View 1 Photo View 0 Videos Eaton Gearset 3.42 DS404/DSP40 Differential, Part # 504056 Recently Updated $459 USD GEARSET 3.42 DS404 DSP40 AND OTHER VARIOUS MODELS, Serial#: 504056-1, Core Charge: N/A, Casting#: 504056-1 ConditionNewPart Number504056Stock Number504056 MLS Number10672313CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2003 Kenworth T600 Recently Updated $1,095 USD GOOD USED AG100/AIRGLIDE 8 BAG FRONT AXLE HOUSING, DS404 DSP40 DSP41, Serial#: N/A, Hub Bolts: 10, Suspension: AG100, Brake Type: S CAM ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Will Fit Year(s)2003Part NumberAG100Stock Number110220-18 MLS Number10530453CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton DSP40 Front Differential Recently Updated $895 USD INSPECTED DSP40 355 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioStock Number80920-2 MLS Number10321517CategoryDifferentials, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Used Eaton DSP40 3.42 Gear Set, Serial # 504056 Recently Updated $250 USD DSP40 3.42 USED GEAR SET., Serial#: 504056, Core Charge: 0, Casting#: 504056 ConditionUsedPart Number504056Stock Number504056 USED MLS Number9952757CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2010 Kenworth T660 Recently Updated $1,095 USD GOOD USED EATON FRONT DSP40 AXLE HOUSING OFF PACCAR LOW AIR SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: PACCAR LOW AIR LEAF ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2010Stock Number80218-15 MLS Number9467122CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2016 Peterbilt 579 Recently Updated $1,095 USD GOOD USED EATON DSP40 FRONT AXLE HOUSING OFF FLEX AIR / AG380 SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: FLEX AIR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Stock Number72118-4 MLS Number9463870CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Differential for a 2007 Kenworth T800 Recently Updated $795 USD DSP40 3.70 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.7 ConditionUsedFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)2007Stock Number71918-18 MLS Number9462483CategoryDifferentials, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2010 Peterbilt 386 Recently Updated $1,095 USD GOOD USED FRONT EATON DSP40 AXLE HOUSING OFF NEW LOW AIR LEAF SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: PETE LOW AIR LEAF ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2010Stock Number61418-34 MLS Number9428794CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Differential for a 2010 Peterbilt 386 Recently Updated $795 USD DSP40 3.36 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.36 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2010Stock Number61418-24 MLS Number9428782CategoryDifferentials, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2016 Kenworth T680 Recently Updated $1,495 USD DSP40 LATE PACCAR LOW AIR/AG400L/FLEX AIR, Suspension: AG400L, Brake Type: DISC ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2016Part NumberAG400L LATE LOW AIR/FLEX AIR PACCAR LOW AIRStock Number60718-2 MLS Number9424167CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2013 Kenworth T660 Recently Updated $1,095 USD GOOD USED EATON FRONT DSP40 AXLE HOUSING OFF AG400L SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: AG400L ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2013Stock Number53118-21 MLS Number9422974CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2010 Peterbilt 386 Recently Updated $1,095 USD GOOD USED EATON FRONT DSP40 AXLE HOUSING OFF FLEX AIR SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: FLEX AIR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2010Stock Number11618-18 MLS Number9418233CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton DSP40 Front Axle Housing for a 2003 Peterbilt 379 Recently Updated $895 USD GOOD USED FRONT AXLE HOUSING FOR DSP40 OFF FLEX AIR SUSPENSION. WILL FIT KW AG380. HOUSING HAS SOME RUST, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: FLEX AIR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2003Stock Number31318-2 MLS Number9369373CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Rear Axle Housing for a 2006 Peterbilt 387 Recently Updated $995 USD GOOD USED FRONT AXLE HOUSING FOR EATON DSP41 OFF A LOW AIR LEAF SUSPENSION, Serial#: DSP41, Core Charge: N/A, Hub Bolts: N/A, Suspension: LOW AIR LEAF ConditionUsedFits To Make(s)PeterbiltFits To Model(s)387Will Fit Year(s)2006Stock Number21118-27 MLS Number9356159CategoryAxle Housings, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2009 Peterbilt 386 Recently Updated $995 USD GOOD USED FRONT AXLE HOUSING, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: AIR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2009Stock Number11418-27 MLS Number9351047CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2007 Peterbilt 379 Recently Updated $1,095 USD GOOD USED EATON DSP40 FLEX AIR/AG380 FRONT AXLE HOUSING. WILL BE INSPECTED, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: FLEX AIR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2007Stock Number112517-23 MLS Number9315833CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2006 Kenworth T600 Recently Updated $1,095 USD GOOD TAKEOUT FRONT EATON DSP40 AXLE HOUSING OFF AG200 SUSPENSION, Serial#: N/A, Core Charge: N/A, Hub Bolts: 20, Suspension: AG200 ConditionUsedFits To Make(s)KenworthFits To Model(s)T600Will Fit Year(s)2006Stock Number100617-27 MLS Number9230412CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Differential for a 2012 Peterbilt 386 Recently Updated $995 USD DSP40 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.55 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2012Stock Number82517-13 MLS Number9200623CategoryDifferentials, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Rear Axle Housing for a 2009 Peterbilt 386 Recently Updated $995 USD DSP 40 FRONT AXLE HOUSING, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: AIR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2009Stock Number72417-11 MLS Number9178715CategoryAxle Housings, Rear Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2010 Peterbilt 386 Recently Updated $1,095 USD GOOD USED TAKEOUT FRONT HOUSING. FITS KW AG380 SUSPENSION AS WELL AS PETE FLEX AIR. PACCAR LATE LOW AIR, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: FLEX AIR ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2010Stock Number20917-35 MLS Number9160460CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2012 Kenworth T660 Recently Updated $1,095 USD GOOD TAKEOUT DSP40 FRONT HOUSING. LOW AIR LEAF SUSPENSION LATE MODEL.ALSO FITS AG380 FLEX AIR, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: PACCAR LATE LOW AIR LEAF ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2012Stock Number60717-9 MLS Number9140922CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2013 Kenworth T700 Recently Updated $995 USD GOOD USED FRONT AXLE HOUSING DSP40 FLEX AIR, Serial#: NA, Core Charge: NA, Hub Bolts: 10, Suspension: FLEX AIR ConditionUsedFits To Make(s)KenworthFits To Model(s)T700Will Fit Year(s)2013Part NumberNAStock Number42717-5 MLS Number9090846CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2010 Kenworth T660 Recently Updated $995 USD GOOD USED AXLE HOUSING. ALSO FITS LATE LOW AIR LEAF/ PACCAR LOW AIR. SEE PRIVATE NOTES, Serial#: NA, Core Charge: NA, Hub Bolts: 10, Suspension: FLEX AIR ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Will Fit Year(s)2010Part Number302286Stock Number30517-21 MLS Number9081099CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton DSP40 Front Differential for a 2009 Peterbilt 386 Recently Updated $1,095 USD DSP40 3.55 GOOD INSPECTED TAKEOUT 90 DAY WARRANTY, Axle Spline Count: 41, Serial#: NA, Core Charge: NA, Ratio: 3.55 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2009Part NumberDSP40Stock Number13117-17 MLS Number9071180CategoryDifferentials, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DSP40 Front Axle Housing for a 2007 Peterbilt 386 Recently Updated $1,095 USD LATE LOW AIR LEAF AXLE HOUSINF WITH CURVED LEAF SPRING ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2007Stock Number101815-3 MLS Number9004124CategoryAxle Housings, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info