View 1 Photo View 0 Videos 2017 Eaton RSP40 Rear Differential for a Kenworth T680 Newly Listed $500 USD RSP40 - 3.36 Ratio - Pullout - P/N 511328 ConditionUsedRear End3.36 ratioFits To Make(s)KENWORTHFits To Model(s)T680Stock Number2017-27 MLS Number14140676CategoryDifferentials, Rear Last Updated2/12/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ 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 Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 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 Updated2/12/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 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 3 Photos View 0 Videos 2013 Eaton RSP40 Rear Differential for a Peterbilt 386 Recently Updated $375 USD (USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Stock Number25800363 MLS Number13602777CategoryDifferentials, Rear Last Updated2/12/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1999 Eaton S175S Rear Differential for a International 4700 Recently Updated $375 USD (USED) Eaton S175S Ratio: 3.42 Side Gear Splines: 46 W/ Locker: NO Cast#: 401CF102 ConditionUsedFits To Make(s)InternationalFits To Model(s)4700Stock Number25815660 MLS Number13660916CategoryDifferentials, Rear Last Updated2/12/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Eaton RSP40 Rear Differential Newly Listed $500 USD Good used Eaton RSP40 Rear, Rear Differential Assembly. 2.64 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End2.64 ratioFits To Make(s)EATONFits To Model(s)RSP40Stock NumberRyd RSP40/2.64/41 MLS Number14137029CategoryDifferentials, Rear Last Updated2/11/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton RSP41 Rear Differential Newly Listed $495 USD INSPECTED TAKEOUT RSP41 4.88 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE, Axle Spline Count: 41, Serial#: 62181, Core Charge: EXCHANGE, Ratio: 4.88 ConditionUsedPart Number62181Stock Number62181 MLS Number14134177CategoryDifferentials, Rear Last Updated2/10/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1998 Eaton 15040S Rear Differential for a GMC C6500 Recently Updated $725 USD (USED) Eaton 15040S Ratio: 4.33 Side Gear Splines: 34 W/ Locker: NO Cast#: 210316 ConditionUsedFits To Make(s)GMCFits To Model(s)C6500Stock Number25652159 MLS Number12882221CategoryDifferentials, Rear Last Updated2/8/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2014 Eaton RSP41 Rear Differential for a Kenworth T660 Recently Updated $795 USD USED EATON RSP41 (REAR) REAR DIFFERENTIAL, RATIO 3.25 ConditionUsedRear End3.25 ratioFits To Make(s)KENWORTHFits To Model(s)T660Stock Number85378 MLS Number12832400CategoryDifferentials, Rear Last Updated2/7/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton RSP41 Rear Differential Recently Updated $500 USD RSP41 - 3.70 Ratio - Pullout - P/N 511330 (676035). DIFF ONLY, HOUSING SOLD SEPARATELY. ConditionUsedRear End3.70 ratioStock Number25742 MLS Number13909482CategoryDifferentials, Rear Last Updated2/6/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton RSP40 Rear Differential Newly Listed $1,295 USD REBUILT RSP40 4.88. 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVIALABLE., Axle Spline Count: 41, Serial#: 62180, Core Charge: EXCHANGE, Ratio: 4.88 ConditionRemanufacturedPart Number62180Stock Number62180 MLS Number14128542CategoryDifferentials, Rear Last Updated2/6/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2010 Eaton RSP40 Rear Differential for a Peterbilt 387 Recently Updated $350 USD (USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Stock Number25611481 MLS Number12709683CategoryDifferentials, Rear Last Updated2/6/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info