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Eaton DDP40 Axles & Differentials For Sale

Browse Eaton DDP40 Axles & Differentials for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 22 listings. Eaton DDP40 pricing ranges from $3 to $3,195 based on recent marketplace data. Filter by condition, price, or year to find the right Eaton DDP40.
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Axles & Differentials (22)
   Axle Housings, Front (4)    Axle Housings, Rear (1)    Differential Misc. Parts (6)    Differentials, Front (10)    Differentials, Rear (1)
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DDP40 (22)
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Showing 1 - 22 of 22 Listings

1 - 22 of 22 listings
1 - 22 of 22 listings
Eaton DDP40 Front Axle Housing for a Peterbilt 579

2017 Eaton DDP40 Front Axle Housing for a Peterbilt 579

$950 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.
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)579
Stock Number1943-27
MLS Number14044348
CategoryAxle Housings, Front
Last Updated5/19/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Eaton DDP40 Front Axle Housing for a Kenworth T660

2013 Eaton DDP40 Front Axle Housing for a Kenworth T660

$950 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...
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T660
Stock Number1932896
MLS Number13887602
CategoryAxle Housings, Front
Last Updated5/19/2026
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
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Garabedian Equipment
Eaton DDP40 Front Axle Housing for a 2006 Freightliner Columbia 120

Eaton DDP40 Front Axle Housing for a 2006 Freightliner Columbia 120

$1,195 USD
DDP40 FRONT AXLE HOUSING ON AIRLINER SUSPENSION. SAME AS DSP40, DS404, Hub Bolts: 10, Suspension: AIRLINER, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Columbia 120
Will Fit Year(s)2006
Stock Number40926-9
MLS Number14315443
CategoryAxle Housings, Front
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Eaton DDP40 Front Differential for a 2006 Freightliner Columbia 120

Eaton DDP40 Front Differential for a 2006 Freightliner Columbia 120

$1,995 USD
DDP40 3.55 RATIO, LOCKER. USED TAKEOUT WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY,FITS DD404,AND OTHERS, Ratio: 3.55
ConditionUsed
Rear End3.55 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Columbia 120
Will Fit Year(s)2006
Stock Number40926-3
MLS Number14315441
CategoryDifferentials, Front
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Eaton DDP40 Rear Differential for a 2006 Freightliner Columbia 120

Eaton DDP40 Rear Differential for a 2006 Freightliner Columbia 120

$1,495 USD
RDP40 3.55 RATIO, LOCKER. USED TAKEOUT WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY, Ratio: 3.55
ConditionUsed
Rear End3.55 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Columbia 120
Will Fit Year(s)2006
Stock Number40926-4
MLS Number14315440
CategoryDifferentials, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Eaton DDP40 Front Differential for a 2017 Peterbilt 348

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, Ratio: 5.29, Clutch Housing Size: 1
ConditionUsed
Rear End5.29 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)348
Will Fit Year(s)2017
Part NumberDDP40
Stock Number22526-3
MLS Number14219568
CategoryDifferentials, Front
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Eaton DDP40 Front Axle Housing for a 2008 Peterbilt 389

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
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)389
Will Fit Year(s)2008
Stock Number30118-25
MLS Number9364211
CategoryAxle Housings, Front
Last Updated5/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Eaton DDP40 Rear Axle Housing for a 2006 Freightliner Columbia 120

Eaton DDP40 Rear Axle Housing for a 2006 Freightliner Columbia 120

$1,195 USD
RDP40 REAR AXLE HOUSING ON AIRLINER SUSPENSION. SAME AS RSP40, RS404 RSP41, Hub Bolts: 10, Suspension: AIRLINER, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)Columbia 120
Will Fit Year(s)2006
Stock Number40926-10
MLS Number14315442
CategoryAxle Housings, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Eaton DDP40 Front Differential

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
ConditionRemanufactured
Rear End4.33 ratio
Fits To Make(s)EATON
Fits To Model(s)DDP40
Stock NumberBP TRS DDP40/4.33
MLS Number14050552
CategoryDifferentials, Front
Last Updated12/18/2025
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Eaton DDP40 Front Differential

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
ConditionRemanufactured
Rear End3.90 ratio
Fits To Make(s)EATON
Fits To Model(s)DDP40
Stock NumberBP TRS DDP40/3.90
MLS Number14050346
CategoryDifferentials, Front
Last Updated12/18/2025
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
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Rydemore Heavy Duty Truck Parts
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