4 0 Eaton RS404-3.90 Rear Differential Recently Updated $899.95 USD Eaton RS404 3.90 Inspected Takeout +$250 Core, Capacity: 40K, Ratio: 3.90, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionUsedRear End3.90 ratioStock Number15358 MLS Number13871762CategoryDifferentials, Rear Last Updated11/8/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 Eaton RSP40-3.08 Rear Differential Recently Updated $500 USD Eaton RSP40 3.08 CORE , Capacity: 40K, Ratio: 3.08, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionUsedRear End3.08 ratioStock Number15326 MLS Number13869671CategoryDifferentials, Rear Last Updated11/7/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
6 0 2002 Eaton RS404-3.90 Rear Differential for a Kenworth T800 Recently Updated $899.95 USD Eaton RS404 3.90 Inspected Takeout +$150 Core, Capacity: 40K, Ratio: 3.90, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker, ConditionUsedRear End3.90 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number15325 MLS Number13869670CategoryDifferentials, Rear Last Updated11/8/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Eaton RS405 Rear Differential Recently Updated $899.95 USD Eaton RS405 4.33 Inspected Takeout +$150 Core Fee Like for like, Capacity: 40K, Ratio: 4.33, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionUsedRear End4.33 ratioStock Number15324 MLS Number13869669CategoryDifferentials, Rear Last Updated11/7/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 Eaton RS404-3.55 Rear Differential Recently Updated $899.95 USD Eaton RS404 3.55 Inspected Takeout +$150 Core, Capacity: 40K, Ratio: 3.55, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionUsedRear End3.55 ratioStock Number15322 MLS Number13869667CategoryDifferentials, Rear Last Updated11/6/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 Eaton RSP40-3.55 Rear Differential Recently Updated $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 Updated11/5/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
1 0 2017 Eaton R40-155-2.64 Rear Differential for a Kenworth T680 Recently Updated $1,500 USD R40-155 2.64 ratio. Takeout from low mileage non wrecked truck. ConditionUsedRear End2.64 ratioFits To Make(s)KENWORTHFits To Model(s)T680Stock Number12399 MLS Number13333196CategoryDifferentials, Rear Last Updated11/5/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RS404-3.90 Rear Differential Recently Updated $899 USD RS404-3.90 inspected takeout+$250 core, Yoke 1710 full round, Side gears 41 spline, Input39 spline ConditionUsedRear End3.90 ratioStock Number12289 MLS Number13315709CategoryDifferentials, Rear Last Updated11/5/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 Eaton RSP40-4.11 Rear Differential Recently Updated $899.95 USD Eaton RSP40 4.11 Inspected Takeout + $150 Core, Ratio: 4.11, Yoke: N/A, Side Gear: 41 Splines, Input: 39 Splines, Non-locker ConditionUsedRear End4.11 ratioStock Number15430 MLS Number13910094CategoryDifferentials, Rear Last Updated11/4/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 Eaton RSH40 Rear Differential Recently Updated $899.95 USD Eaton RSH40 3.90 Inspected Takeout + $150 Core, Ratio: 3.90, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-locker ConditionUsedRear End3.90 ratioStock Number15429 MLS Number13910093CategoryDifferentials, Rear Last Updated11/4/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
6 0 Eaton RS404-3.70 Rear Differential Recently Updated $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 Updated11/6/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RS405-4.11 Rear Differential Recently Updated $899 USD RS405 4.11 Inspected Takeout. +$250 core Yoke; 1710, Side Gear; 41 Spline, Input shaft; 39 Spline ConditionUsedRear End4.11 ratioStock Number14024 MLS Number13659376CategoryDifferentials, Rear Last Updated11/4/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2009 Eaton RD404 Rear Differential for a International 4400 Recently Updated $995 USD RD404 6.50 Ratio,LOCKER, Inspected takeout. CORE $50.00, Yoke; 1710, Side gear; 41 Spline, Input