1. Home
  2. For Sale
  3. Truck Parts
  4. Axles & Differentials
  5. Differentials, Rear
  6. Eaton
  7. RDP40

Eaton RDP40 Rear Differentials For Sale

Browse Eaton RDP40 Rear Differentials for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 11 listings. Eaton RDP40 Rear Differential pricing ranges from $1,250 to $2,195 based on recent marketplace data. Filter by condition, price, or year to find the right Eaton RDP40 Rear Differential.
Close
Your Current Search
Industry
Truck Parts
Top-Category
Axles & Differentials
Category
Differentials, Rear
Manufacturer
Eaton
Model
RDP40
Click the to remove the filter.
Save Search
Email Alert
What's Save Search and Email Alert?
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Truck Parts (11)
Category
   Differentials, Rear (11)
Make
Eaton (11)
Model
RDP40 (11)
Condition
Model Year
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Yes (0)
No (0)
Price
-
Country
United States (11)
State / Region
Select a state below and click Refine Results.




Seller Type
Dealerships (11)
Market Type
For Sale (11)

Quick Filters

Showing 1 - 11 of 11 Rear Differential Listings

1 - 11 of 11 listings
1 - 11 of 11 listings
Eaton RDP40 Rear Differential for a 2017 Peterbilt 348

Eaton RDP40 Rear Differential for a 2017 Peterbilt 348

Recently Updated
$1,495 USD
GOOD INSPECTED DIFFERENTIAL ASSEMBLY/ LOCKER 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 500, Ratio: 5.29, Casting#: NA
ConditionUsed
Rear End5.29 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)348
Will Fit Year(s)2017
Part NumberRDP41 LOCKER
Stock Number22526-4
MLS Number14219569
CategoryDifferentials, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst Truck Parts
Eaton RDP40 Rear Differential

Eaton RDP40 Rear Differential

$1,700 USD
Remanufactured Eaton RDP40 locking rear, rear differential assembly. 5.57 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered
ConditionRemanufactured
Rear End5.57 ratio
Fits To Make(s)EATON
Fits To Model(s)RDP40
Stock NumberBP TRS RDP40/5.57
MLS Number14050357
CategoryDifferentials, Rear
Last Updated3/2/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Eaton RDP40 Rear Differential

Eaton RDP40 Rear Differential

$1,500 USD
Remanufactured Eaton RDP40 locking rear, rear differential assembly. 3.90 ratio. 41 Spline. 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)RDP40
Stock NumberRyd RDP40/3.90/41L
MLS Number14127175
CategoryDifferentials, Rear
Last Updated2/5/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Eaton RDP40 Rear Differential

Eaton RDP40 Rear Differential

$1,250 USD
Remanufactured Eaton RDP40 rear, rear differential assembly. 5.29 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered
ConditionRemanufactured
Rear End5.29 ratio
Fits To Make(s)EATON
Fits To Model(s)RDP40
Stock NumberBP TRS RDP40/5.26
MLS Number14050756
CategoryDifferentials, Rear
Last Updated12/18/2025
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
NUMBERCall Seller
Email Seller
Save
Rydemore Heavy Duty Truck Parts
Save Search
Email Alert
What's Save Search and Email Alert?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
Did you find what you were looking for? Yes No
Got a rear differential to sell? In minutes, you can create an online listing for your rear differential and advertise it to thousands of buyers.
Start selling today