Eaton RSP41 Axles &amp; Differentials For Sale

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Eaton RSP41 Rear Axle Housing for a Kenworth OTHER

$1,350 USD

Refurbished Eaton Rear Axle Housing, RSP41, w/ Torque Rod Bracket, 16 Hole Flange, P/N 321502, 10047004. Removed from AG400 Suspension,

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	OTHER
Stock Number	4539394-REF
MLS Number	13893085
Category	Axle Housings, Rear
Last Updated	5/19/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP41 Rear Differential for a 2009 Kenworth T300

$795 USD

RSP41 4.88 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250.00, Ratio: 4.88

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T300
Will Fit Year(s)	2009
Part Number	RSP41
Stock Number	32224-2
MLS Number	12741599
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Differential for a 2018 Peterbilt 579

$595 USD

RSP41 3.25 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.25

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2018
Stock Number	122523-4
MLS Number	12553174
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Differential for a 2016 Kenworth T660

$695 USD

RSP41 3.25 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 3.25

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Will Fit Year(s)	2016
Stock Number	100523-16
MLS Number	12368050
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Differential for a 2014 Kenworth T800

$795 USD

RSP41 3.55 GOOD INSPECTED TAKEOUT 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: NA, Ratio: 3.55

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2014
Part Number	RSP40
Stock Number	11622-3
MLS Number	11188144
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Axle Housing for a 2014 Kenworth T800

$1,495 USD

GOOD USED AXLE HOUSING/ LATE LOW AIR LEAF/ PACCAR LOW AIR. WILL FIT AG380/FLEXAIR RSP40/RS404, Serial#: NA, Core Charge: NA, Hub Bolts: 10, Suspension: PACCAR LATE LOW AIR LEAF

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2014
Part Number	PACCAR LOW AIR
Stock Number	120421-1
MLS Number	11134600
Category	Axle Housings, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Axle Housing for a 2009 Peterbilt 388

$1,295 USD

GOOD USED FLEX AIR HOUSING AG380 RSP40,RSP41, Serial#: NA, Hub Bolts: 10, Suspension: AG380 FLEX AIR, Brake Type: S CAM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	388
Will Fit Year(s)	2009
Part Number	NA
Stock Number	40221-5
MLS Number	10746616
Category	Axle Housings, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Differential for a 2005 Peterbilt 379

$695 USD

GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Ratio: 3.55, Casting#: NA

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2005
Part Number	RSP40
Stock Number	60220-8
MLS Number	10225781
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Differential for a 2005 Peterbilt 385

$450 USD

GOOD INSPECTED TAKEOUT 3.36 RSP41, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	385
Will Fit Year(s)	2005
Stock Number	12320-10
MLS Number	10059400
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Axle Housing for a 2009 Kenworth T600

$1,095 USD

GOOD USED EATON REAR RSP41 AXLE HOUSING OFF AG380 SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: AG380

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Will Fit Year(s)	2009
Stock Number	21819-1
MLS Number	9679446
Category	Axle Housings, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Differential for a 2004 International 9900I

$550 USD

GOOD INSPECTED TAKEOUT. 3.70 RATIO. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: EXCHANGE, Ratio: 3.70

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9900I
Will Fit Year(s)	2004
Stock Number	21619-23
MLS Number	9676381
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Differential for a 2011 Kenworth T660

$395 USD

GOOD INSPECTED TAKEOUT. 3.70 RATIO. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: EXCHANGE, Ratio: 3.70

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Will Fit Year(s)	2011
Stock Number	121918-12
MLS Number	9604506
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Axle Housing for a 2011 Kenworth T660

$1,095 USD

GOOD USED EATON REAR RSP41 AXLE HOUSING OFF AN AG 380 SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: AG380

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Will Fit Year(s)	2011
Stock Number	121918-3
MLS Number	9604497
Category	Axle Housings, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Axle Housing for a 2008 Peterbilt 388

$1,095 USD

GOOD USED EATON REAR RSP41 AXLE HOUSING OFF REYCO 102 SPRING SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: REYCO 102

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	388
Will Fit Year(s)	2008
Stock Number	110818-3
MLS Number	9559499
Category	Axle Housings, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Front Axle Housing for a 2006 Peterbilt 387

