2 0 Eaton RSP40 Rear Differential for a 2006 Peterbilt 379 $550 USD RSP40 RR 355 CHECKED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2006Stock Number60325-2 MLS Number13668016CategoryDifferentials, Rear Last Updated8/7/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RSP40 Rear Differential for a 2007 Kenworth T-800 $700 USD GOOD USED, Core Charge: 0, Ratio: 3.70 ConditionUsedRear End3.70 ratioFits To Make(s)KENWORTHFits To Model(s)T-800Will Fit Year(s)2007Stock Number2A2E56587 MLS Number13712622CategoryDifferentials, Rear Last Updated8/3/2025 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Eaton RSP40 Rear Differential $600 USD Good used Eaton RSP40 Rear, Rear Differential Assembly. 3.25 Ratio. 90 day guarantee for swap or refund Quantity3ConditionUsedRear End3.25 ratioFits To Make(s)EATONFits To Model(s)RSP40Stock NumberRyd RSP40/3.25/41 MLS Number10806818CategoryDifferentials, Rear Last Updated7/30/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Eaton RSP40 Rear Differential $600 USD Good used Eaton RSP40 Rear, Rear Differential Assembly. 3.55 Ratio. 90 day guarantee for swap or refund Quantity2ConditionUsedRear End3.55 ratioFits To Make(s)EATONFits To Model(s)RSP40Stock NumberRyd RSP40/3.55/41 MLS Number10643512CategoryDifferentials, Rear Last Updated7/30/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2003 Eaton RSP40 Rear Differential for a Peterbilt 379 $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 30825 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Stock Number25676874 MLS Number13014078CategoryDifferentials, Rear Last Updated7/30/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 Eaton RSP40 Rear Differential $1,295 USD REBUILT RSP40 3.55. 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 14789, Core Charge: EXCHANGE, Ratio: 3.55 ConditionRemanufacturedPart Number14789Stock Number14789 MLS Number13716268CategoryDifferentials, Rear Last Updated7/23/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2012 Eaton RSP40 Rear Differential for a Peterbilt 365 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)365Stock Number25820189 MLS Number13709011CategoryDifferentials, Rear Last Updated7/20/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2014 Eaton RSP40 Rear Differential for a Peterbilt 386 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# N/A ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Part NumberN/AStock Number25828952 MLS Number13708793CategoryDifferentials, Rear Last Updated7/20/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RSP40 Rear Differential $500 USD 3.55 Ratio 41 Spline ConditionUsedFits To Make(s)EatonFits To Model(s)RSP40Stock NumberR12134809 MLS Number13707033CategoryDifferentials, Rear Last Updated7/17/2025 LocationSpokane Valley, WA, US Sold BySpalding Truck Parts (833) 432-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 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#: VERIFY ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number25740346 MLS Number13331406CategoryDifferentials, Rear Last Updated7/13/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 1999 Eaton RSP40 Rear Differential for a Kenworth W900S $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 ConditionUsedFits To Make(s)KenworthFits To Model(s)W900LStock Number25671767 MLS Number12974219CategoryDifferentials, Rear Last Updated7/12/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
6 0 2013 Eaton RSP40 Rear Differential for a Kenworth T660 $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number25823301 MLS Number13695313CategoryDifferentials, Rear Last Updated7/13/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2013 Eaton RSP40 Rear Differential for a Kenworth T700 $395 USD (USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T700Stock Number25686730 MLS Number13060499CategoryDifferentials, Rear Last Updated7/12/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
7 0 2012 Eaton RSP40 Rear Differential for a Peterbilt 386 $350 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)386Part Number511329Stock Number25808480 MLS Number13686006CategoryDifferentials, Rear Last Updated7/5/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2006 Eaton RSP40 Rear Differential for a Kenworth T600 $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Stock Number25642088 MLS Number12855891CategoryDifferentials, Rear Last Updated7/9/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
6 0 2009 Eaton RSP40 Rear Differential for a Peterbilt 386 $317 USD (USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 511330 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Part Number511330Stock Number25821383 MLS Number13684586CategoryDifferentials, Rear Last Updated7/4/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RSP40 Rear Differential for a 2016 Peterbilt 389 $659 USD EATON RSP40 3.25 RATIO REAR DIFFERENTIAL, WILL INSPECT OVERHAUL ON 10/1/24, Ratio: 3.25 ConditionUsedRear End3.25 ratioFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2016Stock Number60825-2 MLS Number13679453CategoryDifferentials, Rear Last Updated7/3/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2010 Eaton RSP40 Rear Differential for a Kenworth T800 $599.99 USD EATON RSP40 REAR REAR DIFFERENTIAL RATIO 3.70 , From 2010 Kenworth T800 VIN 1XKDD09XXAJ268270 ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T800Stock Number131614 MLS Number11359516CategoryDifferentials, Rear Last Updated7/1/2025 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2004 Eaton RSP40 Rear Differential for a Peterbilt 387 $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 130830 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number25792546 MLS Number13572800CategoryDifferentials, Rear Last Updated6/29/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
6 0 2014 Eaton RSP40 Rear Differential for a Peterbilt 386 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: CAN NOT VERIFY THE CAST NUMBER ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25816293 MLS Number13675738CategoryDifferentials, Rear Last Updated6/29/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 Eaton RSP40 Rear Differential for a 2009 Peterbilt 386 $695 USD GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: 41, Serial#: NA, Ratio: 3.36, Casting#: NA ConditionUsedRear End3.36 ratioFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2009Part NumberRSP-40Stock Number42621-8 MLS Number10785542CategoryDifferentials, Rear Last Updated6/28/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2007 Eaton RSP40 Rear Differential for a Kenworth T800 $317 USD (USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Stock Number25787778 MLS Number13558692CategoryDifferentials, Rear Last Updated6/26/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2016 Eaton RSP40 Rear Differential for a Peterbilt 579 $360 USD (USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: Na ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25670062 MLS Number13013476CategoryDifferentials, Rear Last Updated6/27/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RSP40 Rear Differential $550 USD 3.55 Ratio 41 Spline ConditionUsedFits To Make(s)EatonFits To Model(s)RSP40Stock NumberR12088926 MLS Number13665064CategoryDifferentials, Rear Last Updated6/25/2025 LocationSpokane Valley, WA, US Sold BySpalding Truck Parts (833) 432-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 2014 Eaton RSP40 Rear Differential for a Kenworth T680 $699.99 USD Eaton RSP40 Rear Rear Differential 3.36 Ratio, From 2014 Kenworth T680 VIN 1XKYDP9X9EJ364696 ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T680Stock Number146902 MLS Number13662683CategoryDifferentials, Rear Last Updated6/26/2025 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info