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Eaton DD404 Front Differentials For Sale

Shop new, used, and remanufactured Eaton DD404 Front Differentials on MyLittleSalesman.com . Compare active listings with prices from $1,850 to $3,300. Sellers include Badger Truck Parts Ltd, Rocky Mountain Truck Parts, Rydemore Heavy Duty Truck Parts, and more. Filter by condition, price, or year to find the Eaton DD404 Front Differential that fits your job.
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Showing 1 - 6 of 6 Front Differential Listings

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Eaton DD404 Front Differential for a 2004 Peterbilt 379

Eaton DD404 Front Differential for a 2004 Peterbilt 379

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2004 PETE 379 EATON 404 FRONT DIFF WITH LOCK, 3.90 RATIO, LOW AIRLEAF SUSPENSION, Serial#: NA, Ratio: 3.90, Casting#: NA
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)379
Will Fit Year(s)2004
Stock Number3880-PETE-4
MLS Number14095827
CategoryDifferentials, Front
Last Updated6/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Eaton DD404 Front Differential

Eaton DD404 Front Differential

$3,300 USD
New OE Eaton DD404 Front, rear full locking differential assemlby. 3.90 ratio, 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered
ConditionNew
Rear End3.90 ratio
Fits To Make(s)EATON
Fits To Model(s)DD404
Stock NumberBP TRS DD404/3.90 O
MLS Number14050769
CategoryDifferentials, Front
Last Updated2/14/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Eaton DD404 Front Differential

Eaton DD404 Front Differential

$2,700 USD
Remanufactured Eaton DD404 Front, rear differential assemlby. 3.90 ratio, 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered
Quantity2
ConditionRemanufactured
Rear End3.90 ratio
Fits To Make(s)EATON
Fits To Model(s)DD404
Stock NumberBP TRS DD404/3.90
MLS Number14050232
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
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