View 8 Photos View 0 Videos Eaton RDH40 Rear Differential Recently Updated $1,225 USD RDH40 4.11 LOCKER Inspected Take out Rear Differential, + 300 Core Charge, Capacity: 40K, Yoke: 1710, Side Gear: 41 Spline, Input: 39 Spline, ConditionUsedRear End4.11 ratioStock Number14959 MLS Number13808876CategoryDifferentials, Rear Last Updated2/17/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2023 Eaton RDH40 Rear Differential for a Kenworth T880 Recently Updated $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 Updated2/13/2026 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 RDP41-4.11 Rear Differential for a Kenworth T400 Recently Updated $1,500 USD RDP41 4.11 LOCKER Inspected Take Out + $1200 Core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines, Locker ConditionUsedRear End4.11 ratioFits To Make(s)KENWORTHFits To Model(s)T400Stock Number16070 MLS Number14030192CategoryDifferentials, Rear Last Updated2/13/2026 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 Recently Updated $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 Updated2/13/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Eaton RS402 Rear Differential Recently Updated $949.95 USD Eaton RS 402 4.33 Inspected Take out + $500 Core, Rear Differential, Capacity 40K, Ratio: 4.33, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionUsedRear End4.33 ratioStock Number15089 MLS Number13820100CategoryDifferentials, Rear Last Updated2/13/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Eaton RSP40-3.08 Rear Differential Recently Updated $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 Updated2/13/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2014 Eaton RSP41 Rear Differential for a Peterbilt 579 Recently Updated $795 USD RSP41 3.42 Takeout +$150 core, SN: HN04250094, OEM# C2-1C13GB2000000000 ConditionUsedRear End3.42 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number11259 MLS Number13160121CategoryDifferentials, Rear Last Updated2/13/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton RS404-3.25 Rear Differential Newly Listed $899.95 USD RS404 3.25 Inspected Takeout +$250 Core, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non Locker, ConditionUsedRear End3.25 ratioStock Number16551 MLS Number14139704CategoryDifferentials, Rear Last Updated2/13/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2010 Eaton R170-4.30 Rear Differential for a Peterbilt 335 Newly Listed $1,795 USD R170 4.30 Inspected Takeout +$750 Core, 46K Capacity, Yoke: 1760, Side Gear: 46 Splines, Input: 46 Splines, Non-Locker ConditionUsedRear End4.30 ratioFits To Make(s)PETERBILTFits To Model(s)335Stock Number16550 MLS Number14139702CategoryDifferentials, Rear Last Updated2/13/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Eaton RS404-3.90 Rear Differential Recently Updated $1,495 USD Eaton RS404 3.90 REBUILT+$250 Core, Capacity: 40K, Ratio: 3.90, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionRemanufacturedRear End3.90 ratioStock Number15366 MLS Number13876408CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Eaton RSP40 Rear Differential Recently Updated $1,595 USD RSP40 3.36 REBUILT +$350 Core, Yoke: N/A, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionRemanufacturedRear End3.36 ratioStock Number15069 MLS Number13815358CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2001 Eaton RS404-3.90 Rear Differential for a Peterbilt 379 Recently Updated $1,495 USD RS404 3.90 REBUILT+$250 core, Yoke; 1710, Side gear; 41 Spline, Input shaft; 39 spline ConditionRemanufacturedRear End3.90 ratioFits To Make(s)PETERBILTFits To Model(s)379Stock Number14993 MLS Number13810843CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2016 Eaton RDH40 Rear Differential for a Kenworth T880 Recently Updated $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 Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2018 Eaton RSH40-3.25 