View 0 Photos View 0 Videos 2008 Eaton RSP40 Rear Differential for a Peterbilt 389 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Stock Number26044130 MLS Number14533055CategoryDifferentials, Rear Last Updated8/14/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Kenworth T680 $795 USD USED EATON RSP40 REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.25 ConditionUsedRear End3.25 ratioFits To Make(s)KENWORTHFits To Model(s)T680Stock Number96062 MLS Number13032253CategoryDifferentials, Rear Last Updated8/6/2026 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 2011 Eaton RSP40 Rear Differential for a Peterbilt 386 $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: COULD NOT VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number26024232 MLS Number14466430CategoryDifferentials, Rear Last Updated8/5/2026 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 RSP40 Rear Differential for a Peterbilt 579 $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 511329 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number511329Stock Number26032394 MLS Number14483296CategoryDifferentials, Rear Last Updated8/5/2026 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 RSP40 Rear Differential $1,200 USD Remanufactured Eaton RSP40 rear, rear differential assembly. 3.55 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered Quantity6ConditionRemanufacturedRear End3.55 ratioStock NumberBP TRS RSP40/3.55 MLS Number14050366CategoryDifferentials, 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 2011 Eaton RSP40 Rear Differential for a Kenworth T660 $495 USD (USED) Eaton RSP40 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number25924696 MLS Number14117716CategoryDifferentials, Rear Last Updated7/18/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Kenworth T660 $395 USD (USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number26027420 MLS Number14466387CategoryDifferentials, Rear Last Updated7/18/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Eaton RSP40 Rear Differential for a Kenworth T680 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 08D4 Ref# 511327 ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Part Number511327Stock Number26025948 MLS Number14489434CategoryDifferentials, 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 Eaton RSP40 Rear Differential Contact for price RSP40 Ratio:3.25, Ratio: 3.25 ConditionUsedRear End3.25 ratioStock NumberATC2653 MLS Number14476252CategoryDifferentials, Rear Last Updated7/10/2026 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 NumberATC2644 MLS Number14476243CategoryDifferentials, Rear Last Updated7/10/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2007 Eaton RSP40 Rear Differential for a Freightliner Columbia 120 $317 USD (USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)COLUMBIA 120Stock Number25889183 MLS Number13968310CategoryDifferentials, Rear Last Updated7/9/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential $1,495 USD REBUILT EATON RSP40 REAR DIFFERENTIAL RATIO: 3.25 ConditionRemanufacturedRear End3.25 ratioStock Number93816 MLS Number12837723CategoryDifferentials, Rear Last Updated6/20/2026 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 2009 Eaton RSP40 Rear Differential for a Kenworth T660 $750 USD EATO RSP 4 3.55 RATIO ConditionUsedRear End3.55 ratioFits To Make(s)KENWORTHFits To Model(s)T660Stock Number28404 MLS Number14380184CategoryDifferentials, Rear Last Updated6/20/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton 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 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 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 2017 Eaton RSP40 Rear Differential for a Peterbilt 579 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number26005182 MLS Number14396396CategoryDifferentials, Rear Last Updated6/5/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP40 Rear Differential $795 USD USED EATON RSP40 REAR DIFFERENTIAL RATIO: 3.70 ConditionUsedRear End3.70 ratioStock Number100054 MLS Number14402210CategoryDifferentials, Rear Last Updated6/2/2026 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 RSP40 Rear Differential $795 USD USED RSP40 EATON REAR DIFFERENTIAL RATIO: 3.70 ConditionUsedRear End3.70 ratioStock Number95828 MLS Number13018330CategoryDifferentials, Rear Last Updated6/2/2026 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 2019 Eaton RSP40 Rear Differential for a Kenworth T680 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number26005395 MLS Number14398510CategoryDifferentials, Rear Last Updated5/30/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2005 Eaton RSP40 Rear Differential for a Peterbilt 387 $415 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number25995551 MLS Number14396542CategoryDifferentials, Rear Last Updated5/29/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2006 Eaton RSP40 Rear Differential for a Peterbilt 387 $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number26003979 MLS Number14394122CategoryDifferentials, Rear Last Updated5/28/2026 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 RSP40 Rear Differential for a Peterbilt 386 $395 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25986883 MLS Number14348074CategoryDifferentials, Rear Last Updated5/24/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2014 Eaton RSP40 Rear Differential for a Peterbilt 579 $395 USD (USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: NFDI11F3 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25996356 MLS Number14371283CategoryDifferentials, Rear Last Updated5/24/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info