View 1 Photo View 0 Videos Eaton RS404 Rear Differential Ratio 3.25 $650 USD USED EATON RS404 REAR DIFFERENTIAL ASSEMBLY, RATIO 3.25, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGIN. ConditionUsedPart NumberRS404, Ratio 3.25Stock NumberS4098 MLS Number10149792CategoryDifferentials, Rear Last Updated4/7/2023 LocationPalmyra, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential Ratio 2.85 $650 USD USED EATON RS404 REAR DIFFERENTIAL ASSEMBLY, RATIO 2.85, 30 DAY WARRANTY, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGINE. ConditionUsedPart NumberRS404Stock NumberS091 MLS Number10134416CategoryDifferentials, Rear Last Updated4/7/2023 LocationPalmyra, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential, Ratio 3.90 $650 USD USED EATON RS404 REAR DIFFERENTIAL, RATIO 3.90. ConditionUsedPart NumberRS404Stock NumberS4048 MLS Number10107808CategoryDifferentials, Rear Last Updated4/7/2023 LocationPalmyra, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential $650 USD USED EATON RS404 REAR DIFFERENTIAL RATIO 3.55, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGIN. ConditionUsedPart NumberRS404 RATIO 3.55Stock NumberS4058 MLS Number10092934CategoryDifferentials, Rear Last Updated4/7/2023 LocationPalmyra, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential, 3.90 Ratio $650 USD USED EATON RS404 REAR DIFFERENTIAL, RATIO 3.90, FOR MORE INFORMATION PLEASE CALL 844-EZ-ENGIN ConditionUsedPart NumberRS404Stock NumberS4057 MLS Number10092334CategoryDifferentials, Rear Last Updated2/15/2020 LocationPalmyra, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2000 Eaton RS404 Rear Differential for a Kenworth T800 Newly Listed $595 USD (USED) Eaton RS404 Ratio: 4.11 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Stock Number26020028 MLS Number14506232CategoryDifferentials, Rear Last Updated7/25/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2014 Eaton RS404 Rear Differential for a International Prostar Newly Listed $455 USD (USED) Eaton RS404 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)InternationalFits To Model(s)ProstarStock Number26031055 MLS Number14506224CategoryDifferentials, Rear Last Updated7/25/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2001 Eaton RS404 Rear Differential for a Peterbilt 379 Newly Listed $585 USD (USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Stock Number26037162 MLS Number14503652CategoryDifferentials, Rear Last Updated7/24/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS404 Rear Differential Recently Updated $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 Quantity2ConditionRemanufacturedRear End4.33 ratioStock NumberBP TRS RS404/4.33 MLS Number14050564CategoryDifferentials, Rear Last Updated7/23/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS404 Rear Differential Recently Updated $1,200 USD Remanufactured Eaton RS404 rear, rear differential assembly. 3.55 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered Quantity4ConditionRemanufacturedRear End3.55 ratioStock NumberBP TRS RS404/3.55 MLS Number14050327CategoryDifferentials, Rear Last Updated7/23/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS404 Rear Differential Recently Updated $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 Quantity5ConditionRemanufacturedRear End3.90 ratioStock NumberBP TRS RS404/3.90 MLS Number14050292CategoryDifferentials, Rear Last Updated7/23/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1998 Eaton RS404 Rear Differential for a Peterbilt 379 $375 USD (USED) Eaton RS404 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 Ref# 13701 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Part Number13701Stock Number26027389 MLS Number14466395CategoryDifferentials, Rear Last Updated7/18/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2010 Eaton RS404 Rear Differential for a International Prostar $325 USD (USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)InternationalFits To Model(s)PROSTARStock Number26027790 MLS Number14466319CategoryDifferentials, Rear Last Updated7/18/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1998 Eaton RS404 Rear Differential for a Peterbilt 377 $425 USD (USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 Ref# N/A NO TAG ConditionUsedFits To Make(s)PeterbiltFits To Model(s)377Part NumberN/A NO TAGStock Number26022267 MLS Number14489459CategoryDifferentials, Rear Last Updated7/17/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Eaton RS404 Rear Differential for a International Durastar (4300) $375 USD (USED) Eaton RS404 Ratio: 6.17 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A ConditionUsedFits To Make(s)InternationalFits To Model(s)Durastar (4300)Stock Number26014816 MLS Number14486846CategoryDifferentials, Rear Last Updated7/16/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2005 Eaton RS404 Rear Differential for a International 9200 $375 USD (USED) Eaton RS404 Ratio: 4.63 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825 ConditionUsedFits To Make(s)InternationalFits To Model(s)9200Stock Number26032338 MLS Number14483301CategoryDifferentials, Rear Last Updated7/15/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2009 Eaton RS404 Rear Differential for a International 9900 $325 USD (USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)InternationalFits To Model(s)9900Stock Number26002276 MLS Number14390681CategoryDifferentials, Rear Last Updated7/9/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2001 Eaton RS404 Rear Differential for a International 9400 $585 USD (USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351-C ConditionUsedFits To Make(s)InternationalFits To Model(s)9400Stock Number26016441 MLS Number14432900CategoryDifferentials, Rear Last Updated7/12/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2000 Eaton RS404 Rear Differential for a Kenworth T800 $595 USD (USED) Eaton RS404 Ratio: 4.11 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 Ref# N/A MISSING OEM TAG ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Part NumberN/AStock Number26015931 MLS Number14438859CategoryDifferentials, Rear Last Updated7/4/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2005 Eaton RS404 Rear Differential for a GMC C8500 $425 USD (USED) Eaton RS404 Ratio: 6.50 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)GMCFits To Model(s)C8500Stock Number26021898 MLS Number14451923CategoryDifferentials, Rear Last Updated6/26/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2009 Eaton RS404 Rear Differential for a International Prostar $455 USD (USED) Eaton RS404 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)InternationalFits To Model(s)PROSTARStock Number25979228 MLS Number14327394CategoryDifferentials, Rear Last Updated6/24/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS404 Rear Differential $1,250 USD REMAN 1 WARR ConditionRemanufacturedRear End3.25 ratioStock Number28440 MLS Number14443855CategoryDifferentials, Rear Last Updated6/23/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1996 Eaton RS404 Rear Differential for a Volvo Wia $425 USD (USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 ConditionUsedFits To Make(s)VolvoFits To Model(s)WiaStock Number26018021 MLS Number14438837CategoryDifferentials, Rear Last Updated6/19/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS404 Rear Differential $1,250 USD REMAN 1 YEAR WARR. ConditionRemanufacturedRear End3.55 ratioStock Number28415 MLS Number14407826CategoryDifferentials, Rear Last Updated6/17/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 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 ConditionUsedFits To Make(s)SterlingFits To Model(s)A9513Stock Number25935068 MLS Number14130475CategoryDifferentials, Rear Last Updated6/14/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info