Used Eaton RS405 Axles &amp; Differentials For Sale

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2012 Eaton RS405 Rear Axle Housing for a Freightliner Cascadia 125

$850 USD

Eaton Rear Axle Housing, RS405, 10 Hole Pilot, Air Drum Brakes, Removed from 2012 Freightliner FAS II Airliner Suspension, HOUSING ONLY, DIFF SOLD SEPARATELY

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 125
Stock Number	1674-6
MLS Number	13894596
Category	Axle Housings, Rear
Last Updated	2/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RS405 Rear Differential

$600 USD

Good used Eaton DS405 Rear, Rear Differential Assembly. 3.90 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS405
Stock Number	Ryd RS405/3.90/41
MLS Number	10204591
Category	Differentials, Rear
Last Updated	1/30/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2001 Eaton RS405 Rear Differential for a Mack CH

$425 USD

(USED) Eaton RS405 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CH
Stock Number	25375729
MLS Number	12039648
Category	Differentials, Rear
Last Updated	1/29/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2007 Eaton RS405 Rear Differential for a International 7600

$425 USD

(USED) Eaton RS405 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	7600
Stock Number	25676244
MLS Number	13013722
Category	Differentials, Rear
Last Updated	1/29/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2000 Eaton RS405 Rear Differential for a Mack CX

$425 USD

(USED) Eaton RS405 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CX
Stock Number	25789208
MLS Number	13558688
Category	Differentials, Rear
Last Updated	1/29/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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Eaton RS405 Rear Axle Housing

$1,500 USD

OEM 320598

Condition	Used
Stock Number	1297
MLS Number	10891917
Category	Axle Housings, Rear
Last Updated	1/13/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

Eaton RS405 Rear Differential

$500 USD

Good used Eaton RS405 rear, rear differential assembly. 2.64 ratio 90 day guarantee for swap or refund

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS405
Stock Number	Ryd RS405/2.64/41
MLS Number	12303040
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS405 Rear Differential

$500 USD

Good used Eaton RS405 Rear, Rear Differential Assembly. 3.70 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS405
Stock Number	Ryd RS405/3.70/41
MLS Number	10204630
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2009 Eaton RS405 Rear Differential for a Freightliner Cascadia

$375 USD

(USED) Eaton RS405 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: -

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25379558
MLS Number	12699005
Category	Differentials, Rear
Last Updated	10/8/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2006 Eaton RS405 Rear Differential for a Mack CXN613

$795 USD

USED EATON RS405 REAR REAR DIFFERENTIAL/3.90 RATIO

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	MACK
Fits To Model(s)	CXN613
Stock Number	73893
MLS Number	12828240
Category	Differentials, Rear
Last Updated	9/30/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

Eaton RS405 Rear Differential

$795 USD

USED EATON RS405 (REAR) REAR DIFFERENTIAL, RATIO 3.55. THE PRICE IS FOR THE DIFFERENTIAL ONLY BUT WE HAVE HOUSINGS AVAILABLE IF NEEDED.

Condition	Used
Rear End	3.55 ratio
Stock Number	96518
MLS Number	13071930
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

Eaton RS405 Rear Differential

$795 USD

USED EATON RS405 (REAR) REAR DIFFERENTIAL, RATIO 3.90. THE PRICE IS FOR THE DIFFERENTIAL ONLY BUT WE HAVE HOUSINGS AVAILABLE IF NEEDED.

Condition	Used
Rear End	3.90 ratio
Stock Number	96468
MLS Number	13068608
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2012 Eaton RS405 Rear Differential for a Mack CXU613

$795 USD

USED EATON RS405 REAR REAR DIFERENTIAL/3.55 RATIO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	MACK
Fits To Model(s)	CXU613
Stock Number	86687
MLS Number	12832995
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2006 Eaton RS405 Rear Differential for a Peterbilt 379

$795 USD

USED EATON RS405 REAR REAR DIFFERENTIAL/3.25 RATIO

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	379
Stock Number	71904
MLS Number	12827201
Category	Differentials, Rear
Last Updated	8/15/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2007 Eaton RS405 Rear Axle Housing for a International 9400