Rear Differential for a Kenworth T880 Recently Updated $899 USD RSH40 3.25 Inspected Takeout +$250 Core, Yoke: SPL 170, Side Gear: 41 Spline, Input: 39 Spline, Non locker ConditionUsedRear End3.25 ratioFits To Make(s)KENWORTHFits To Model(s)T880Stock Number14601 MLS Number13755066CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Eaton RSP40-3.55 Rear Differential Recently Updated $1,595 USD Eaton RSP40 3.55 REBUILT +$ 350 Core, Non locker, Side gear: 41 Splines, Input: 39 Splines, 40K capacity ConditionRemanufacturedRear End3.55 ratioStock Number14570 MLS Number13746990CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Eaton RSP40-3.70 Rear Differential Recently Updated $1,595 USD RSP40 3.70 REBUILT +$350Core, Yoke N/A, Side gear: 41 Spline, Input : 39 Spline, Non- Locker, ConditionRemanufacturedRear End3.70 ratioStock Number12550 MLS Number13376964CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Eaton Rear Differential Recently Updated $775 USD RS404 3.70 Inspected takeout +$100 Core, Yoke 1710 Open, Side gear 41 Spline, Input 39 Spline, Non Locker ConditionUsedRear End3.55 ratioStock Number12549 MLS Number13376963CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2015 Eaton RS404-3.36 Rear Differential for a Kenworth T680 Price Drop $899.95 USD RS404 3.36 Inspected takeout +$250 CORE, Yoke 1710 Open, Side gears 41 Spline, Input 39 Spline, Non Locker ConditionUsedRear End3.36 ratioFits To Make(s)KENWORTHFits To Model(s)T680Stock Number12545 MLS Number13376959CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Eaton RS402-3.55 Rear Differential Recently Updated $1,895 USD RS402 3.55 Rebuilt +$650 Core, Yoke N/A, Side gear 41 Spline, Input 39 Spline, Non-Locker ConditionRemanufacturedRear End3.55 ratioStock Number12538 MLS Number13376952CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 1990 Eaton RS402-3.70 Rear Differential for a Peterbilt 379 Recently Updated $1,795 USD RS402 3.70 REBUILT +$650 Core, Yoke N/A, side gear 41 spline, Input 39 Spline, Non Locker ConditionRemanufacturedRear End3.70 ratioFits To Make(s)PETERBILTFits To Model(s)379Stock Number12275 MLS Number13313949CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2001 Eaton Rear Differential for a International 9400I Recently Updated $649.95 USD Eaton RS404 3.55 Inspected Takeout +$Core 150, Capacity: 110K, Ratio: 3.55, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionUsedFits To Make(s)INTERNATIONALFits To Model(s)9400IStock Number12330 MLS Number13864320CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2015 Eaton R46-170D Rear Differential for a Peterbilt 320 Recently Updated $2,250 USD R46-170D 5.25 LOCKER Takeout +$750 Core, 1710 yoke, OEM# C2-2D15DE1000000000, SN: HN05076424 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)320Stock Number281 MLS Number13175894CategoryDifferentials, Rear Last Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Eaton RSP40-3.70 Rear Differential $899.95 USD RSP40 3.70 Takeout +$150 Core, SN: HN01433875, OEM# S11-21808-370/509826 ConditionUsedRear End3.70 ratioStock Number11196 MLS Number13146715CategoryDifferentials, Rear Last Updated2/4/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Eaton RS402-3.70 Rear Differential $1,895 USD RS402 3.70 Rebuilt (with Detroit Locker) +$650 Core, Yoke: N/A, Side Gear: 41 Splines, Input: 39 Splines, Non-locker, Has a Detroit Locker, ConditionRemanufacturedRear End3.70 ratioStock Number16080 MLS Number14045106CategoryDifferentials, Rear Last Updated2/3/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Eaton RSH40-3.70 Rear Differential $899 USD RSH40 3.70 Inspected takeout +$250 core, Old stock, mileage unknown. Exchange Yoke; 1710, Side gear; 41 Spline, Input shaft; 39 Spline ConditionUsedRear End3.70 ratioStock Number13992 MLS Number13659359CategoryDifferentials, Rear Last Updated2/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info