Stock Number	27185
MLS Number	13969244
Category	Axle Shafts
Last Updated	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton RSP41 Axle Shaft

$150 USD

Eaton RSP41 Axle Shaft, P/N 127437

Condition	Used
Stock Number	27184
MLS Number	13969243
Category	Axle Shafts
Last Updated	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2012 Eaton RSP41 Axle Shaft for a Kenworth T800

$150 USD

Eaton RSP41 Axle Shaft, P/N 127437

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T800
Stock Number	ARB-G137747-19
MLS Number	13969181
Category	Axle Shafts
Last Updated	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2012 Eaton RSP41 Axle Shaft for a Kenworth T800

$150 USD

Eaton RSP41 Axle Shaft, P/N 127438

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T800
Stock Number	ARB-G137747-18
MLS Number	13969180
Category	Axle Shafts
Last Updated	8/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2018 Eaton RSP41 Rear Differential for a Peterbilt 348

$574 USD

(USED) Eaton RSP41 Ratio: 5.29 Side Gear Splines: 41 W/ Locker: NO Cast#: 511336

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	348
Stock Number	26031554
MLS Number	14502054
Category	Differentials, Rear
Last Updated	7/23/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2015 Eaton RSP41 Rear Differential for a Peterbilt 365

$574 USD

(USED) Eaton RSP41 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: 511333

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	365
Stock Number	25839567
MLS Number	13743158
Category	Differentials, Rear
Last Updated	7/23/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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Eaton RSP41 Rear Axle Housing

$850 USD

RSP41 Housing from Pete Air Leaf Suspension

Condition	Used
Stock Number	4540063
MLS Number	13895058
Category	Axle Housings, Rear
Last Updated	5/19/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton RSP41 Rear Differential

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RSP41 Ratio:4.88, Ratio: 4.88

Condition	Used
Rear End	4.88 ratio
Stock Number	ATC1756
MLS Number	11344754
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

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Eaton RSP41 Rear Differential

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RSP41 3.25, Ratio: 3.25

Condition	Used
Rear End	3.25 ratio
Stock Number	ATC1657
MLS Number	11316544
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

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Eaton RSP41 Rear Differential

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RSP41 3.42 (7), Ratio: 3.42

Condition	Used
Rear End	3.42 ratio
Stock Number	ATC297
MLS Number	9404702
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

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Eaton RSP41 Rear Differential for a 2008 Peterbilt 387

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ABS, Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Will Fit Year(s)	2008
Stock Number	782312-5
MLS Number	9391273
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

(855) 980-___ SHOW
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Eaton RSP41 Rear Differential

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., Ratio: 355

Condition	Used
Rear End	3.55 ratio
Stock Number	853
MLS Number	9390507
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Eaton RSP41 Rear Differential for a 2007 Mack CX 613

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3.90 RATIO, NO LOCKS, 40,000LBS, (RS402), Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Mack
Fits To Model(s)	CX 613
Will Fit Year(s)	2007
Stock Number	3132-MACK-3
MLS Number	13342867
Category	Differentials, Rear
Last Updated	6/13/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

(855) 624-___ SHOW
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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.