1. Home
  2. For Sale
  3. Truck Parts
  4. Axles & Differentials
  5. Differentials, Rear
  6. Eaton
  7. RS381

Eaton RS381 Rear Differentials For Sale

Browse Eaton RS381 Rear Differentials on MyLittleSalesman.com and compare listings with prices from $495 to $1,685. Sellers include Holst Truck Parts, Rocky Mountain Truck Parts, and Garabedian Equipment. Filter by condition, price, or year to quickly narrow down to the right Eaton RS381 Rear Differential.
Close
Your Current Search
Industry
Truck Parts
Top-Category
Axles & Differentials
Category
Differentials, Rear
Manufacturer
Eaton
Model
RS381
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 (10)
Category
   Differentials, Rear (10)
Make
Eaton (10)
Model
RS381 (10)
Condition
Model Year
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Yes (0)
No (0)
Price
-
Country
United States (10)
State / Region
Select a state below and click Refine Results.


Seller Type
Dealerships (10)
Market Type
For Sale (10)

Quick Filters

Showing 1 - 10 of 10 Rear Differential Listings

1 - 10 of 10 listings
1 - 10 of 10 listings
Eaton RS381 Rear Differential for a 1983 Gm/Chev (Hd) GENERAL

Eaton RS381 Rear Differential for a 1983 Gm/Chev (Hd) GENERAL

$795 USD
RS381 3.70 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE. CHECK S.G. COUNT, Axle Spline Count: GET, Core Charge: 250.00, Ratio: 3.70
ConditionUsed
Rear End3.70 ratio
Fits To Make(s)GM/Chev (HD)
Fits To Model(s)GENERAL
Will Fit Year(s)1983
Part NumberRS381
Stock Number92423-8
MLS Number12330391
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst Truck Parts
Eaton RS381 Rear Differential for a 1978 GMC Brigadier

Eaton RS381 Rear Differential for a 1978 GMC Brigadier

$1,095 USD
RS380 RECONDITIONED 3.70. 1ST 6 MONTH PARTS AND LABOR WARRANTY. LAST 6 MONTH PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Ratio: 3.70
ConditionRemanufactured
Rear End3.70 ratio
Fits To Make(s)GMC
Fits To Model(s)Brigadier
Will Fit Year(s)1978
Stock Number42923-8
MLS Number12027857
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst Truck Parts
Eaton RS381 Rear Differential for a 1987 Freightliner FLC

Eaton RS381 Rear Differential for a 1987 Freightliner FLC

$795 USD
RS381 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: GET, Core Charge: 200.00, Ratio: 3.55
ConditionUsed
Rear End3.55 ratio
Fits To Make(s)Freightliner
Fits To Model(s)FLC
Will Fit Year(s)1987
Part NumberRS--381
Stock Number81222-8
MLS Number11538011
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst 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