View 4 Photos View 0 Videos Eaton RS404 Rear Differential for a 2009 Kenworth T300 Newly Listed Contact for price (Used) 2009 Kenworth T300, DIFFERENTIAL GEARS ONLY- REMANUFACTURED!! Serial Number: M318540, Make: Eaton, Model: RS404, Ratio: 4.88, Capacity: 21,000 Lbs, Reference images for condition, For... ConditionUsedRear End4.88 ratioFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2009Stock NumberP-513775 MLS Number14624407CategoryDifferentials, Rear Last Updated9/24/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2012 Eaton RS404 Rear Differential for a Freightliner Cascadia Recently Updated $585 USD (USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)FreightlinerFits To Model(s)CASCADIAStock Number25406685 MLS Number12642186CategoryDifferentials, Rear Last Updated9/23/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2003 Eaton RS404 Rear Differential for a International 4400 $425 USD (USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 129543 ConditionUsedFits To Make(s)InternationalFits To Model(s)4400Stock Number25591901 MLS Number12632162CategoryDifferentials, Rear Last Updated9/5/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2008 Eaton RS404 Rear Differential for a International Prostar $455 USD (USED) Eaton RS404 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)InternationalFits To Model(s)PROSTARStock Number25651667 MLS Number12881906CategoryDifferentials, Rear Last Updated9/5/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1999 Eaton RS404 Rear Differential for a Kenworth W900L $325 USD (USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 ConditionUsedFits To Make(s)KenworthFits To Model(s)W900LStock Number25983371 MLS Number14357575CategoryDifferentials, Rear Last Updated8/30/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton RS404 Rear Differential $500 USD Good used Eaton DS404 Rear, Rear Differential Assembly. 3.70 Ratio. 90 day guarantee for swap or refund Quantity6ConditionUsedRear End3.70 ratioStock NumberRyd RS404/3.70/41 MLS Number10295744CategoryDifferentials, Rear Last Updated8/26/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Eaton RS404 Rear Differential $850 USD RS404-336 - Refurbished ConditionUsedRear End3.36 ratioStock NumberRS404-336-REF MLS Number14028787CategoryDifferentials, Rear Last Updated8/27/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Eaton RS404 Rear Differential for a Unmarked N/A $500 USD RS404 - 4.11 Ratio - Pullout - Grade A - Unit In Good Condition. P/N 0595061, (213640) ConditionUsedRear End4.11 ratioFits To Make(s)UnmarkedFits To Model(s)N/AStock Number4539412 MLS Number13893113CategoryDifferentials, Rear Last Updated8/20/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential $800 USD #5. RS404. Hub to Hub. Ratio: 3.58. Used, Core Charge: 100.00, Ratio: 3.58 ConditionUsedRear End3.58 ratioStock Number168894 MLS Number12214006CategoryDifferentials, Rear Last Updated8/20/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton RS404 Rear Differential for a 2003 Peterbilt 379 $795 USD RS404 3.55 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250.00, Ratio: 3.55 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2003Part NumberRSP40 RSP41 RS404Stock Number122124-3 MLS Number13315630CategoryDifferentials, Rear Last Updated8/5/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton RS404 Rear Differential $1,550 USD Weller reman diff. p/n 1415238 Eaton RS404 3.90R, Core Charge: 600.00, Ratio: 3.90 ConditionUsedRear End3.90 ratioStock Number172665 MLS Number14242491CategoryDifferentials, Rear Last Updated8/20/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 1997 Eaton RS404 Rear Differential $500 USD RS404 - 5.29 Ratio - Pullout - Grade A - Unit In Good Condition. ConditionUsedRear End5.29 ratioStock Number120-30C MLS Number13887974CategoryDifferentials, Rear Last Updated7/24/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2000 Eaton RS404 Rear Differential for a Sterling A9513 $425 USD (USED) Eaton RS404 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351 ConditionUsedFits To Make(s)SterlingFits To Model(s)A9513Stock Number25469882 MLS Number12275817CategoryDifferentials, Rear