View 1 Photo View 0 Videos Eaton RSP41 Rear Differential for a 2005 Peterbilt 379 $695 USD GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Ratio: 3.55, Casting#: NA ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2005Part NumberRSP40Stock Number60220-8 MLS Number10225781CategoryDifferentials, Rear Last Updated12/17/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton RSP41 Rear Differential for a 2005 Peterbilt 385 $450 USD GOOD INSPECTED TAKEOUT 3.36 RSP41, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)PeterbiltFits To Model(s)385Will Fit Year(s)2005Stock Number12320-10 MLS Number10059400CategoryDifferentials, Rear Last Updated2/16/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP41 Rear Differential for a 2004 International 9900I $550 USD GOOD INSPECTED TAKEOUT. 3.70 RATIO. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: EXCHANGE, Ratio: 3.70 ConditionUsedFits To Make(s)InternationalFits To Model(s)9900IWill Fit Year(s)2004Stock Number21619-23 MLS Number9676381CategoryDifferentials, Rear Last Updated12/17/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP41 Rear Differential for a 2011 Kenworth T660 $395 USD GOOD INSPECTED TAKEOUT. 3.70 RATIO. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: EXCHANGE, Ratio: 3.70 ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2011Stock Number121918-12 MLS Number9604506CategoryDifferentials, Rear Last Updated12/17/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP41 Rear Differential for a 2015 Kenworth T680 $695 USD GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.42 ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2015Stock Number90517-9 MLS Number9210949CategoryDifferentials, Rear Last Updated12/17/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP41 Rear Differential $795 USD INSPECTED TAKE OUT RSP41 4.88. 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 001799, Core Charge: EXCHANGE, Ratio: 4.88 ConditionUsedPart Number001799Stock Number001799 MLS Number11552019CategoryDifferentials, Rear Last Updated5/19/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2016 Eaton RSP41 Rear Differential for a Kenworth T880 Newly Listed $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
View 0 Photos View 0 Videos 2016 Eaton RSP41 Rear Differential for a Freightliner Cascadia $415 USD (USED) Eaton RSP41 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 130946 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)CascadiaStock Number25967870 MLS Number14301524CategoryDifferentials, Rear Last Updated4/10/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 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#: N/A ConditionUsedFits To Make(s)PeterbiltFits To Model(s)365Stock Number25960832 MLS Number14272432CategoryDifferentials, Rear Last Updated4/2/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Eaton RSP41 Rear Differential for a Peterbilt 579 $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 Updated3/28/2026 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 RSP41 Rear Differential for a Peterbilt 387 $375 USD (USED) Eaton RSP41 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 511328 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number25378790 MLS Number14254173CategoryDifferentials, Rear Last Updated3/19/2026 LocationSpencer, 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 $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 Updated3/18/2026 LocationSpencer, IA, 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 T680 $415 USD (USED) Eaton RSP41 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25932510 MLS Number14146308CategoryDifferentials, Rear Last Updated3/8/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2007 Eaton RSP41 Rear Differential for a Kenworth T600 $415 USD (USED) Eaton RSP41 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Stock Number25938591 MLS Number14194769CategoryDifferentials, Rear Last Updated3/8/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2014 Eaton RSP41 Rear Differential for a Kenworth T370 $574 USD (USED) Eaton RSP41 Ratio: 4.63 Side Gear Splines: 41 W/ Locker: NO Cast#: HN04168329 Ref# 511334 ConditionUsedFits To Make(s)KenworthFits To Model(s)T370Part Number511334Stock Number25910129 MLS Number14029910CategoryDifferentials, Rear Last Updated2/26/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2013 Eaton RSP41 Rear Differential for a Peterbilt 386 $350 USD (USED) Eaton RSP41 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25825178 MLS Number13880665CategoryDifferentials, Rear Last Updated2/11/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2013 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 Number25828097 MLS Number13906909CategoryDifferentials, Rear Last Updated2/11/2026 LocationWinimac, IN, 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 T680 $415 USD (USED) Eaton RSP41 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25925056 MLS Number14100932CategoryDifferentials, Rear Last Updated2/11/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2017 Eaton RSP41 Rear Differential for a Peterbilt 579 $350 USD (USED) Eaton RSP41 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25871754 MLS Number13860785CategoryDifferentials, Rear Last Updated11/26/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2011 Eaton RSP41 Rear Differential for a Kenworth T800 $350 USD (USED) Eaton RSP41 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Stock Number25872325 MLS Number13860758CategoryDifferentials, Rear Last Updated11/21/2025 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 RSP41 Rear Differential for a Kenworth T660 $750 USD GTO ConditionUsedRear End3.08 ratioFits To Make(s)KENWORTHFits To Model(s)T660Stock Number26745 MLS Number12098597CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2014 Eaton RSP41 Rear Differential for a Peterbilt 386 $395 USD (USED) Eaton RSP41 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 515354 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Part Number515354Stock Number25884945 MLS Number13927639CategoryDifferentials, Rear Last Updated11/6/2025 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 RSP41 Rear Differential Contact for price RSP41 Ratio:3.36, Ratio: 3.36 ConditionUsedRear End3.36 ratioStock NumberATC2522 MLS Number13801292CategoryDifferentials, Rear Last Updated9/9/2025 LocationAlma, AR, US Sold ByArkansas Truck Center (833) 371-___ 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: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25822790 MLS Number13735572CategoryDifferentials, Rear Last Updated9/6/2025 LocationWinimac, IN, 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 Kenworth T680 $750 USD RSP 410 REARS 3.25 ConditionUsedRear End3.25 ratioFits To Make(s)KENWORTHFits To Model(s)T680Stock Number28165 MLS Number13759159CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info