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 2 Photos View 0 Videos Eaton RS404 Rear Differential for a 1999 Kenworth T800 $795 USD RS404 3.90 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Ratio: 3.90, Casting#: NA ConditionUsedRear End3.90 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)1999Part NumberRS-404Stock Number52321-9 MLS Number10803325CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton RS404 Rear Differential for a Kenworth T800 $950 USD Livraison partout au Canada États-Unis. We ship anywhere in Canada USA. - Stock: 6403D - Eaton Spicer - RS404, Ratio 4.11 - 40 000 lbs, ARRIÈRE, SANS Lock - 40 000 lbs, REAR rear ,... ConditionUsedRear End4.11 ratioFits To Make(s)KenworthFits To Model(s)T800Stock Number6403D MLS Number13971246CategoryDifferentials, Rear Last Updated7/10/2026 LocationBeauceville, QC, Canada Sold ByCamions Gilbert (888) 595-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2001 Eaton RS404 Rear Differential for a Kenworth T800 $500 USD RS404 - 3.55 Ratio - Pullout - P/N 509825. DIFF ONLY, HOUSING SOLD SEPARATELY. ConditionUsedRear End3.55 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number629-4 MLS Number13887046CategoryDifferentials, Rear Last Updated4/14/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1996 Eaton RS404 Rear Differential for a Kenworth T800 $850 USD GTO 100 DAY WARRANTY ConditionUsedRear End3.90 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number12721 MLS Number10532848CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2001 Eaton RS404 Rear Differential for a Kenworth T800 $850 USD GTO 30DAY WARRANTY ConditionUsedRear End3.90 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number9096 MLS Number10532610CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2000 Eaton RS404 Rear Differential for a Kenworth T800 $595 USD (USED) Eaton RS404 Ratio: 4.11 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Stock Number26020028 MLS Number14506232CategoryDifferentials, Rear Last Updated7/25/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2000 Eaton RS404 Rear Differential for a Kenworth T800 $595 USD (USED) Eaton RS404 Ratio: 4.11 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 Ref# N/A MISSING OEM TAG ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Part NumberN/AStock Number26015931 MLS Number14438859CategoryDifferentials, Rear Last Updated7/4/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS404 Rear Differential for a 1998 Kenworth T800 Contact for price ABS, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)1998Stock Number782845-5 MLS Number9390977CategoryDifferentials, Rear Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2006 Eaton RS404 Rear Differential for a Kenworth T800 $750 USD GTO ConditionUsedRear End3.36 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number25849 MLS Number11429098CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2002 Eaton RS404 Rear Differential for a Kenworth T800 $750 USD GTO ConditionUsedRear End4.11 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number23957 MLS Number10534733CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2004 Eaton RS404 Rear Differential for a Kenworth T800 $750 USD GTO ConditionUsedRear End3.70 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number23563 MLS Number10534592CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1999 Eaton RS404 Rear Differential for a Kenworth T800 $750 USD GTO ConditionUsedRear End3.70 ratioFits To Make(s)KENWORTHFits To Model(s)T800Stock Number22899 MLS Number10534373CategoryDifferentials, Rear Last Updated12/15/2025 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info