View 4 Photos View 0 Videos 2010 Eaton RSP41 Rear Differential for a Peterbilt 340 $574 USD (USED) Eaton RSP41 Ratio: 4.63 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)340Stock Number25730326 MLS Number13313232CategoryDifferentials, Rear Last Updated1/6/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2007 Eaton RSP41 Rear Differential $550 USD 6 Month Warranty,RSP41,3.36,RR,SPL170,T-O,387,T18,THICK FLANGE ConditionUsedStock NumberR03818094 MLS Number13092941CategoryDifferentials, Rear Last Updated1/2/2025 LocationSpokane Valley, WA, US Sold BySpalding Truck Parts (833) 432-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2006 Eaton RSP41 Rear Differential $550 USD 6 Month Warranty,RSP41,3.25,RR,SPL170,T-O,T600,T18 ConditionUsedStock NumberR04468555 MLS Number13092938CategoryDifferentials, Rear Last Updated1/2/2025 LocationSpokane Valley, WA, US Sold BySpalding Truck Parts (833) 432-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2009 Eaton RSP41 Rear Differential for a Kenworth T660 $350 USD (USED) Eaton RSP41 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number25547977 MLS Number12464880CategoryDifferentials, Rear Last Updated8/29/2024 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2016 Eaton RSP41 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP41 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 511326 Ref# HN04774394 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part NumberHN04774394Stock Number25504355 MLS Number12384612CategoryDifferentials, Rear Last Updated8/29/2024 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2006 Eaton RSP41 Rear Differential for a Peterbilt 379 $350 USD (USED) Eaton RSP41 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Stock Number25458313 MLS Number12168929CategoryDifferentials, Rear Last Updated8/29/2024 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2012 Eaton RSP41 Rear Differential for a Peterbilt 365 $574 USD (USED) Eaton RSP41 Ratio: 4.88 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)365Stock Number25370002 MLS Number11888651CategoryDifferentials, Rear Last Updated8/29/2024 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2010 Eaton RSP41 Rear Differential for a Peterbilt 387 $375 USD (USED) Eaton RSP41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number25679976 MLS Number13059014CategoryDifferentials, Rear Last Updated8/20/2024 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 RSP41 Rear Differential for a Peterbilt 388 Recently Updated $495 USD (USED) Eaton RSP41 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 511331 Ref# 511331 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)388Part Number511331Stock Number25960844 MLS Number14242048CategoryDifferentials, Rear Last Updated8/12/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Eaton RSP41 Rear Differential for a Peterbilt 579 Recently Updated $574 USD (USED) Eaton RSP41 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25967226 MLS Number14267982CategoryDifferentials, Rear Last Updated8/12/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2018 Eaton RSP41 Rear Differential for a Peterbilt 348 $574 USD (USED) Eaton RSP41 Ratio: 5.29 Side Gear Splines: 41 W/ Locker: NO Cast#: 511336 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)348Stock Number26031554 MLS Number14502054CategoryDifferentials, Rear Last Updated7/23/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Eaton RSP41 Rear Differential for a Peterbilt 365 $574 USD (USED) Eaton RSP41 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: 511333 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)365Stock Number25839567 MLS Number13743158CategoryDifferentials, Rear Last Updated7/23/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2015 Eaton RSP41 Rear Differential for a Peterbilt 389 $395 USD (USED) Eaton RSP41 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Stock Number26026586 MLS Number14464573CategoryDifferentials, 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 2002 Eaton RSP41 Rear Differential for a Peterbilt 357 $795 USD USED EATON RSP41 REAR DIFFERENTIAL RATIO: 4.11 ConditionUsedRear End4.11 ratioFits To Make(s)PETERBILTFits To Model(s)357Stock Number100150 MLS Number14468614CategoryDifferentials, Rear Last Updated7/7/2026 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 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 2014 Eaton RSP41 Rear Differential for a Peterbilt 367 $1,250 USD GTO 100 DAY WARRANTY LOCKER ConditionUsedRear End3.90 ratioFits To Make(s)PETERBILTFits To Model(s)367Stock Number25496 MLS Number11151977CategoryDifferentials, Rear Last Updated6/4/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2012 Eaton RSP41 Rear Differential for a Kenworth T660 $375 USD (USED) Eaton RSP41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number25977374 MLS Number14327430CategoryDifferentials, Rear Last Updated5/30/2026 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 RSP41 Rear Differential Contact for price RSP41 Ratio:4.88, Ratio: 4.88 ConditionUsedRear End4.88 ratioStock NumberATC1756 MLS Number11344754CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP41 Rear Differential Contact for price RSP41 3.25, Ratio: 3.25 ConditionUsedRear End3.25 ratioStock NumberATC1657 MLS Number11316544CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP41 Rear Differential Contact for price RSP41 3.42 (7), Ratio: 3.42 ConditionUsedRear End3.42 ratioStock NumberATC297 MLS Number9404702CategoryDifferentials, Rear Last Updated5/14/2026 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP41 Rear Differential for a 2008 Peterbilt 387 Contact for price ABS, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)387Will Fit Year(s)2008Stock Number782312-5 MLS Number9391273CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RSP41 Rear Differential Contact for price ., Ratio: 355 ConditionUsedRear End3.55 ratioStock Number853 MLS Number9390507CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2011 Eaton RSP41 Rear Differential for a Peterbilt 386 $350 USD (USED) Eaton RSP41 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: NA ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25823442 MLS Number13860859CategoryDifferentials, Rear Last Updated4/30/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2002 Eaton RSP41 Rear Differential for a Peterbilt 378 $350 USD (USED) Eaton RSP41 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 129543 Ref# N/A ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Part NumberN/AStock Number25979133 MLS Number14327398CategoryDifferentials, Rear Last Updated4/23/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton RSP41 Rear Differential for a Kenworth T880 $395 USD (USED) Eaton RSP41 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A ConditionUsedFits To Make(s)KenworthFits To Model(s)T880Stock Number25969933 MLS Number14317030CategoryDifferentials, Rear Last Updated4/17/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info