$995 USD

GOOD USED REAR AXLE HOUSING FOR EATON RSP41 OFF A LOW AIR LEAF SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: LOW AIR LEAF

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Will Fit Year(s)	2006
Part Number	NA/
Stock Number	21118-28
MLS Number	9356160
Category	Axle Housings, Front
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Axle Housing for a 2012 Peterbilt 587

$995 USD

GOOD USED REAR AXLE HOUSING, Serial#: N/A, Core Charge: N/A, Hub Bolts: N/A, Suspension: AIR

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	587
Will Fit Year(s)	2012
Stock Number	112117-28
MLS Number	9339009
Category	Axle Housings, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP41 Rear Differential for a 2015 Kenworth T680

$695 USD

GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.42

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Will Fit Year(s)	2015
Stock Number	90517-9
MLS Number	9210949
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP41 Rear Differential

$950 USD

Livraison partout au Canada États-Unis. We ship anywhere in Canada USA. -Stock: 30709D - Eaton Spicer RS404 - 40 000lbs, Arrière, Pas Lock, Pas Échange + 200$ - 40 000lbs, Rear, No...

Condition	Used
Rear End	4.88 ratio
Stock Number	30709D
MLS Number	12848346
Category	Differentials, Rear
Last Updated	7/10/2026
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert

(855) 370-___ SHOW
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2007 Eaton RSP41 Rear Differential for a Peterbilt 340

$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)	340
Stock Number	25731575
MLS Number	13300156
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
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2013 Eaton RSP41 Rear Axle Housing for a Kenworth T660

$850 USD

(USED) Eaton RSP41 Brake Type: AIR DISC Wheel Type: PILOT Suspension: AG400L Track Width : 72

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	25488888
MLS Number	12549123
Category	Axle Housings, Rear
Last Updated	5/4/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(844) 925-___ SHOW
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Eaton RSP41 Front Axle Housing for a 2014 Peterbilt

$1,000 USD

PETERBILT FRONT HOUSING FOR A RSP41 WITH FLEXAIR SUSP Thank you for contacting me. Please keep me in mind for future purchases. I have about 3.5 acres of heavy Trucks and Parts. We have...

Condition	Used
Fits To Make(s)	Peterbilt
Will Fit Year(s)	2014
Stock Number	203157
MLS Number	13543187
Category	Axle Housings, Front
Last Updated	5/14/2026
Location	Felda, FL, US
Sold By	Delauto Used Truck Parts

(844) 925-___ SHOW
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Eaton RSP41 Rear Axle Housing for a 2014 Peterbilt

$1,000 USD

PETERBILT 2014 REAR HOUSING FLEX AIR SUSP RSP41 Thank you for contacting me. Please keep me in mind for future purchases. I have about 3.5 acres of heavy Trucks and Parts. We have many...

Condition	Used
Fits To Make(s)	Peterbilt
Will Fit Year(s)	2014
Stock Number	203158
MLS Number	13543188
Category	Axle Housings, Rear
Last Updated	5/14/2026
Location	Felda, FL, US
Sold By	Delauto Used Truck Parts

(833) 835-___ SHOW
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Eaton RSP41 Rear Axle Assembly for a 2007 Kenworth T600

Contact for price

Spicer Eaton RSP41 Rear Rear Differential Assembly - Used - Hub to hub and housing available - Ratio: 3.36 - 40,000 lbs capacity - 21.1 max SLR - Call for more information, we ship anywhere....

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Will Fit Year(s)	2007
Stock Number	KW-0798-26
MLS Number	12232232
Category	Axle Assemblies, Rear
Last Updated	5/14/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

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Eaton RSP41 Rear Axle Assembly for a 2016 Peterbilt 579

Contact for price

Eaton RSP41 Rear Rear Differential. 2.64 ratio. Peterbilt low-air leaf suspension. Compatible with some older and newer models. It is the customer's responsibility to determine...

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2016
Part Number	HNO4615617
Stock Number	PT-0775-1
MLS Number	11997651
Category	Axle Assemblies, Rear
Last Updated	5/14/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.