Saved
0
My Account
Sign in
Sign up
Control Center
Dashboard
Buyer Tools
Saved Listings
0
Compare Saved Listings
Saved Searches
0
My Little Salesman
Sign up
Saved
0
My Account
Sign in
Sign up
Control Center
Dashboard
Buyer Tools
Saved Listings
0
Compare Saved Listings
Saved Searches
0
Price Alerts
0
For Sale
Commercial Trucks
Trailers
Construction Equipment
Logging Equipment
Farm Equipment
Lifting Equipment
Attachments
Heavy Duty Truck Parts
Heavy Equipment & Tractor Parts
Trailer Parts
Aggregate & Mining Equipment
Biomass Equipment
Waste Management & Recycling Equipment
Woodworking & Sawmill Equipment
Industrial Equipment
Recreation & Utility Vehicles
Cars & SUVs
Lawn & Garden
Tools & Material
My Little Salesman Magazine
May 2025
For Rent
Commercial Trucks
Trailers
Construction Equipment
Logging Equipment
Farm Equipment
Lifting Equipment
Attachments
Aggregate & Mining Equipment
Biomass Equipment
Industrial Equipment
Recreation & Utility Vehicles
Sell
Place an Online Listing
Individual listings are the perfect selling solution for individuals or dealers with 15 items or less.
Inventory Mover Package
The inventory selling solution for dealers, manufacturers, and auctioneers with 15+ items.
Print Advertising
Effective industry-trusted advertising, reliably delivered to your targeted buyer.
Online Banner Advertising
Effectively reach buyers in your market as they browse listings within a category or specific manufacturer.
Facebook Marketing
Beautiful campaigns with pinpointed audiences that drive traffic and boosts sales.
Wholesale Marketplace
Buy and sell inventory amongst other registered dealers at wholesale prices.
Services
Dealer Management System (DMS)
One powerful suite of tools to maximize your dealership.
Inventory Management
Easy-to-use cloud-based inventory management with export feeds and accessible from anywhere.
Customer Relationship Management (CRM)
Customers, vendors, prospects, and correspondence in one place, integrated with your inventory.
Lead Management
One dashboard that intelligently connects your inventory, contacts, and leads from all your marketing channels.
Invoicing & Sales Management
Effortlessly turn leads into deals with auto-populated quotes, invoices, and custom contract forms.
Dealership Websites
User-friendly, mobile-responsive, search-engine optimized websites for commercial truck, trailer, heavy equipment, and parts dealers.
Sell Your Inventory
The inventory selling solution to reach hundreds of thousands of buyers, with no contract or commitments.
Facebook Marketing
Beautiful campaigns with pinpointed audiences that drive traffic and boosts sales.
Wanted
Auctions
Financing
Industry
News
Latest Equipment News
Construction Equipment News
Farm Equipment News
Forestry Equipment News
Trucking News
Trailer News
Material Handling News
Drilling & Mining Equipment News
Companies
All Companies
Dealers
Manufacturers
Auctioneers
Transport Companies
Resources
Trade Shows & Events
Industry Services
Appraisals
Associations
Financing and Leasing (Heavy Equipment)
Financing and Leasing (Commercial Trucks)
Inspections
Insurance
Transportation and Shipping
All Guides & Advice
Buying Guides
Construction Equipment Buying Guide
Semi Truck Buying Guide
Backhoe Buying Guide
Dump Truck Buying Guide
Skid Steer Buying Guide
Excavator Buying Guide
Box Truck Buying Guide
Info
Subscription Center
Help Center
Contact Us
Virtual Demonstration
About Us
Testimonials
Our History
Fraud Prevention
Home
Listings
Truck Parts
Differentials, Rear
Eaton
RS404
Used
Used Eaton RS404 Rear Differentials For Sale in United States
Filter
6
Sort
Close
Default Ranking
Year: Newest First
Year: Oldest First
Price: High to Low
Price: Low to High
Distance: Nearest First
Manufacturer: A-Z
Manufacturer: Z-A
Model: A-Z
Model: Z-A
Hours: High to Low
Hours: Low to High
Mileage: High to Low
Mileage: Low to High
Date Added: Newest First
Date Added: Oldest First
Stock Number: A-Z
Stock Number: Z-A
Photos First
Close
Your Current Search
Industry
Truck Parts
Category
Differentials, Rear
Manufacturer
Eaton
Model
RS404
Condition
Used
Country
United States
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
Industry
Truck Parts
(671)
Category
Differentials, Rear
(671)
Manufacturer
Eaton
(671)
Model
RS404
(671)
Condition
Used
(671)
Model Year
-
Horsepower
-
Inspection Report
Yes
(0)
No
(671)
Warranty
Yes
(0)
No
(0)
Price
-
Country
United States
(671)
State / Region
Select a state below and click
Refine Results
.
