View 3 Photos View 0 Videos 2001 Eaton-Spicer RS404R390 Rear Differential $350.24 USD EATON-SPICER, RS404, 3.90 RATIO ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2531187 MLS Number14489903CategoryDifferentials, Rear Last Updated7/17/2026 LocationEaston, MD, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2000 Eaton-Spicer RS404R390 Rear Differential $350.24 USD RS404-3.90 ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2511868 MLS Number13571657CategoryDifferentials, Rear Last Updated6/25/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos 1997 Eaton-Spicer RS404R390 Rear Differential $350.24 USD ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2563320 MLS Number14212287CategoryDifferentials, Rear Last Updated5/15/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1999 Eaton-Spicer RS404R390 Rear Differential $600.24 USD ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2516096 MLS Number13641450CategoryDifferentials, Rear Last Updated5/14/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer RS404R390 Rear Differential $350.24 USD ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2637931 MLS Number14337567CategoryDifferentials, Rear Last Updated4/29/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1998 Eaton-Spicer RS404R390 Rear Differential $882.34 USD ConditionRemanufacturedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2634108 MLS Number14317382CategoryDifferentials, Rear Last Updated4/29/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Eaton-Spicer RS404R390 Rear Differential $350.24 USD ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2426673 MLS Number14178424CategoryDifferentials, Rear Last Updated4/29/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2006 Eaton-Spicer RS404R390 Rear Differential $350.24 USD ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2185947 MLS Number14207893CategoryDifferentials, Rear Last Updated4/29/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2003 Eaton-Spicer RS404R390 Rear Differential $882.34 USD ConditionRemanufacturedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2077668 MLS Number12314839CategoryDifferentials, Rear Last Updated4/29/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton-Spicer RS404R390 Rear Differential $1,125 USD ConditionRemanufacturedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2554765 MLS Number13820254CategoryDifferentials, Rear Last Updated4/29/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2007 Eaton-Spicer RS404R390 Rear Differential $1,125 USD ConditionRemanufacturedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2311041 MLS Number12391264CategoryDifferentials, Rear Last Updated4/29/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton-Spicer RS404R390 Rear Differential $882.34 USD ConditionRemanufacturedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock NumberD1839236 MLS Number13109449CategoryDifferentials, Rear Last Updated4/29/2026 LocationEaston, MD, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer RS404R390 Rear Differential $350.24 USD ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2434983 MLS Number14178472CategoryDifferentials, Rear Last Updated4/29/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer RS404R390 Rear Differential $350.24 USD ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2403300 MLS Number14178255CategoryDifferentials, Rear Last Updated4/29/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer RS404R390 Rear Differential $2,725 USD NEW RS404 3.90 RATIO SERIAL# HN8493469 ConditionNewRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2499366 MLS Number14218839CategoryDifferentials, Rear Last Updated4/29/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer RS404R390 Rear Differential $2,725.14 USD ConditionNewRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2247512 MLS Number14218778CategoryDifferentials, Rear Last Updated4/29/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2006 Eaton-Spicer RS404R390 Rear Differential $882.34 USD ConditionRemanufacturedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2113340 MLS Number11103591CategoryDifferentials, Rear Last Updated4/29/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer RS404R390 Rear Differential $600.24 USD ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2245046 MLS Number11999177CategoryDifferentials, Rear Last Updated4/29/2026 LocationSpokane Valley, WA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1994 Eaton-Spicer RS404R390 Rear Differential $600.24 USD ConditionUsedRear End3.90 ratioFits To Make(s)EATON-SPICERFits To Model(s)RS404R390Stock Number2258645 MLS Number13470896CategoryDifferentials, Rear Last Updated4/29/2026 LocationWatseka, IL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info