$850 USD

(USED) Eaton RS405 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: IROS Track Width : 71

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9400
Stock Number	25828338
MLS Number	13708914
Category	Axle Housings, Rear
Last Updated	8/9/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

Eaton RS405 Rear Differential

$600 USD

Good used Eaton RS405 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)	RS405
Stock Number	Ryd RS405/3.25/41
MLS Number	13162507
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(844) 402-___ SHOW
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Eaton RS405 Rear Differential for a 1998 Isuzu FTR

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(Used) 1998 Isuzu FTR, DIFFERENTIAL GEARS ONLY- Part Number: 127600, Serial Number: TBD, Make: Eaton, Model: RS405, Ratio: 3.55, Capacity: 19,000 Lbs, For more information about this item,...

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Isuzu
Fits To Model(s)	FTR
Will Fit Year(s)	1998
Part Number	127600
Stock Number	P-106548
MLS Number	13686557
Category	Differentials, Rear
Last Updated	7/6/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 402-___ SHOW
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Eaton RS405 Rear Axle Housing for a 1998 Isuzu FTR

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(Used) 1998 Isuzu FTR, DIFFERENTIAL HOUSING ONLY- Part Number: 127600, Serial Number: TBD, Make: Eaton, Model: RS405, Ratio: 3.55, Capacity: 19,000 Lbs, Suspension: Leaf Springs, For more...

Condition	Used
Fits To Make(s)	Isuzu
Fits To Model(s)	FTR
Will Fit Year(s)	1998
Part Number	127600
Stock Number	P-106547
MLS Number	13686556
Category	Axle Housings, Rear
Last Updated	8/31/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 402-___ SHOW
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Eaton RS405 Rear Axle Assembly for a 1998 Isuzu FTR

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(Used) 1998 Isuzu FTR, COMPLETE REAR DIFFERENTIAL- Part Number: 127600, Serial Number: TBD, Make: Eaton, Model: RS405, Ratio: 3.55, Capacity: 19,000 Lbs, Hub Bolts: 10, Brake Type: Disc, ...

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Isuzu
Fits To Model(s)	FTR
Will Fit Year(s)	1998
Part Number	127600
Stock Number	P-106546
MLS Number	13686555
Category	Axle Assemblies, Rear
Last Updated	7/6/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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Eaton RS405 Rear Differential for a 1998 Kenworth T800

$1,195 USD

RS405 4.11 LOCKER GOOD INSPECTED TAKEOUT 90 DAY WARRANTY, Axle Spline Count: 41, Ratio: 4.11

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	1998
Part Number	RS405 LOCKER
Stock Number	32525-4
MLS Number	13491573
Category	Differentials, Rear
Last Updated	7/4/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2009 Eaton RS405 Rear Differential for a International Transtar (8600)

$375 USD

(USED) Eaton RS405 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	TRANSTAR (8600)
Stock Number	25766308
MLS Number	13445994
Category	Differentials, Rear
Last Updated	6/26/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(833) 541-___ SHOW
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Eaton RS405 Rear Axle Housing for a 2001 Peterbilt 357

$1,250 USD

USED REAR AXLE HOUSING, REYCO SPRING SUSPENSION, RS405, Hub Bolts: 10 PILOT, Suspension: REYCO SPRING, Brake Type: DRUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	357
Will Fit Year(s)	2001
Stock Number	10625-6
MLS Number	13326265
Category	Axle Housings, Rear
Last Updated	6/3/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2007 Eaton RS405 Rear Differential for a International 9200

$400 USD

(USED) Eaton RS405 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 509825

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9200
Stock Number	25789517
MLS Number	13551898
Category	Differentials, Rear
Last Updated	5/15/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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Eaton RS405 Rear Axle Housing for a 1999 Mack CH613

$1,095 USD

GOOD USED EATON RS405 AXLE HOUSING OFF HENDRICKSON AIR SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: HENDRICKSON AIR

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CH613
Will Fit Year(s)	1999
Stock Number	100719-16
MLS Number	9930168
Category	Axle Housings, Rear
Last Updated	9/30/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts