View 1 Photo View 0 Videos Eaton RS404 Rear Differential for a 1999 Peterbilt 379 $595 USD RS404 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1999Stock Number90724-4 MLS Number13118689CategoryDifferentials, 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 23105S Rear Differential $795 USD 23105S 3.90 GOOD INSPECTED TAKEOUT 90 DAY WARRANTY EXCHANGE NOTES, Axle Spline Count: GET, Serial#: NA, Core Charge: 200, Ratio: 3.9 ConditionUsedRear End3.90 ratioPart Number23105Stock Number23105 MLS Number13096389CategoryDifferentials, 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 2005 Freightliner Columbia 120 $495 USD RS404 3.70 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 300, Ratio: 3.7 ConditionUsedRear End3.70 ratioFits To Make(s)FreightlinerFits To Model(s)Columbia 120Will Fit Year(s)2005Stock Number90324-4 MLS Number13092531CategoryDifferentials, 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 2000 Western Star 4900E $695 USD RS404 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 350, Ratio: 3.55 ConditionUsedFits To Make(s)Western StarFits To Model(s)4900EWill Fit Year(s)2000Part NumberRS404Stock Number81824-6 MLS Number13083745CategoryDifferentials, 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 RSP40 Rear Differential for a 2016 Peterbilt 579 $795 USD RSP40 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 350, Ratio: 3.55 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Part NumberNAStock Number81224-2 MLS Number13068923CategoryDifferentials, 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 22065S Rear Differential for a 1987 GMC C7000 $995 USD 22065S 4.88 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 4.88 ConditionUsedRear End4.88 ratioFits To Make(s)GMCFits To Model(s)C7000Will Fit Year(s)1987Stock Number80724-3 MLS Number13057764CategoryDifferentials, 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 21060S Rear Differential for a 1998 GMC C7500 $695 USD 21060S 5.29,INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 5.29 ConditionUsedRear End5.29 ratioFits To Make(s)GMCFits To Model(s)C7500Will Fit Year(s)1998Stock Number72324-3 MLS Number13015939CategoryDifferentials, 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 RSP40 Rear Differential for a 2012 Kenworth T700 $795 USD RSP40 3.36 GOOD INSPECTED TAKEOUT/90 DAY WARRANTY, Axle Spline Count: 41, Core Charge: 350, Ratio: 3.36, Casting#: NA ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T700Will Fit Year(s)2012Part NumberRSP40Stock Number72124-4 MLS Number12997255CategoryDifferentials, 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 34RS Rear Differential for a 1974 Ford L800 $795 USD 34RS RS340 7.60 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Axle Spline Count: 16, Ratio: 760 ConditionUsedRear End7.60 ratioFits To Make(s)FordFits To Model(s)L800Will Fit Year(s)1974Stock Number62524-15 MLS Number12963219CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton 19050s Rear Differential for a 1994 GMC C7000 Topkick $795 USD 19050S 6.50 GOOD INSPECTED DIFFERENTIAL ASSEMBLY/ 90 DAY WARRANTY EXCHANGE/ CONFIRM SIDE GEAR COUNT 36/39, Axle Spline Count: GET, Serial#: NA, Core Charge: 350, Ratio: 6.5 ConditionUsedFits To Make(s)GMCFits To Model(s)C7000 TopkickWill Fit Year(s)1994Part Number19050Stock Number62624-3 MLS Number12957091CategoryDifferentials, 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 2000 Peterbilt 379 $650 USD RS404 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2000Stock Number61224-4 MLS Number12948842CategoryDifferentials, 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 $495 USD RS404 3.36 INSPECTED TAKE OUT. 90 DAY PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 14540, Core Charge: EXCHANGE, Ratio: 3.36 ConditionUsedPart Number14540Stock Number14540 MLS Number12918601CategoryDifferentials, 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 RS405 Rear Differential for a 1999 Mack CL713 $650 USD RS405 4.11 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 4.11 ConditionUsedRear End4.11 ratioFits To Make(s)MackFits To Model(s)CL713Will Fit Year(s)1999Stock Number52824-4 MLS Number12918529CategoryDifferentials, 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 RS461P Rear Differential for a 1998 Peterbilt 378 $1,250 USD RS461P 3.90 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.9 ConditionUsedRear End3.90 ratioFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1998Stock Number52624-7 MLS Number12894485CategoryDifferentials, 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 RSP40 Rear Differential for a 2000 Peterbilt 379 Contact for price RSP40 3.55 GOOD INSPECTED TAKEOUT/90 DAY WARRANTY EXCHANGE., Axle Spline Count: 41, Core Charge: 300, Ratio: 3.55, Casting#: NA ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2000Part NumberRSP40Stock Number51524-4 MLS Number12889842CategoryDifferentials, 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 RSP40 Rear Differential for a 2000 Peterbilt 379 $795 USD RSP40 3.36 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 300, Ratio: 3.36 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2000Part NumberRSP-40Stock Number50924-4 MLS Number12871404CategoryDifferentials, 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 17221 Rear Differential for a 1980 Chevrolet C70 $1,195 USD 17221 4.88 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 4.88 ConditionUsedRear End4.88 ratioFits To Make(s)ChevroletFits To Model(s)C70Will Fit Year(s)1980Stock Number42324-3 MLS Number12848484CategoryDifferentials, Rear Last Updated5/15/2026 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 W900 $795 USD RS404 3.36 GOOD INSPECTED TAKEOUT DIFFERENTIAL ASSEMBLY. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 350, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)1999Part NumberRS404Stock Number41924-3 MLS Number12844191CategoryDifferentials, 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 RSP40 Rear Differential for a 2009 Freightliner Coronado 132 Glider $695 USD RSP40 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250, Ratio: 3.55 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)Coronado 132 GliderWill Fit Year(s)2009Part NumberRSP 40Stock Number40324-5 MLS Number12754846CategoryDifferentials, 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 RSP41 Rear Differential for a 2009 Kenworth T300 $795 USD RSP41 4.88 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250, Ratio: 4.88 ConditionUsedFits To Make(s)KenworthFits To Model(s)T300Will Fit Year(s)2009Part NumberRSP41Stock Number32224-2 MLS Number12741599CategoryDifferentials, 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 RSP40 Rear Differential $995 USD INSPECTED TAKE OUT RSP40 3.55. 90 DAY PARTS ONLY WARRANTY EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 14162, Core Charge: EXCHANGE, Ratio: 3.55 ConditionUsedPart Number14162Stock Number14162 MLS Number12738253CategoryDifferentials, 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 RSP40 Rear Differential for a 2012 Peterbilt 389 $695 USD RSP40 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Serial#: NA, Ratio: 3.55, Casting#: NA ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2012Stock Number30724-4 MLS Number12721157CategoryDifferentials, 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 RS402 Rear Differential for a 1996 Peterbilt 379 $995 USD RS402 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1996Stock Number121724-4 MLS Number12675672CategoryDifferentials, 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 RSP40 Rear Differential for a 2012 Kenworth T800 $695 USD RSP40 3.36 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE. (RE RATIO DISCOUNT FOR FRONT AND REAR), Axle Spline Count: 41, Serial#: NA, Core Charge: 250, Ratio: 3.36 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2012Part NumberRSP-40Stock Number11124-6 MLS Number12627977CategoryDifferentials, 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 RSP40 Rear Differential for a 2007 Kenworth T2000 $595 USD RSP40 3.36 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T2000Will Fit Year(s)2007Stock Number1224-3 MLS Number12580895CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info