Alabama (70)
Arkansas (19)
California (22)
Georgia (168)
Idaho (56)
Illinois (1)
Indiana (24)
Iowa (49)
Kentucky (8)
Louisiana (1)
Maryland (2)
Massachusetts (7)
Minnesota (17)
Missouri (5)
New Jersey (4)
Ohio (25)
Pennsylvania (41)
South Dakota (22)
Texas (74)
Utah (51)
Washington (5)
Seller Type
(671)
Market Type
For Sale
(671)
1-25 of 671 results
Sort by:
Default Ranking
Default Ranking
Distance: Nearest First
Year: Newest First
Year: Oldest First
Price: High to Low
Price: Low to High
Manufacturer: A-Z
Manufacturer: Z-A
Model: A-Z
Model: Z-A
Hours: High to Low
Hours: Low to High
Mileage: High to Low
Mileage: Low to High
Date Added: Newest First
Date Added: Oldest First
Stock Number: A-Z
Stock Number: Z-A
Photos First
1-25 of 671
results
4
0
Eaton RS404 Rear Differential
Recently Updated
$500 USD
Good used Eaton DS404 Rear, Rear Differential Assembly. 6.17 Ratio. 90 day guarantee for swap or refund
Condition
Used
Rear End
6.17 ratio
Fits To Make(s)
EATON
Fits To Model(s)
RS404
Stock Number
Ryd RS404/6.17/41
MLS Number
13426325
Category
Differentials, Rear
Last Updated
5/3/2025
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Eaton RS404 Rear Differential for a 2000 Peterbilt 379
Newly Listed
Call for price
GOOD SHAPE, Ratio: 370
Condition
Used
Rear End
3.70 ratio
Fits To Make(s)
Peterbilt
Fits To Model(s)
379
Will Fit Year(s)
2000
Stock Number
548782-3
MLS Number
13556671
Category
Differentials, Rear
Last Updated
5/3/2025
Location
Farr West, UT, US
Sold By
Rocky Mountain Truck Parts
(855) 980-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Eaton RS404 Rear Differential
Recently Updated
$500 USD
Good used Eaton DS404 Rear, Rear Differential Assembly. 3.55 Ratio. 90 day guarantee for swap or refund
Quantity
2
Condition
Used
Rear End
3.55 ratio
Fits To Make(s)
EATON
Fits To Model(s)
RS404
Stock Number
Ryd RS404/3.55/41
MLS Number
10204592
Category
Differentials, Rear
Last Updated
5/2/2025
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
4
0
Eaton RS404 Rear Differential
Recently Updated
$500 USD
Good used Eaton DS404 Rear, Rear Differential Assembly. 3.25 Ratio. 90 day guarantee for swap or refund
Condition
Used
Rear End
3.25 ratio
Fits To Make(s)
EATON
Fits To Model(s)
RS404
Stock Number
Ryd RS404/3.25/41
MLS Number
11999592
Category
Differentials, Rear
Last Updated
5/1/2025
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Eaton RS404 Rear Differential
Recently Updated
$500 USD
Good used Eaton DS404 Rear, Rear Differential Assembly. 2.93 Ratio. 90 day guarantee for swap or refund
Quantity
2
Condition
Used
Rear End
2.93 ratio
Fits To Make(s)
EATON
Fits To Model(s)
RS404
Stock Number
Ryd RS404/2.93/41
MLS Number
10714392
Category
Differentials, Rear
Last Updated
5/1/2025
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Eaton RS404 Rear Differential
Recently Updated
$895 USD
REFUBISHED RS404 3.36 6 MONTH PARTS ONLY WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Core Charge: 250, Ratio: 3.36
Condition
Used
Rear End
3.36 ratio
Stock Number
43401
MLS Number
9001034
Category
Differentials, Rear
Last Updated
4/30/2025
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Eaton RS404 Rear Differential
Newly Listed
$395 USD
INSPECTED TAKEOUT RS404 3.55. 90 DAY PARTS ONLY WARRANTY.EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 14837, Core Charge: EXCHANGE, Ratio: 3.55
Condition
Used
Part Number
14837
Stock Number
14837
MLS Number
13544115
Category
Differentials, Rear
Last Updated
4/29/2025
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Eaton RS404 Rear Differential
Recently Updated
$775 USD
RS404 3.70 Inspected takeout Yoke 1710 Open, Side gear 41 Spline, Input 39 Spline
Condition
Used
Rear End
3.55 ratio
Stock Number
12549
MLS Number
13376963
Category
Differentials, Rear
Last Updated
4/29/2025
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Eaton RS404 Rear Differential
Recently Updated
$750 USD
3.55ratio, Rear differential, RS404, 3.55 ratio.
