View 1 Photo View 0 Videos Eaton RS405 Rear Differential $600 USD Good used Eaton DS405 Rear, Rear Differential Assembly. 3.90 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End3.90 ratioFits To Make(s)EATONFits To Model(s)RS405Stock NumberRyd RS405/3.90/41 MLS Number10204591CategoryDifferentials, Rear Last Updated1/30/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2007 Eaton RS405 Rear Differential for a International 7600 $425 USD (USED) Eaton RS405 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)InternationalFits To Model(s)7600Stock Number25676244 MLS Number13013722CategoryDifferentials, Rear Last Updated1/29/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2000 Eaton RS405 Rear Differential for a Mack CX $425 USD (USED) Eaton RS405 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: NA ConditionUsedFits To Make(s)MackFits To Model(s)CXStock Number25789208 MLS Number13558688CategoryDifferentials, Rear Last Updated1/29/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton RS405 Rear Differential $500 USD Good used Eaton RS405 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)RS405Stock NumberRyd RS405/2.64/41 MLS Number12303040CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS405 Rear Differential $500 USD Good used Eaton RS405 Rear, Rear Differential Assembly. 3.70 Ratio. 90 day guarantee for swap or refund ConditionUsedRear End3.70 ratioFits To Make(s)EATONFits To Model(s)RS405Stock NumberRyd RS405/3.70/41 MLS Number10204630CategoryDifferentials, Rear Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton RS405 Rear Differential $600 USD Good used Eaton RS405 rear, rear differential assembly. 3.25 ratio 90 day guarantee for swap or refund ConditionUsedRear End3.25 ratioFits To Make(s)EATONFits To Model(s)RS405Stock NumberRyd RS405/3.25/41 MLS Number13162507CategoryDifferentials, Rear Last Updated7/30/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2009 Eaton RS405 Rear Differential for a International Transtar (8600) $375 USD (USED) Eaton RS405 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)InternationalFits To Model(s)TRANSTAR (8600)Stock Number25766308 MLS Number13445994CategoryDifferentials, Rear Last Updated6/26/2025 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2007 Eaton RS405 Rear Differential $550 USD 6 Month Warranty, RS405,3.55,RR,SPL170,T-O,CXN613,T18, THIN FLANGE SAME AS RS404 ConditionUsedStock NumberR04375606 MLS Number13092939CategoryDifferentials, Rear Last Updated1/2/2025 LocationSpokane Valley, WA, US Sold BySpalding Truck Parts (833) 432-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2012 Eaton RS405 Rear Differential $550 USD 6 Month Warranty,RS405,RR,3.36,1710,THICK FLANGE ConditionUsedStock NumberR06523095 MLS Number13092871CategoryDifferentials, Rear Last Updated1/2/2025 LocationSpokane Valley, WA, US Sold BySpalding Truck Parts (833) 432-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Eaton RS405 Rear Differential Contact for price Eaton RS405 Rear Differential; 3.70 Ratio; P/N S11-17677-370. Call or message with any questions or visit our website. ConditionUsedRear End3.70 ratioStock Number1451 MLS Number10160284CategoryDifferentials, Rear Last Updated12/13/2022 LocationSpringville, PA, US Sold BySummit Core Supply (844) 329-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton RS405 Rear Differential Ratio 3.42 $650 USD USED EATON RS405 REAR DIFFERENTIAL ASSEMBLY, RATIO 3.42, 30 DAY WARRANTY, FOR MORE INFORMATION PLEASE CALL (833) 396-5166. ConditionUsedPart NumberRS405Stock NumberS4090 MLS Number10134415CategoryDifferentials, Rear Last Updated4/7/2023 LocationPalmyra, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2001 Eaton RS405 Rear Differential for a Peterbilt 387 Recently Updated $795 USD USED EATON RS405 REAR DIFFERENTIAL ASSEMBLY - RATIO: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PETERBILTFits To Model(s)387Stock Number63626 MLS Number12823104CategoryDifferentials, Rear Last Updated9/9/2026 LocationCrandall, TX, US Sold ByTim Jordan's Truck Parts Inc. (833) 