View 7 Photos View 0 Videos Eaton RSP40-3.55 Rear Differential $899.95 USD Eaton RSP40 3.55 +$150 Core, Ratio: 3.55, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker, ConditionUsedRear End3.55 ratioStock Number15426 MLS Number13908217CategoryDifferentials, Rear Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2008 Eaton RSP40 Rear Differential for a Peterbilt 388 $500 USD RSP40 3.55 CORE ConditionUsedRear End3.55 ratioFits To Make(s)PETERBILTFits To Model(s)388Stock Number15070 MLS Number13815359CategoryDifferentials, Rear Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1996 Eaton RT402-3.70 Rear Differential for a Kenworth T800 $895 USD RT402-3.70 Core Two speed, Yoke 1710, Side gears 41 Spline, Input 39 Spline, ConditionUsedRear End3.70 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number12532 MLS Number13375740CategoryDifferentials, Rear Last Updated1/30/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton DS404-3.55 Rear Differential $750 USD DS404 3.55 REBUILDABLE CORE, Some rust on ring gear. ConditionUsedRear End3.55 ratioStock Number11267 MLS Number13160138CategoryDifferentials, Rear Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2000 Eaton RS404 Rear Differential for a Volvo VNL Price Drop $325 USD (USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 ConditionUsedFits To Make(s)VolvoFits To Model(s)VNLStock Number25691721 MLS Number13349502CategoryDifferentials, Rear Last Updated1/22/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton RSP41 Rear Differential $500 USD RSP41 - 3.70 Ratio - Pullout - P/N 511330 (676035). DIFF ONLY, HOUSING SOLD SEPARATELY. ConditionUsedRear End3.70 ratioStock Number25742 MLS Number13909482CategoryDifferentials, Rear Last Updated1/21/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS402 Rear Differential for a 1986 Kenworth W900 $995 USD RS402 USED TAKEOUT, 4.56 RATIO WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY., Ratio: 4.56 ConditionUsedRear End4.56 ratioFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)1986Stock Number11426-3 MLS Number14101181CategoryDifferentials, Rear Last Updated1/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS461 Rear Differential $1,395 USD USED TAKEOUT RS461 4.11 RATIO, WILL INSPECT IN OUR GEARSHOP 90 DAY WARRANTY., Ratio: 4.11 ConditionUsedRear End4.11 ratioStock NumberP-60968 MLS Number14101155CategoryDifferentials, Rear Last Updated1/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2011 Eaton S21-170 Rear Differential for a Peterbilt 337 $1,816 USD (USED) Eaton S21-170 Ratio: 5.38 Side Gear Splines: 46 W/ Locker: NO Cast#: Could Not Verify ConditionUsedFits To Make(s)PeterbiltFits To Model(s)337Stock Number25635655 MLS Number12800679CategoryDifferentials, Rear Last Updated1/21/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1999 Eaton RS404 Rear Differential for a Kenworth T600 $325 USD (USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 Ref# N/A ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Part NumberN/AStock Number25773063 MLS Number13511335CategoryDifferentials, Rear Last Updated1/21/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2012 Eaton 2.64 Rear Differential for a Peterbilt 386 Contact for price ConditionUsedFits To Make(s)PETERBILTFits To Model(s)386Stock Number1010 MLS Number14022728CategoryDifferentials, Rear Last Updated1/20/2026 LocationORLANDO, FL, US Sold ByUSA Trade & Exports Inc. (844) 484-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton 3.58 Rear Differential Contact for price ConditionUsedStock Number923 MLS Number14022664CategoryDifferentials, Rear Last Updated1/20/2026 LocationORLANDO, FL, US Sold ByUSA Trade & Exports Inc. (844) 484-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton Rs402 3.70 Rear Differential Contact for price Housing 308, 3.70 differential ConditionUsedStock Number417 MLS Number14040797CategoryDifferentials, Rear Last Updated1/20/2026 LocationORLANDO, FL, US Sold ByUSA Trade & Exports Inc. (844) 484-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RSP40 Rear Differential for a 2007 Kenworth T2000 Contact for price MILES 689734, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T2000Will Fit Year(s)2007Stock Number204952-4 MLS Number14098635CategoryDifferentials, Rear Last Updated1/20/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS461 Rear Differential $1,250 USD Good used Eaton RS461 Rear, Rear Differential Assembly. 