View 0 Photos View 0 Videos 2009 Eaton S21-170 Rear Differential for a Kenworth T270 $1,816 USD (USED) Eaton S21-170 Ratio: 4.10 Side Gear Splines: 46 W/ Locker: NO Cast#: S21-170 Ref# 512310 ConditionUsedFits To Make(s)KenworthFits To Model(s)T270Part Number512310Stock Number25912661 MLS Number14091372CategoryDifferentials, Rear Last Updated6/19/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2011 Eaton RDP40 Rear Differential for a Peterbilt 388 $1,534 USD (USED) Eaton RDP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: YES Cast#: NF 1 DI ConditionUsedFits To Make(s)PeterbiltFits To Model(s)388Stock Number26014642 MLS Number14423995CategoryDifferentials, 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 Eaton 17221 Rear Differential $750 USD RATIO 7.60 TURNS 360,LOOKS O.K - Ratio: 7.60, Core Charge: 0.00 ConditionUsedRear End7.60 ratioStock Number28254 MLS Number9062592CategoryDifferentials, Rear Last Updated6/17/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ 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 Updated6/17/2026 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 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
View 0 Photos View 0 Videos 2021 Eaton 22060S Rear Differential for a Kenworth T370 $375 USD (USED) Eaton 22060S Ratio: 5.57 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# N/A ConditionUsedFits To Make(s)KenworthFits To Model(s)T370Part NumberN/AStock Number25951977 MLS Number14213326CategoryDifferentials, Rear Last Updated6/18/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2008 Eaton 21060S Rear Differential for a International Durastar (4400) $375 USD (USED) Eaton 21060S Ratio: 6.17 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351-C ConditionUsedFits To Make(s)InternationalFits To Model(s)DURASTAR (4400)Stock Number25987736 MLS Number14409628CategoryDifferentials, Rear Last Updated6/14/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2002 Eaton RSP41 Rear Differential for a Peterbilt 357 $795 USD USED EATON RSP40 REAR DIFFERENTIAL RATIO: 4.11 ConditionUsedRear End4.11 ratioFits To Make(s)PETERBILTFits To Model(s)357Stock Number100075 MLS Number14425155CategoryDifferentials, Rear Last Updated6/13/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS404 Rear Differential for a 2000 Kenworth W900 $595 USD GOOD INSPECTED TAKEOUT, 90 DAY WARRANTY EXCHANGE, Core Charge: NA, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)2000Part NumberRS404 19060S 21060SStock Number51026-4 MLS Number14424513CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential $995 USD GOOD USED TAKEOUT RSP40 5.57 RATIO NOTES, Ratio: 5.57 ConditionUsedRear End5.57 ratioStock Number001234 MLS Number11307487CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.55, Ratio: 3.55 ConditionUsedRear End3.55 ratioStock NumberATC2625 MLS Number14423815CategoryDifferentials, Rear Last Updated6/13/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS402 Rear Differential Contact for price RS402 Ratio:3.90, Ratio: 3.90 ConditionUsedRear End3.90 ratioStock NumberATC2623 MLS Number14423813CategoryDifferentials, Rear Last Updated6/13/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.70, Ratio: 3.70 ConditionUsedRear End3.70 ratioStock NumberATC2621 MLS Number14423810CategoryDifferentials, Rear Last Updated6/13/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.36, Ratio: 3.36 ConditionUsedRear End3.36 ratioStock NumberATC2619 MLS Number14423808CategoryDifferentials, Rear Last Updated6/13/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS402 Rear Differential Contact for price RS402 Ratio:4.11, Ratio: 4.11 ConditionUsedRear End4.11 ratioStock NumberATC2615 MLS Number14423804CategoryDifferentials, Rear Last Updated6/13/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton D46-170 Rear Differential for a 2016 Kenworth W900 Contact for price REAR READ D46-170 391 DOUBLE LOICKS, Ratio: 3:91 ConditionUsedRear End3.91 ratioFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)2016Stock Number3279-3 MLS Number13343540CategoryDifferentials, Rear Last Updated6/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Eaton R40-170 Rear Differential for a Peterbilt 567 $2,420 USD (USED) Eaton R40-170 Ratio: 3.91 Side Gear Splines: 46 W/ Locker: YES Cast#: N/A Ref# N/A ConditionUsedFits To Make(s)PeterbiltFits To Model(s)567Part NumberN/AStock Number25967337 MLS Number14267970CategoryDifferentials, Rear Last Updated6/12/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2001 Eaton RD462 Rear Differential for a Western Star 5900 $1,270 USD (USED) Eaton RD462 Ratio: 4.11 Side Gear Splines: 36 W/ Locker: YES Cast#: 127218 ConditionUsedFits To Make(s)Western StarFits To Model(s)5900Stock Number26009229 MLS Number14421261CategoryDifferentials, Rear Last Updated6/12/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2007 Eaton RS404 Rear Differential for a Freightliner Columbia 120 $585 USD (USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)COLUMBIA 120Stock Number26013381 MLS Number14421224CategoryDifferentials, Rear Last Updated6/14/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1997 Eaton RS404 Rear Differential for a Freightliner FLD120 $375 USD (USED) Eaton RS404 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)FreightlinerFits To Model(s)FLD120Stock Number26013587 MLS Number14421183CategoryDifferentials, Rear Last Updated6/12/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2004 Eaton 19060S Rear Differential for a International 4300 $425 USD (USED) Eaton 19060S Ratio: 7.17 Side Gear Splines: 39 W/ Locker: NO Cast#: 129351-C ConditionUsedFits To Make(s)InternationalFits To Model(s)4300Stock Number25963073 MLS Number14260528CategoryDifferentials, Rear Last Updated6/11/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2013 Eaton RDP40 Rear Differential for a Kenworth T660 $1,534 USD (USED) Eaton RDP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: YES Cast#: - BAD YOKE ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number26012780 MLS Number14419006CategoryDifferentials, Rear Last Updated6/14/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential $1,495 USD REBUILT EATON RSP40 REAR DIFFERENTIAL RATIO: 4.11 ConditionRemanufacturedRear End4.11 ratioStock Number100056 MLS Number14413305CategoryDifferentials, Rear Last Updated6/9/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS404 Rear Differential $1,200 USD Remanufactured Eaton RS404 rear, rear differential assebmly. 4.11 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered. Quantity2ConditionRemanufacturedRear End4.11 ratioStock NumberBP TRS RS404/4.11 MLS Number14050465CategoryDifferentials, Rear Last Updated6/9/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info