Last Updated7/12/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1996 Eaton RS404 Rear Differential for a Volvo VNL Contact for price Eaton RS404- Rear Rear Diff - 3.90 Ratio - Pullout - DIFF ONLY. P/N- 214952, S/N- H963477865 ConditionUsedRear End3.90 ratioFits To Make(s)VOLVOFits To Model(s)VNLStock Number4521-3 MLS Number14448104CategoryDifferentials, Rear Last Updated6/28/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2012 Eaton RS404 Rear Differential for a International Transtar (8600) $455 USD (USED) Eaton RS404 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)InternationalFits To Model(s)TRANSTAR (8600)Stock Number25816538 MLS Number13709024CategoryDifferentials, Rear Last Updated6/11/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2004 Eaton RS404 Rear Differential for a Freightliner COLUMBIA 120 $500 USD GOOD USED EATON RST40-370 REAR/REAR DIFFERENTIAL EXC EATON@ 675908 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)COLUMBIA 120Stock Number145046 MLS Number13651640CategoryDifferentials, Rear Last Updated6/4/2026 LocationOil City, LA, US Sold ByBobby Johnson Equipment Co., Inc. (855) 946-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Eaton RS404 Rear Differential $300 USD Core - RS404-336 - Grade C - Rebuildable - Bad Gearset, Ring Gear is pitted, case looks good. s/n HN03168226, p/n S11-21998-336 ConditionUsedRear End3.36 ratioStock Number32362 MLS Number14386826CategoryDifferentials, Rear Last Updated5/28/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Eaton RS404 Rear Differential $300 USD Core - RS404-370 - Grade C - rebuildable - Tail bearing has some movement, but is wornout, good gear set. ConditionUsedRear End3.70 ratioStock Number32361 MLS Number14386825CategoryDifferentials, Rear Last Updated5/28/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential for a 2003 Kenworth T300 $695 USD RS404 4.63 RATIO, USED TAKEOUT. WILL INSPECT IN OUR GEARSHOP, 90 DAY WARRANTY., Ratio: 4.63 ConditionUsedRear End4.63 ratioFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2003Stock Number22726-3 MLS Number14231498CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential for a 2010 International PROSTAR $695 USD RS404 3.55 RATIO USED TAKEOUT. WILL INSPECT IN OUR GEARSHOP 90 DAY WARRANTY., Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)InternationalFits To Model(s)PROSTARWill Fit Year(s)2010Stock Number20226-2 MLS Number14123526CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton RS404 Rear Differential for a 2000 Kenworth T800 $695 USD RS404 3.90 RATIO USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY., Axle Spline Count: 41, Ratio: 3.90, Casting#: 127608 ConditionUsedRear End3.90 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2000Stock Number10826-2 MLS Number14087670CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential for a 1996 Kenworth T600 $595 USD GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250.00, Ratio: 355 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Will Fit Year(s)1996Part NumberRS404Stock Number71125-4 MLS Number13706538CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton RS404 Rear Differential for a 1998 Volvo VN $795 USD GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 250.00, Ratio: 3.70 ConditionUsedRear End3.70 ratioFits To Make(s)VolvoFits To Model(s)VNWill Fit Year(s)1998Part NumberRS404Stock Number50625-4 MLS Number13565536CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential for a 1996 Volvo WCA Areo Series $595 USD RS404 3.55 GOOD INSPECTED TAKEOUT 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 150.00, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)VolvoFits To Model(s)WCA Areo SeriesWill Fit Year(s)1996Part NumberRS404Stock Number31525-5 MLS Number13458345CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS404 Rear Differential for a 1994 International F-8100 $550 USD RS404 3.08, 294K MILES, INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.08 ConditionUsedRear End3.08 ratioFits To Make(s)InternationalFits To Model(s)F-8100Will Fit Year(s)1994Part NumberRS404Stock Number10325-4 MLS Number13328318CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info