View 7 Photos View 0 Videos Eaton DDP40 Front Differential $3,100 USD Anderson Brothers Inc. Rebuilt Front Diff. with locker DDP40-336R locker: YES, Core Charge: 800.00, Ratio: 3.36 ConditionUsedRear End3.36 ratioFits To Make(s)EatonFits To Model(s)DDP40Stock Number172664 MLS Number14242487CategoryDifferentials, Front Last Updated3/13/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DDP40 Front Differential for a 2017 Peterbilt 348 $1,995 USD GOOD INSPECTED DIFFERENTIAL ASSEMBLY. LOCKER ASSEMBLY, Axle Spline Count: 41, Core Charge: 750.00, Ratio: 5.29, Clutch Housing Size: 1 ConditionUsedRear End5.29 ratioFits To Make(s)PeterbiltFits To Model(s)348Will Fit Year(s)2017Part NumberDDP40Stock Number22526-3 MLS Number14219568CategoryDifferentials, Front Last Updated3/3/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2017 Eaton DDP40 Front Axle Housing for a Peterbilt 579 $1,250 USD Eaton Front Rear Axle Housing, DDP40, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS. P/N 321274. Removed From 2017 Peterbilt Flex Air Suspension. ConditionUsedFits To Make(s)PETERBILTFits To Model(s)579Stock Number1943-27 MLS Number14044348CategoryAxle Housings, Front Last Updated2/24/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2013 Eaton DDP40 Front Axle Housing for a Kenworth T660 $1,250 USD Spicer Front Rear Housing, DDP40, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, 54" Inner Flange to Flange, 16 Hole Flange, Missing LH Axle Shaft Brake Chambers. P/N 321500. S/N... ConditionUsedFits To Make(s)KenworthFits To Model(s)T660Stock Number1932896 MLS Number13887602CategoryAxle Housings, Front Last Updated2/26/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DDP40 Front Differential $3,195 USD REBUILT DDP40 LOCKER 3.36. 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE, Axle Spline Count: 41, Serial#: 62190, Core Charge: EXCHANGE CRITICAL CORE, Ratio: 3.36 ConditionRemanufacturedPart Number62190Stock Number62190 MLS Number14146849CategoryDifferentials, Front Last Updated2/17/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton DDP40 Front Differential $3,195 USD REBUILT DDP40 LOCKER 3.36. 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62193, Core Charge: EXCHANGE CRITICAL CORE, Ratio: 3.36 ConditionRemanufacturedPart Number62193Stock Number62193 MLS Number14144112CategoryDifferentials, Front Last Updated2/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DDP40 Front Differential $2,200 USD 3.55 Ratio Locker 41 Spline ConditionUsedFits To Make(s)EatonFits To Model(s)DDP40Stock NumberR11898391 MLS Number13582943CategoryDifferentials, Front Last Updated5/15/2025 LocationSpokane Valley, WA, US Sold BySpalding Truck Parts (833) 432-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DDP40 Differential Part $1,768.62 USD CAP AND CARRIER HOUSING FOR DDP 40., Serial#: 132467, Core Charge: 275.00, Casting#: 132467 ConditionNewPart Number132467Stock Number132467 MLS Number10037998CategoryDifferential Misc. Parts Last Updated12/5/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DDP40 Differential Part $3.56 USD LOCKOUT GASKET EARLY 404 OR AXLE LOCK, Serial#: 128643, Core Charge: N/A, Casting#: 128643 ConditionNewPart Number128643Stock Number128643 MLS Number13218337CategoryDifferential Misc. Parts Last Updated11/7/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DDP40 Differential Part $1.26 USD AXLE LOCK COVER BOLT, Serial#: 128744, Core Charge: N/A, Casting#: 128744 ConditionNewPart Number128744Stock Number128744 MLS Number13218336CategoryDifferential Misc. Parts Last Updated11/7/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DDP40 Differential Part $3.04 USD DDP/RDP AXLE LOCK INSTALL BOLT, Serial#: 128274, Core Charge: N/A, Casting#: 128274 ConditionNewPart Number128274Stock Number128274 MLS Number12948909CategoryDifferential Misc. Parts Last Updated6/22/2024 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DDP40 Front Axle Housing for a 2008 Peterbilt 389 $1,095 USD GOOD USED FRONT HOUSING FOR DDP41 OFF LOW AIR LEAF ONE TOP ALIGNMENT DOWEL IS BROKEN/ CAN FIX, Serial#: N/A, Core Charge: N/A, Hub Bolts: 10, Suspension: LOW AIR LEAF ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2008Stock Number30118-25 MLS Number9364211CategoryAxle Housings, Front Last Updated9/30/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DDP40 Differential Part $46.18 USD ADJUSTER FOR DDP RDP LOCKER CLUTCH, Serial#: 132489, Core Charge: N/A, Casting#: 132489 ConditionNewPart Number132489 128640Stock Number132489 MLS Number10140138CategoryDifferential Misc. Parts Last Updated5/19/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton DDP40 Differential Part $55.42 USD PUSH ROD FOR DDP RDP 40 LOCKER, Serial#: 132488, Core Charge: N/A, Casting#: 132488 ConditionNewPart Number132488Stock Number132488 MLS Number10140137CategoryDifferential Misc. Parts Last Updated5/19/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2011 Eaton DDP40 Front Differential for a Peterbilt 384 $2,238 USD (USED) Eaton DDP40 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: YES Cast#: 132043 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)384Stock Number25864922 MLS Number13822136CategoryDifferentials, Front Last Updated1/8/2026 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton DDP40 Front Differential $2,750 USD Remanufactured Eaton DDP40 locking front, rear differential assembly. 4.33 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered ConditionRemanufacturedRear End4.33 ratioFits To Make(s)EATONFits To Model(s)DDP40Stock NumberBP TRS DDP40/4.33 MLS Number14050552CategoryDifferentials, Front Last Updated12/18/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton DDP40 Front Differential $2,750 USD Remanufactured Eaton DDP40 front, rear differential assembly. 3.90 Ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered ConditionRemanufacturedRear End3.90 ratioFits To Make(s)EATONFits To Model(s)DDP40Stock NumberBP TRS DDP40/3.90 MLS Number14050346CategoryDifferentials, Front Last Updated12/18/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info