359-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2001 Eaton RS405 Rear Differential for a Mack CX Newly Listed $325 USD (USED) Eaton RS405 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 307976 Ref# 307976 ConditionUsedFits To Make(s)MackFits To Model(s)CXPart Number307976Stock Number25822513 MLS Number14589317CategoryDifferentials, Rear Last Updated9/6/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2006 Eaton RS405 Rear Differential for a Freightliner Columbia 120 Newly Listed $325 USD (USED) Eaton RS405 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Columbia 120Stock Number26045201 MLS Number14587584CategoryDifferentials, Rear Last Updated9/5/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2001 Eaton RS405 Rear Differential for a Peterbilt 387 Recently Updated $850 USD GTO ConditionUsedRear End3.70 ratioFits To Make(s)PETERBILTFits To Model(s)387Stock Number18519 MLS Number10533638CategoryDifferentials, Rear Last Updated9/5/2026 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 RS405 Rear Differential for a Mack CX600 Recently Updated $750 USD NEEDS WORK ConditionUsedRear End3.90 ratioFits To Make(s)MACKFits To Model(s)CX600Stock Number15171 MLS Number10533190CategoryDifferentials, Rear Last Updated9/5/2026 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 RS405 Rear Differential for a International 9400 Recently Updated Contact for price GTO ConditionUsedRear End3.90 ratioFits To Make(s)INTERNATIONALFits To Model(s)9400Stock Number22129 MLS Number10534249CategoryDifferentials, Rear Last Updated9/5/2026 LocationDouglas, GA, US Sold ByAmerican Truck Parts, Inc. (877) 254-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2005 Eaton RS405 Rear Differential for a Mack VISION Recently Updated Contact for price GTO ConditionUsedRear End3.70 ratioFits To Make(s)MACKFits To Model(s)VISIONStock Number23342 MLS Number10534528CategoryDifferentials, Rear Last Updated9/5/2026 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 RS405 Rear Differential for a Peterbilt 330 $595 USD (USED) Eaton RS405 Ratio: 4.11 Side Gear Splines: 41 W/ Locker: NO Cast#: 127600 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)330Stock Number26041956 MLS Number14570460CategoryDifferentials, Rear Last Updated8/28/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2005 Eaton RS405 Rear Differential for a International 7600 $455 USD (USED) Eaton RS405 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825 ConditionUsedFits To Make(s)InternationalFits To Model(s)7600Stock Number25963692 MLS Number14254057CategoryDifferentials, Rear Last Updated6/25/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2003 Eaton RS405 Rear Differential for a Mack CH $325 USD (USED) Eaton RS405 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 50F5146M47 Ref# 509826 ConditionUsedFits To Make(s)MackFits To Model(s)CHPart Number509826Stock Number25991714 MLS Number14373931CategoryDifferentials, Rear Last Updated5/16/2026 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 RS405 Rear Differential Contact for price ., Ratio: 390 ConditionUsedRear End3.90 ratioStock Number385 MLS Number9389877CategoryDifferentials, 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 Eaton RS405 Rear Differential Contact for price ., Ratio: 411 ConditionUsedRear End4.11 ratioStock Number358 MLS Number9389852CategoryDifferentials, 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 Eaton RS405 Rear Differential for a 2006 International 8600 Contact for price REAR REAR EATON RS 405 3.90 NO LOCKS, Ratio: 3.90 ConditionUsedRear End3.90 ratioFits To Make(s)InternationalFits To Model(s)8600Will Fit Year(s)2006Stock Number3242-IHC-5 MLS Number13343431CategoryDifferentials, Rear Last Updated6/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton RS405 Rear Differential for a 2006 Kenworth T800 Contact for price EATON RS405 3.55 RATIO NO LOCK, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2006Stock Number1741-KW MLS Number13339957CategoryDifferentials, Rear Last Updated5/13/2026 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info