View 7 Photos View 0 Videos Eaton RSP40 Rear Differential Recently Updated $1,225 USD RSP40 3.36 REBUILT +$450 Core, Yoke: N/A, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionRemanufacturedRear End3.36 ratioStock Number15069 MLS Number13815358CategoryDifferentials, Rear Last Updated1/6/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 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 Updated12/16/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2016 Eaton RSP40 Rear Differential for a Peterbilt 579 $899 USD RSP40 3.55 Inspected Takeout +$250 Core, Capacity: 40K, Ratio: 3.55, Yoke: 1710, Side Gear: 41 Spline, Input: 39 Spline ConditionUsedRear End3.55 ratioFits To Make(s)PETERBILTFits To Model(s)579Stock Number14929 MLS Number13806984CategoryDifferentials, Rear Last Updated12/16/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton RSP40 Rear Differential $899 USD RSP40 3.36 Takeout +$250 Core, SN: HN02538631, OEM# C05-140601H4A00336 ConditionUsedRear End3.36 ratioStock Number11393 MLS Number13175901CategoryDifferentials, Rear Last Updated12/16/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2012 Eaton RSP40 Rear Differential for a Kenworth T660 $899 USD RSP40 3.42 Takeout +$250 core, SN: HN03631464, OEM# C05-541112221101034 ConditionUsedRear End3.42 ratioFits To Make(s)KENWORTHFits To Model(s)T660Stock Number11258 MLS Number13160120CategoryDifferentials, Rear Last Updated12/16/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2004 Eaton RSP40 Rear Differential for a Peterbilt 379 $899 USD Eaton RSP40 3.36 Inspected Takeout +$250 Core, Capacity: 40K, Ratio: 3.36, Yoke: 1710, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker ConditionUsedRear End3.36 ratioFits To Make(s)PETERBILTFits To Model(s)379Stock Number15369 MLS Number13876411CategoryDifferentials, Rear Last Updated11/14/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton RSP40 Rear Differential $500 USD RSP40 3.55 Rebuildable core, Yoke; N/A, Side gear; 41 Spline, Input shaft; 39 Spline. ConditionUsedRear End3.55 ratioStock Number15392 MLS Number13880872CategoryDifferentials, Rear Last Updated10/11/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info