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 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 5 Photos View 0 Videos Eaton RS402-3.70 Rear Differential $750 USD RS402-3.70 Core,, ring pinion damage, Yoke 1710 open, Side gear 41spline, Input 39 spline, ConditionUsedRear End3.70 ratioStock Number12461 MLS Number13355858CategoryDifferentials, Rear Last Updated12/19/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Eaton RS402-3.70 Rear Differential $949.95 USD RS402 3.70 Inspected takeout +$500 Core, Yoke 1710 Full round, Side gears 41 Spline, Input 39 Spline ConditionUsedRear End3.70 ratioStock Number12559 MLS Number13376973CategoryDifferentials, Rear Last Updated9/18/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info