View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2014 Peterbilt 579 Recently Updated $995 USD DSP40 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2014Stock Number110824-3 MLS Number13224035CategoryDifferentials, Front 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 DSP40 Front Differential for a 2005 Kenworth W900 Recently Updated $1,095 USD DSP40 3.55 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)2005Stock Number92224-3 MLS Number13164781CategoryDifferentials, Front 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 DSP40 Front Differential for a 2003 Peterbilt 379 Recently Updated $1,150 USD DSP40 3.90 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.9 ConditionUsedRear End3.90 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2003Stock Number42224-4 MLS Number12848471CategoryDifferentials, Front 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 DSP40 Front Differential for a 2009 Kenworth T600 Recently Updated $1,150 USD DSP40 3.36 INSPECTED IN OUR GEAR SHOP, 90 DAY WARRANTY, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T600Will Fit Year(s)2009Stock Number31124-3 MLS Number12713673CategoryDifferentials, Front 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 DSP40 Front Differential for a 2010 Kenworth T660 Recently Updated $1,095 USD DSP40 3.36 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2010Stock Number81523-3 MLS Number12259268CategoryDifferentials, Front 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 DSP40 Front Differential for a 2002 Kenworth W900 Recently Updated $1,095 USD DSP40 3.70 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 3.7 ConditionUsedRear End3.70 ratioFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)2002Stock Number20723-3 MLS Number11891263CategoryDifferentials, Front 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 DSP40 Front Differential for a 2012 Kenworth T800 Recently Updated $1,095 USD DSP40 3.42 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 3.42 ConditionUsedRear End3.42 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2012Stock Number122422-7 MLS Number11823957CategoryDifferentials, Front 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 DSP40 Front Differential for a 2015 Kenworth T680 Recently Updated Contact for price MILES 807550, Ratio: 293 ConditionUsedRear End2.93 ratioFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2015Stock Number384299-4 MLS Number14146822CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Dana-Spicer DSP40 Front Differential Recently Updated Contact for price Good Condition Rear Differential DSP40 Ratio 3.88, Ratio: 3.88 ConditionUsedRear End3.88 ratioStock Number976438 MLS Number14117892CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2013 Kenworth T800 Recently Updated Contact for price MILES 372579, Ratio: 336 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2013Stock Number336200-5 MLS Number13855288CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2016 Kenworth T680 Recently Updated Contact for price MILES 885557, Ratio: 336 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Stock Number101940-4 MLS Number13752882CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2007 Peterbilt 379 Recently Updated Contact for price GOOD SHAPE, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2007Stock Number670244-3 MLS Number13476451CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2007 Kenworth T800B Recently Updated Contact for price MILES 790780, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T800BWill Fit Year(s)2007Stock Number205492-3 MLS Number12865670CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2011 Kenworth T660 Recently Updated Contact for price MILES 609802 HAS LOCKER, Ratio: 342 ConditionUsedRear End3.42 ratioFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2011Stock Number331118-3 MLS Number12677918CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2003 Kenworth T600 Recently Updated Contact for price MILES 909522, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T600Will Fit Year(s)2003Stock Number388945-3 MLS Number12671288CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2001 International 8100 Recently Updated Contact for price GOOD SHAPE, Ratio: 411 ConditionUsedRear End4.11 ratioFits To Make(s)InternationalFits To Model(s)8100Will Fit Year(s)2001Stock Number397537-1 MLS Number11714670CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2004 Kenworth T800 Recently Updated Contact for price MILES 300253, Ratio: 411 ConditionUsedRear End4.11 ratioFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2004Stock Number080569-3 MLS Number11703829CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2006 Kenworth T603 Recently Updated Contact for price GOOD SHAPE, Ratio: 336 ConditionUsedRear End3.36 ratioFits To Make(s)KenworthFits To Model(s)T603Will Fit Year(s)2006Stock Number140864-3 MLS Number11495610CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2006 Kenworth T600 Recently Updated Contact for price GOOD SHAPE, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T600Will Fit Year(s)2006Stock Number158773-3 MLS Number11125512CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2012 Kenworth T660 Recently Updated Contact for price GOOD SHAPE, Ratio: 342 ConditionUsedRear End3.42 ratioFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2012Stock Number319612-4 MLS Number10886319CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2008 Peterbilt 386 Recently Updated Contact for price GOOD SHAPE, Ratio: 354 ConditionUsedRear End3.54 ratioFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2008Stock Number786007-4 MLS Number10853196CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2007 Peterbilt 387 Recently Updated Contact for price GOOD SHAPE, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)PeterbiltFits To Model(s)387Will Fit Year(s)2007Stock Number665242-4 MLS Number10575654CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Dana-Spicer DSP40 Front Differential for a 2005 Kenworth W900B Recently Updated Contact for price GOOD SHAPE, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)W900BWill Fit Year(s)2005Stock Number075604-2 MLS Number10539567CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2009 Kenworth T660 Recently Updated Contact for price GOOD, Ratio: 355 ConditionUsedRear End3.55 ratioFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2009Stock Number268169-3 MLS Number10504923CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer DSP40 Front Differential for a 2012 Peterbilt 386 Recently Updated Contact for price AXLE HAS PILOT LUG'S, Ratio: 336 ConditionUsedRear End3.36 ratioFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2012Stock Number178397-3 MLS Number10158847CategoryDifferentials, Front Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info