Eaton RS404 Axles &amp; Differentials For Sale

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 6.50 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	6.50 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/6.50
MLS Number	14050745
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 2.64 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	2.64 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/2.64
MLS Number	14050714
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 3.25 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	3
Condition	Remanufactured
Rear End	3.25 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/3.25
MLS Number	14050580
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differetnial assembly. 4.33 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	3
Condition	Remanufactured
Rear End	4.33 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/4.33
MLS Number	14050564
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 5.57 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	2
Condition	Remanufactured
Rear End	5.57 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/5.57
MLS Number	14050558
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 2.93. ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	2
Condition	Remanufactured
Rear End	2.93 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/2.93
MLS Number	14050549
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 4.63 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Condition	Remanufactured
Rear End	4.63 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/4.63
MLS Number	14050541
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 3.36 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	2
Condition	Remanufactured
Rear End	3.36 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/3.36
MLS Number	14050460
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 3.90 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered

Quantity	9
Condition	Remanufactured
Rear End	3.90 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/3.90
MLS Number	14050292
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS404 Rear Differential

$1,200 USD

Remanufactured Eaton RS404 rear, rear differential assembly. 3.70 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered.

Quantity	3
Condition	Remanufactured
Rear End	3.70 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	BP TRS RS404/3.70
MLS Number	14050291
Category	Differentials, Rear
Last Updated	3/2/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

1993 Eaton RS404 Rear Axle Housing for a Peterbilt 379

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE AIR LEAF Track Width : 70

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Stock Number	25879343
MLS Number	13882041
Category	Axle Housings, Rear
Last Updated	2/27/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2000 Eaton RS404 Rear Axle Housing for a Freightliner C120 Century

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AIRLINER Track Width : 71

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	C120 CENTURY
Stock Number	25904663
MLS Number	14014763
Category	Axle Housings, Rear
Last Updated	2/26/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2013 Eaton RS404 Rear Differential for a Freightliner Cascadia

$455 USD

(USED) Eaton RS404 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25874774
MLS Number	14014856
Category	Differentials, Rear
Last Updated	2/14/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2007 Eaton RS404 Rear Differential for a International 8600

$325 USD

(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8600
Stock Number	25902854
MLS Number	14054954
Category	Differentials, Rear
Last Updated	2/14/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

1994 Eaton RS404 Rear Axle Housing for a Peterbilt 377

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE LOW AIR LEAF Track Width : 72

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	377
Stock Number	25937159
MLS Number	14139495
Category	Axle Housings, Rear
Last Updated	2/12/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2016 Eaton RS404 Rear Differential for a International Lonestar

$455 USD

(USED) Eaton RS404 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	Lonestar
Stock Number	25937935
MLS Number	14139392
Category	Differentials, Rear
Last Updated	2/12/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2009 Eaton RS404 Rear Differential for a International Prostar

$585 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Stock Number	25860781
MLS Number	13808733
Category	Differentials, Rear
Last Updated	2/8/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

1993 Eaton RS404 Rear Differential for a Peterbilt 379

$375 USD

(USED) Eaton RS404 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 662459

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Stock Number	25879338
MLS Number	13896405
Category	Differentials, Rear
Last Updated	2/8/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2002 Eaton RSP40 Rear Differential for a GMC C7500

$595 USD

(USED) Eaton RS404 Ratio: 4.11 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351

Condition	Used
Fits To Make(s)	GMC
Fits To Model(s)	C7500
Stock Number	25902112
MLS Number	14014803
Category	Differentials, Rear
Last Updated	2/8/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

1999 Eaton RS404 Rear Differential for a Kenworth T2000

$585 USD

(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 15102

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Stock Number	25925472
MLS Number	14131534
Category	Differentials, Rear
Last Updated	2/8/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2000 Eaton RS404 Rear Differential for a Sterling A9513

$425 USD

(USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Sterling
Fits To Model(s)	A9513
Stock Number	25935068
MLS Number	14130475
Category	Differentials, Rear
Last Updated	2/12/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2000 Eaton RS404 Rear Axle Housing for a Sterling A9513

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AIRLINER Track Width : 72

Condition	Used
Fits To Make(s)	Sterling
Fits To Model(s)	A9513
Stock Number	25935071
MLS Number	14130474
Category	Axle Housings, Rear
Last Updated	2/12/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

1999 Eaton RS404 Rear Axle Housing for a Kenworth T2000

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400 Track Width : 72

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Stock Number	25925477
MLS Number	14128450
Category	Axle Housings, Rear
Last Updated	2/6/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

1999 Eaton RS404 Rear Axle Housing for a Kenworth T600

$950 USD

(USED) Eaton RS404 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400 Track Width : 71

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25894100
MLS Number	13980153
Category	Axle Housings, Rear
Last Updated	2/5/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.