View 9 Photos View 0 Videos Eaton RS404-3.70 Rear Differential $899.95 USD Eaton RS404 3.70 Inspected Takeout +$150 Core, Ratio: 3.70, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionUsedRear End3.70 ratioStock Number15417 MLS Number13908208CategoryDifferentials, Rear Last Updated1/24/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Eaton RS402 Rear Differential $899.95 USD Eaton RS402 4.33 +$150 Core, Capacity: 40K, Ratio: 4.33, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionUsedRear End4.33 ratioStock Number15402 MLS Number13884893CategoryDifferentials, Rear Last Updated1/24/2026 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 21060S Rear Differential for a International 4400 $400 USD 21060S - 5.57 Ratio - Pullout - P/N 510916. DIFF ONLY, HOUSING SOLD SEPARATELY ConditionUsedRear End5.57 ratioFits To Make(s)INTERNATIONALFits To Model(s)4400Stock Number1272-3 MLS Number13891652CategoryDifferentials, Rear Last Updated1/23/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP41 Rear Differential for a 2016 Kenworth T680 $795 USD RSP41 3.36 RATIO USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Stock Number11826-4 MLS Number14106489CategoryDifferentials, Rear Last Updated1/23/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 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 5 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 5 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 5 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 $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 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 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 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 8 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 5 Photos View 0 Videos Eaton 21060S Rear Differential $400 USD 21060S - 5.57 - Pullout - Grade A - Unit In Good Condition. ConditionUsedRear End5.57 ratioStock Number4537079 MLS Number13889599CategoryDifferentials, Rear Last Updated1/14/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info