Vander Haag's Inc. Eaton RSP40 Rear Differentials For Sale

Vander Haag`s Inc
3809 4th Ave W
Spencer, IA 51301-2082
United States
(855) 370-3711

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Vander Haag's Inc.

Industry
Truck Parts

Top-Category
Axles & Differentials

Category
Differentials, Rear

Manufacturer
Eaton

Model
RSP40

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2012 Eaton RSP40 Rear Differential for a Peterbilt 587

$375 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	587
Stock Number	25766485
MLS Number	13451479
Category	Differentials, Rear
Last Updated	6/22/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2014 Eaton RSP40 Rear Differential for a Kenworth T680

$360 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25786312
MLS Number	13542790
Category	Differentials, Rear
Last Updated	6/22/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2014 Eaton RSP40 Rear Differential for a Kenworth T440

$574 USD

(USED) Eaton RSP40 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: Na

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T440
Stock Number	25802180
MLS Number	13610369
Category	Differentials, Rear
Last Updated	6/21/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP40 Rear Differential for a Peterbilt 386

$375 USD

(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25799928
MLS Number	13613946
Category	Differentials, Rear
Last Updated	6/5/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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1997 Eaton RSP40 Rear Differential for a Kenworth W900L

$350 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Stock Number	25791655
MLS Number	13572803
Category	Differentials, Rear
Last Updated	5/12/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2009 Eaton RDP40 Rear Differential for a Peterbilt 387

$375 USD

(USED) Eaton RSP40 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	25312222
MLS Number	11663092
Category	Differentials, Rear
Last Updated	5/11/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2015 Eaton RSP40 Rear Differential for a Kenworth T680

$395 USD

(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: CAN NOT VERIFY MISSING TAG

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25792970
MLS Number	13565082
Category	Differentials, Rear
Last Updated	5/8/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2015 Eaton RSP40 Rear Differential for a Kenworth T680

$360 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 515327

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25743572
MLS Number	13446082
Category	Differentials, Rear
Last Updated	4/4/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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1999 Eaton RSP40 Rear Differential for a Peterbilt 379

$350 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Stock Number	25772418
MLS Number	13480720
Category	Differentials, Rear
Last Updated	4/2/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2002 Eaton RSP40 Rear Differential for a Freightliner FLD112

$495 USD

(USED) Eaton RSP40 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD112
Stock Number	25753380
MLS Number	13451486
Category	Differentials, Rear
Last Updated	3/17/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2012 Eaton RSP40 Rear Differential for a Peterbilt 386

$350 USD

(USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 511330

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25758732
MLS Number	13448051
Category	Differentials, Rear
Last Updated	3/14/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2009 Eaton RSP40 Rear Differential for a Kenworth T800

$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)	T800
Stock Number	25726189
MLS Number	13312718
Category	Differentials, Rear
Last Updated	3/8/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2019 Eaton RSP40 Rear Differential for a Peterbilt 579

$395 USD

(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: NONE

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25694565
MLS Number	13114268
Category	Differentials, Rear
Last Updated	3/5/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP40 Rear Differential for a Peterbilt 337

$574 USD

(USED) Eaton RSP40 Ratio: 4.88 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 1-2235058

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	337
Part Number	1-2235058
Stock Number	25498034
MLS Number	12338728
Category	Differentials, Rear
Last Updated	1/12/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP40 Rear Differential for a Kenworth T2000

$375 USD

(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Stock Number	25642721
MLS Number	12872053
Category	Differentials, Rear
Last Updated	1/11/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP40 Rear Differential for a Kenworth T600

$375 USD

(USED) Eaton RSP40 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	25647300
MLS Number	12872285
Category	Differentials, Rear
Last Updated	1/11/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2010 Eaton RSP40 Rear Differential for a Kenworth T800

$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)	T800
Stock Number	25725252
MLS Number	13312724
Category	Differentials, Rear
Last Updated	1/5/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP40 Rear Differential for a Kenworth T700

$360 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T700
Stock Number	25450701
MLS Number	12275732
Category	Differentials, Rear
Last Updated	12/21/2024
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2018 Eaton RSP40 Rear Differential for a Peterbilt 579

$395 USD

(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: - Ref# 515354

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	515354
Stock Number	25696057
MLS Number	13156706
Category	Differentials, Rear
Last Updated	12/14/2024
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2015 Eaton RSP40 Rear Differential for a Peterbilt 579

$375 USD

(USED) Eaton RSP40 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25705914
MLS Number	13181309
Category	Differentials, Rear
Last Updated	10/17/2024
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP40 Rear Differential for a Kenworth T600

$350 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25701963
MLS Number	13151722
Category	Differentials, Rear
Last Updated	10/3/2024
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP40 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: UI04K4 Ref# 511323

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	511323
Stock Number	25498941
MLS Number	12319481
Category	Differentials, Rear
Last Updated	8/29/2024
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

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2015 Eaton RSP40 Rear Differential for a Peterbilt 579

$360 USD

(USED) Eaton RSP40 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	25488587
MLS Number	12277241
Category	Differentials, Rear
Last Updated	8/29/2024
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP40 Rear Differential for a Peterbilt 365

$350 USD

(USED) Eaton RSP40 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: Na

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	365
Stock Number	25487924
MLS Number	12314243
Category	Differentials, Rear
Last Updated	8/29/2024
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2014 Eaton RSP40 Rear Differential for a Peterbilt 386

$360 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25423917
MLS Number	12053351
Category	Differentials, Rear
Last Updated	8/29/2024
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.