View 2 Photos View 0 Videos Eaton RS402 Differential Part Recently Updated $43.12 USD 127721 - Drive Axle Seal Application RS402 Complete Assembly, Industry Number 127721, Notes Oil Seal - Drive Pinion Quantity2ConditionNewStock Number127721 MLS Number13999910CategoryDifferential Misc. Parts Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS402 Differential Part Recently Updated $231 USD Bearing and Seal Kit RS402, World American for OEM # 99041, EATON RS341/381/401/402/451 ConditionNewStock NumberRA1AR MLS Number13999900CategoryDifferential Misc. Parts Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS402 Differential Part Recently Updated $346.50 USD Ring and Pinion Spiral gear set, 4.11 Ratio RS402/401/451 Late Pinion Shank 4.11 Ratio Rear 9 Pinion teeth, 37 ring gear teeth 16.5 inch ring gear O.D. ConditionNewStock Number218000 MLS Number13999873CategoryDifferential Misc. Parts Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS402 Differential Part Recently Updated $5.39 USD Locking Nut, 1 1/2-18 Single axle diff-Single reduction Quantity4ConditionNewStock Number95206 MLS Number13999865CategoryDifferential Misc. Parts Last Updated1/28/2026 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 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 Updated1/23/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Eaton DSH40 Front Differential Recently Updated $1,295 USD Eaton DSH40 3.90 Inspected Takeout + $350 Core, Ratio: 3.90, Yoke: 1810, Side Gear: 41 Splines, Input: 44 Splines, Non- Locker ConditionUsedStock Number15428 MLS Number13910092CategoryDifferentials, Front Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Eaton DSP40-355 Front Differential Recently Updated $1,295 USD Eaton DSP40 3.55 Inspected Takeout +$350 Core, Ratio: 3.55, Yoke: 1810, Side Gear: 41 Splines, Input: 44 Splines, Non-Locker, ConditionUsedStock Number15427 MLS Number13908218CategoryDifferentials, Front Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Eaton 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 Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Eaton RSP40 Rear Axle Housing for a Peterbilt Recently Updated $999.99 USD Eaton RSP40 Housing Rear, Rear, Peterbilt Flex Air / AG 380 Suspension, will work with new style Low air leaf/AG400L that does not have welded on perches. ConditionUsedFits To Make(s)PETERBILTStock Number15424 MLS Number13908215CategoryAxle Housings, Rear Last Updated1/22/2026 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 Recently Updated $500 USD RSP40 3.55 CORE ConditionUsedRear End3.55 ratioFits To Make(s)PETERBILTFits To Model(s)388Stock Number15070 MLS Number13815359CategoryDifferentials, Rear Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Eaton DS404-3.36 Front Differential Recently Updated $500 USD Eaton DS404 3.36 CORE - Ring and Pinion Damage, Yoke: 1810, Side Gear: 41 spline, Input : 44Spline, Non-Locker ConditionUsedStock Number14569 MLS Number13746989CategoryDifferentials, Front Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1997 Eaton DS404-4.33 Front Differential for a Volvo Truck WG Recently Updated $700 USD DS404 4.33 CORE, Yoke: 1760, Side gear: 41 Spline, Input: 44 Spline ConditionUsedFits To Make(s)VOLVO TRUCKFits To Model(s)WGStock Number12552 MLS Number13376966CategoryDifferentials, Front Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1996 Eaton Rear Differential for a Kenworth T800 Recently Updated $895 USD RT402-3.70 Core Two speed, 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 Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton 461P Differential Part Recently Updated $88.41 USD thru shaft bearing DS461 Quantity4ConditionNewPart Numberma1211elStock Numberma1211 MLS Number9004993CategoryDifferential Misc. Parts Last Updated1/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton DS404-3.55 Rear Differential Recently Updated $750 USD DS404 3.55 REBUILDABLE CORE, Some rust on ring gear. ConditionUsedRear End3.55 ratioStock Number11267 MLS Number13160138CategoryDifferentials, Rear Last Updated1/22/2026 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2000 Eaton RS404 Rear Differential for a Volvo VNL Price Drop $325 USD (USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 ConditionUsedFits To Make(s)VolvoFits To Model(s)VNLStock Number25691721 MLS Number13349502CategoryDifferentials, Rear Last Updated1/22/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2017 Eaton E-1322I Front Axle Assembly for a Kenworth T680 Recently Updated $1,210 USD (USED) Eaton E-1322I Rating: 13200 Brake Type: AIR DISC Spring Center: 34 Wheel Type: 10 BOLT PILOT 693905 ABS ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Stock Number25684452 MLS Number13045131CategoryAxle Assemblies, Front Last Updated1/23/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Reconditioned Eaton DS-404 Air Leaf Axle Housing $2,450 USD Reconditioned DS-404 Air Leaf Axle Housing, Position: Front ConditionRemanufacturedFits To Make(s)EatonPart Number321501Stock Number300-26907 MLS Number14103104CategoryAxle Housings Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2006 Used Eaton Passenger Side Spindle $780 USD Used Eaton Passenger Side Spindle, Side: Passenger, ABS: Yes ConditionUsedFits To Make(s)EatonFits To Model(s)E1202iWill Fit Year(s)2006SidePassengerPart Number971833Stock Number401-21048 MLS Number14103103CategorySpindles / Knuckles Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2006 Used Eaton Driver Side Spindle $1,189 USD Used Eaton Driver Side Spindle, Side: Driver, ABS: Yes ConditionUsedFits To Make(s)EatonFits To Model(s)E1202iWill Fit Year(s)2006SideDriverPart Number971941Stock Number401-21047 MLS Number14103102CategorySpindles / Knuckles Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Reconditioned Eaton RS-404 Low Air Leaf Axle Housing $2,450 USD Reconditioned RS-404 Low Air Leaf Axle Housing, Position: Rear Quantity4ConditionRemanufacturedPart Number319974Stock Number300-26796 MLS Number14080545CategoryAxle Housings Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2006 Eaton RS404 Rear Axle Housing for a International 9200I $850 USD Eaton Rear Axle Housing, RS404, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. P/N 320594, 10046960. Removed From 2006 International Corporate Air/IROS Suspension. ConditionUsedFits To Make(s)INTERNATIONALFits To Model(s)9200IStock Number4226-23 MLS Number14077708CategoryAxle Housings, Rear Last Updated1/21/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2006 Eaton DS404 Front Axle Housing for a International 9200I $850 USD Eaton Front Rear Axle Housing, DS404, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes. P/N 321622. Removed From 2006 International Corporate Air/IROS Suspension. ConditionUsedFits To Make(s)INTERNATIONALFits To Model(s)9200IStock Number4226-22 MLS Number14077706CategoryAxle Housings, Front Last Updated1/21/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton RSP41 Rear Axle Housing $850 USD Eaton Rear Axle Housing, RSP41, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. P/N 321078. Removed From Peterbilt Air Leaf Suspension. HOUSING ONLY, DIFF SOLD SEPARATELY. ConditionUsedStock Number25743 MLS Number13909483CategoryAxle Housings, Rear Last Updated1/21/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton RSP41 Rear Differential $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 Updated1/21/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info