Eaton RSP40 Rear Differentials For Sale by Dealerships

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Eaton RSP40 Rear Differential

$300 USD

RSP40 - 3.25 Ratio - Core - Grade C - Rebuildable - Pinion Threads Bad. CORE UNIT SOLD AS-IS

Condition	Used
Rear End	3.25 ratio
Stock Number	4538060
MLS Number	13890531
Category	Differentials, Rear
Last Updated	12/11/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton RSP40 Rear Differential

$200 USD

RSP40 - 3.42 Ratio - Core - Grade D - Gear Set Damaged Due To Lack Of Oil Or Wrong Oil. P/N RSP40342EX, CORE UNIT SOLD AS-IS

Condition	Used
Rear End	3.42 ratio
Stock Number	4536441
MLS Number	13888900
Category	Differentials, Rear
Last Updated	12/11/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2005 Eaton RSP40 Rear Differential for a Kenworth T600

$350 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25808327
MLS Number	13631850
Category	Differentials, Rear
Last Updated	12/10/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2016 Eaton RSP40 Rear Differential for a Peterbilt 579

$415 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: Na

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25670062
MLS Number	13013476
Category	Differentials, Rear
Last Updated	12/5/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2014 Eaton RSP40 Rear Differential for a Peterbilt 579

$415 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25801519
MLS Number	13605906
Category	Differentials, Rear
Last Updated	12/5/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(866) 314-___ SHOW
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Eaton RSP40 Rear Differential

$550 USD

3.90,

Condition	Used
Stock Number	REAR-2237
MLS Number	13998064
Category	Differentials, Rear
Last Updated	11/22/2025
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

Eaton RSP40 Rear Differential for a 2003 Peterbilt 379

$550 USD

RSP40 3.55 WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Axle Spline Count: 41, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2003
Part Number	RSP40
Stock Number	31825-4
MLS Number	13460979
Category	Differentials, Rear
Last Updated	11/20/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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2004 Eaton RSP40 Rear Differential for a Peterbilt 379

$899 USD

Eaton RSP40 3.36 Inspected Takeout +$250 Core, Capacity: 40K, Ratio: 3.36, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	379
Stock Number	15369
MLS Number	13876411
Category	Differentials, Rear
Last Updated	11/14/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton RSP40 Rear Differential

$495 USD

INSPECTED TAKE OUT RSP40 5.57. 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 131812, Core Charge: EXCHANGE, Ratio: 557

Condition	Used
Part Number	62163
Stock Number	62163
MLS Number	13983377
Category	Differentials, Rear
Last Updated	11/14/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP40 Rear Differential

$1,995 USD

REBUILT RSP40 3.55 . 112 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62162, Core Charge: EXCHANGE, Ratio: 3.55

Condition	Remanufactured
Part Number	62162
Stock Number	62162
MLS Number	13983367
Category	Differentials, Rear
Last Updated	11/14/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2012 Eaton RSP40 Rear Differential for a Peterbilt 386

$574 USD

(USED) Eaton RSP40 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	25730898
MLS Number	13296351
Category	Differentials, Rear
Last Updated	11/15/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2019 Eaton RSP40 Rear Differential for a Peterbilt 579

$375 USD

(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# N/A

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	N/A
Stock Number	25781167
MLS Number	13543451
Category	Differentials, Rear
Last Updated	11/7/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(866) 828-___ SHOW
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2014 Eaton RSP40 Rear Differential for a Kenworth T680

$699.99 USD

Eaton RSP40 Rear Rear Differential 3.36 Ratio, From 2014 Kenworth T680 VIN 1XKYDP9X9EJ364696

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	146902
MLS Number	13662683
Category	Differentials, Rear
Last Updated	10/25/2025
Location	Owensboro, KY, US
Sold By	West Side Truck Parts

Eaton RSP40 Rear Differential

$1,295 USD

REBUILT RSP40 .4.11 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62129, Core Charge: EXCHANGE, Ratio: 4.11

Condition	Remanufactured
Part Number	62129
Stock Number	62129
MLS Number	13910048
Category	Differentials, Rear
Last Updated	10/21/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton RSP40 Rear Differential

$1,295 USD

REBUILT RSP40 3.70 . 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62127, Core Charge: EXCHANGE, Ratio: 3.70

Condition	Remanufactured
Part Number	62127
Stock Number	62127
MLS Number	13910027
Category	Differentials, Rear
Last Updated	10/21/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2008 Eaton RSP40 Rear Differential for a Mack Cxu

$375 USD

(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 Cast#: 130946 RUST FORMING ON CRR CASING, SURFACE RUST ON RING GEAR COLLAR AND PINION GEAR.

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CXU
Stock Number	25786793
MLS Number	13538936
Category	Differentials, Rear
Last Updated	10/22/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

Eaton RSP40 Rear Differential

$1,295 USD

RSP40 3.70 41 SPL.S.G. EXTENED WARRANTY AVAILABLE 12 MONTH PARTS AND LABOR, Axle Spline Count: 41, Core Charge: EXCHANGE CRITICAL CORE, Ratio: 3.70, Casting#: 131812

Condition	Remanufactured
Rear End	3.70 ratio
Part Number	62126
Stock Number	62126
MLS Number	13907066
Category	Differentials, Rear
Last Updated	10/18/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential

$500 USD

RSP40 3.55 Rebuildable core, Yoke; N/A, Side gear; 41 Spline, Input shaft; 39 Spline.

Condition	Used
Rear End	3.55 ratio
Stock Number	15392
MLS Number	13880872
Category	Differentials, Rear
Last Updated	10/11/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

Eaton RSP40 Rear Differential for a 2011 Volvo VNL64T

$700 USD

GOOD USED, Core Charge: 0, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL64T
Will Fit Year(s)	2011
Stock Number	2A2E56628
MLS Number	13876338
Category	Differentials, Rear
Last Updated	10/12/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

Eaton RSP40 Rear Differential for a 2012 Peterbilt 386

$1,300 USD

GOOD USED, Core Charge: 300, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Will Fit Year(s)	2012
Stock Number	2A2E56764
MLS Number	13852165
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

Eaton RSP40 Rear Differential for a 2012 Peterbilt 386

$1,300 USD

GOOD USED, Core Charge: 300, Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Will Fit Year(s)	2012
Stock Number	2A2E56763
MLS Number	13852164
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

Eaton RSP40 Rear Differential for a 2012 Peterbilt 386

$1,300 USD

GOOD USED, Core Charge: 300, Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Will Fit Year(s)	2012
Stock Number	2A2E56762
MLS Number	13852163
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

Eaton RSP40 Rear Differential for a 2012 Peterbilt 386

$1,300 USD

GOOD USED, Core Charge: 300, Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Will Fit Year(s)	2012
Stock Number	2A2E56761
MLS Number	13852162
Category	Differentials, Rear
Last Updated	12/18/2025
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

Eaton RSP40 Rear Differential for a 2005 Peterbilt 379

$795 USD

GOOD USED INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Serial#: NA, Core Charge: 250.00, Ratio: 3.36, Casting#: NA

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2005
Stock Number	90825-4
MLS Number	13847136
Category	Differentials, Rear
Last Updated	9/25/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts