View 3 Photos View 0 Videos Dana-Spicer RSP41 Rear Differential for a 2012 Peterbilt 388 $650 USD RSP41 370 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 370 ConditionUsedRear End3.70 ratioFits To Make(s)PeterbiltFits To Model(s)388Will Fit Year(s)2012Stock Number120622-7 MLS Number11787106CategoryDifferentials, Rear Last Updated6/24/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Dana-Spicer RSP41 Rear Differential for a 2006 Peterbilt 379 $795 USD RSP41 3.36 RATIO USED T.O WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY., Axle Spline Count: 41, Core Charge: EXCHANGE, Ratio: 336, Casting#: 13181 ConditionUsedRear End3.36 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2006Stock Number12226-2 MLS Number14116087CategoryDifferentials, 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 Dana-Spicer RSP41 Rear Differential for a 2021 Kenworth T680 $795 USD RSP41 3.08 RATIO WILL INSPECT IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 3.08 ConditionUsedRear End3.08 ratioFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2021Stock Number20524-17 MLS Number13898165CategoryDifferentials, 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 Dana-Spicer RSP41 Rear Differential for a 2016 Kenworth W900 $650 USD RSP41 3.36 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)2016Stock Number100924-4 MLS Number13190919CategoryDifferentials, 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 Dana-Spicer RSP41 Rear Differential for a 2013 Peterbilt 587 $650 USD RSP41 3.42 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.42 ConditionUsedRear End3.42 ratioFits To Make(s)PeterbiltFits To Model(s)587Will Fit Year(s)2013Stock Number101024-4 MLS Number13188814CategoryDifferentials, 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 Dana-Spicer RSP41 Rear Differential for a 2008 Peterbilt 386 $795 USD RSP41 3.55 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 275.00, Ratio: 3.55 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2008Part NumberNAStock Number21624-3 MLS Number12664641CategoryDifferentials, 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 Dana-Spicer RSP41 Rear Differential for a 2007 Kenworth T800 $595 USD RSP41 RR 3.55 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2007Stock Number80423-4 MLS Number12246709CategoryDifferentials, 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 Dana-Spicer RSP41 Rear Differential for a 2016 Peterbilt 579 $750 USD RSP41 3.70 INSPECTED IN OUR GEAR SHOP, Ratio: 3.70 ConditionUsedRear End3.70 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Stock Number11823-10 MLS Number11849338CategoryDifferentials, 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 Dana-Spicer RSP41 Rear Differential for a 2017 Kenworth W900 $695 USD RSP41 336 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)2017Stock Number110722-8 MLS Number11724553CategoryDifferentials, 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 Dana-Spicer RSP41 Rear Differential for a 2019 Kenworth T680 $595 USD RSP41 3.08 INSPECTED WITH 90 DAY WARRANTY 390K MILES, Ratio: 3.08 ConditionUsedRear End3.08 ratioFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2019Stock Number111221-6 MLS Number11117161CategoryDifferentials, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info