4.88 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End4.88 ratioFits To Make(s)EATONFits To Model(s)RS461Stock NumberRyd RS461/4.88/36 MLS Number10568110CategoryDifferentials, Rear Last Updated1/17/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2000 Eaton RSH40 Rear Differential for a Peterbilt 357 $300 USD RSH40 - Ratio 4.88 - Core - Grade C - Rebuildable - Pitting On Ring Gear - Good Case. Core Unit Sold As-Is. ConditionUsedRear End4.88 ratioFits To Make(s)PETERBILTFits To Model(s)357Stock Number1301-15 MLS Number14095204CategoryDifferentials, Rear Last Updated1/16/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 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 Updated1/16/2026 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Eaton RDP41 Rear Differential $1,350 USD Good used Eaton RDP41 Rear, Rear Differential Assembly. 4.63 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End4.63 ratioFits To Make(s)EATONFits To Model(s)RDP41Stock NumberRyd RDP41/4.63/41 L MLS Number14095085CategoryDifferentials, Rear Last Updated1/16/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2019 Eaton RSP40 Rear Differential for a Peterbilt 579 $395 USD (USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: NONE Ref# 7012393 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number7012393Stock Number25712985 MLS Number13230922CategoryDifferentials, Rear Last Updated1/16/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2005 Eaton RST41 Rear Differential for a Mack CXN $495 USD (USED) Eaton RST41 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825 ConditionUsedFits To Make(s)MackFits To Model(s)CXNStock Number25810413 MLS Number13643617CategoryDifferentials, Rear Last Updated1/16/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2023 Eaton RDH40 Rear Differential for a Kenworth T880 $1,495 USD RDH40 3.70 LOCKER Inspected Takeout +$650 Core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines, ConditionUsedRear End3.70 ratioFits To Make(s)KENWORTHFits To Model(s)T880Stock Number16250 MLS Number14092627CategoryDifferentials, Rear Last Updated1/17/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2016 Eaton RDH40 Rear Differential for a Kenworth T880 $1,495 USD RDH40 3.70 LOCKER Inspected Takeout +$650 core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines ConditionUsedRear End3.70 ratioFits To Make(s)KENWORTHFits To Model(s)T880Stock Number14737 MLS Number13780952CategoryDifferentials, Rear Last Updated1/15/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton Rear Differential for a 1987 GMC Brigadier $1,995 USD RC402 4.33 RATIO USED T.O.LOCKER, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY., Ratio: 433 ConditionUsedRear End4.33 ratioFits To Make(s)GMCFits To Model(s)BrigadierWill Fit Year(s)1987Stock Number11126-3 MLS Number14091649CategoryDifferentials, Rear Last Updated1/16/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton Rear Differential for a 2006 Peterbilt 378 $3,295 USD D46-170 LOCKER REAR USED T.O 3.91 RATIO WILL INSPECT IN OUR GEARSHOP 90 DAY WARRANTY.SUSPENSION ASSY INVENTORIED SEPERATLY., Ratio: 3.91 ConditionUsedRear End3.91 ratioFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2006Stock Number11026-2 MLS Number14091634CategoryDifferentials, Rear Last Updated1/16/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2009 Eaton S23-170 Rear Differential for a International Durastar (4400) $1,816 USD (USED) Eaton S23-170 Ratio: 3.73 Side Gear Splines: 46 W/ Locker: NO Cast#: CANNOT VERIFY ConditionUsedFits To Make(s)InternationalFits To Model(s)DURASTAR (4400)Stock Number25660042 MLS Number13170578CategoryDifferentials, Rear Last Updated1/15/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info