Shaft; 39 Spline ConditionUsedRear End6.50 ratioFits To Make(s)INTERNATIONALFits To Model(s)4400Stock Number13324 MLS Number13598390CategoryDifferentials, Rear Last Updated11/4/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RS402-4.56 Rear Differential Recently Updated $750 USD RS402 4.56 CORE, Yoke; 1710, Side gear; 41 Spline, Input; 39 Spline ConditionUsedRear End4.56 ratioStock Number12900 MLS Number13531771CategoryDifferentials, Rear Last Updated11/4/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RS402-3.70 Rear Differential Recently Updated $750 USD RS402 3.70 CORE Bearing fail Yoke 1710 full round, Side gears 41 Spline, Input 39 Spline, ConditionUsedRear End3.70 ratioStock Number12605 MLS Number13400548CategoryDifferentials, Rear Last Updated11/4/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 Eaton RSP40-3.70 Rear Differential Recently Updated $250 USD RSP40 3.70 CORE Bad pinion bearings, Yoke 1710 Full round, Side gear 41 Spline, Input 39 Spline, ConditionUsedRear End3.70 ratioStock Number12550 MLS Number13376964CategoryDifferentials, Rear Last Updated11/4/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RS404 Rear Differential Recently Updated $775 USD RS404 3.70 Inspected takeout Yoke 1710 Open, Side gear 41 Spline, Input 39 Spline ConditionUsedRear End3.55 ratioStock Number12549 MLS Number13376963CategoryDifferentials, Rear Last Updated11/4/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2010 Eaton RSH40 Rear Differential for a Kenworth T800 $795 USD RSH40 3.90 Inspected takeout +$150 core exchange *must be like for like*, Yoke; 1710, Side gear; 41 Spline, Input shaft; 39 Spline ConditionUsedRear End3.90 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number15303 MLS Number13861021CategoryDifferentials, Rear Last Updated10/31/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
6 0 Eaton RS404-3.25 Rear Differential $1,525 USD RS404 3.25 Rebuilt + $250 Core, Yoke N/A, Side gears 41 Spline, Input 39 Spline ConditionRemanufacturedRear End3.25 ratioStock Number12830 MLS Number13496386CategoryDifferentials, Rear Last Updated11/4/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RSP40-3.08 Rear Differential $899 USD 3.08 ratio, Eaton/Spicer rear differential, RSP40. +$250 core, SN: HN04489308, OEM# C2-1A63BA3000000001 ConditionUsedRear End3.08 ratioStock Number11264 MLS Number13160132CategoryDifferentials, Rear Last Updated11/4/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 Eaton RSP40-3.08 Rear Differential $995 USD RSP40 3.08 ratio, Eaton/Spicer Rear differential,RSP40+150 core, OEM# C2-1A63BA3000000000 ConditionUsedRear End3.08 ratioStock Number11260 MLS Number13160124CategoryDifferentials, Rear Last Updated10/29/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 2008 Eaton RSP40 Rear Differential for a Peterbilt 388 $500 USD RDP40 3.55 CORE ConditionUsedRear End3.55 ratioFits To Make(s)PETERBILTFits To Model(s)388Stock Number15070 MLS Number13815359CategoryDifferentials, Rear Last Updated10/28/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
3 0 1993 Eaton RS402-3.70 Rear Differential for a Kenworth T800 $949.95 USD RS402 3.70 Inspected takeout +$500 core, Yoke 1710 Full round, Side gears 41 Spline, Input 39Spline ConditionUsedRear End3.70 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number12555 MLS Number13376969CategoryDifferentials, Rear Last Updated10/29/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
2 0 1996 Eaton Rear Differential for a Kenworth T800 $895 USD RC402-3.70 Core LOCKER, 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 Updated10/28/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 2019 Eaton RDP40-3.90 Rear Differential for a Peterbilt 567 $1,495 USD RDP40 3.90 LOCKER Inspected Takeout Rear Differential, + 950 core, Capacity: 40K, Yoke: SPL170, SideGear: 41 Spline, Input: 39 Spline, ConditionUsedRear End3.90 ratioFits To Make(s)PETERBILTFits To Model(s)567Stock Number14958 MLS Number13808875CategoryDifferentials, Rear Last Updated10/19/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info