Condition
Used
Rear End
3.55 ratio
Stock Number
11268
MLS Number
13160139
Category
Differentials, Rear
Last Updated
4/29/2025
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Eaton RS404 Rear Differential
Recently Updated
$700 USD
3.55 ratio, Eaton/Spicer rear differential, RS404. Some rust on ring gear.
Condition
Used
Rear End
3.55 ratio
Stock Number
11267
MLS Number
13160138
Category
Differentials, Rear
Last Updated
4/29/2025
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
5
0
2005 Eaton RS404 Rear Differential for a International 9400
$400 USD
(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825
Condition
Used
Fits To Make(s)
International
Fits To Model(s)
9400
Stock Number
25680678
MLS Number
13085136
Category
Differentials, Rear
Last Updated
4/27/2025
Location
Sioux Falls, SD, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
2012 Eaton RS404 Rear Differential for a International Prostar
$795 USD
USED EATON RS404 REAR REAR DIFFERENTIAL/3.42 RATIO
Condition
Used
Rear End
3.42 ratio
Fits To Make(s)
INTERNATIONAL
Fits To Model(s)
Prostar
Stock Number
90185
MLS Number
12835156
Category
Differentials, Rear
Last Updated
4/26/2025
Location
Crandall, TX, US
Sold By
Tim Jordan's Truck Parts Inc.
(833) 359-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Eaton RS404 Rear Differential
$500 USD
Good used Eaton DS404 Rear, Rear Differential Assembly. 3.08 Ratio. 90 day guarantee for swap or refund
Condition
Used
Rear End
3.08 ratio
Fits To Make(s)
EATON
Fits To Model(s)
RS404
Stock Number
Ryd RS404/3.08/41
MLS Number
11580899
Category
Differentials, Rear
Last Updated
4/26/2025
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2013 Eaton RS404 Rear Differential for a Freightliner Cascadia
$400 USD
(USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 509825 Ref# S11-21808-355
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
CASCADIA
Part Number
S11-21808-355
Stock Number
25780126
MLS Number
13513645
Category
Differentials, Rear
Last Updated
4/21/2025
Location
Spencer, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
4
0
2007 Eaton RS404 Rear Differential for a Freightliner Columbia 120
$375 USD
(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 509826
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
COLUMBIA 120
Part Number
509826
Stock Number
25784496
MLS Number
13529716
Category
Differentials, Rear
Last Updated
4/21/2025
Location
Spencer, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
4
0
Eaton RS404 Rear Differential
$500 USD
Good used Eaton DS404 Rear, Rear Differential Assembly. 3.70 Ratio. 90 day guarantee for swap or refund
Condition
Used
Rear End
3.70 ratio
Fits To Make(s)
EATON
Fits To Model(s)
RS404
Stock Number
Ryd RS404/3.70/41
MLS Number
10295744
Category
Differentials, Rear
Last Updated
4/25/2025
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
2007 Eaton RS404 Rear Differential for a Freightliner Columbia 120
$375 USD
(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
COLUMBIA 120
Stock Number
25726860
MLS Number
13281662
Category
Differentials, Rear
Last Updated
4/12/2025
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
4
0
1999 Eaton RS404 Rear Differential for a Kenworth T600
$375 USD
(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY Ref# N/A
Condition
Used
Fits To Make(s)
Kenworth
Fits To Model(s)
T600
Part Number
N/A
Stock Number
25773063
MLS Number
13511335
Category
Differentials, Rear
Last Updated
4/11/2025
Location
Sioux Falls, SD, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
1998 Eaton RS404 Rear Differential for a Peterbilt 377
$375 USD
(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603
Condition
Used
Fits To Make(s)
Peterbilt
Fits To Model(s)
377
Stock Number
25586335
MLS Number
12618668
Category
Differentials, Rear
Last Updated
4/12/2025
Location
Kansas City, MO, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
4
0
2010 Eaton RS404 Rear Differential for a Freightliner Cascadia
$375 USD
(USED) Eaton RS404 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
CASCADIA
Stock Number
25766962
MLS Number
13445905
Category
Differentials, Rear
Last Updated
4/4/2025
Location
Sioux Falls, SD, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
4
0
2011 Eaton RS404 Rear Differential for a International Prostar
$375 USD
(USED) Eaton RS404 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812
Condition
Used
Fits To Make(s)
International
Fits To Model(s)
PROSTAR
Stock Number
25768543
MLS Number
13451012
Category
Differentials, Rear
Last Updated
4/4/2025
Location
Kansas City, MO, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
5
0
2009 Eaton RS404 Rear Differential for a International Prostar
$375 USD
(USED) Eaton RS404 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY
Condition
Used
Fits To Make(s)
International
Fits To Model(s)
PROSTAR
Stock Number
25771863
MLS Number
13476154
Category
Differentials, Rear
Last Updated
4/4/2025
Location
Sioux Falls, SD, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
4
0
2007 Eaton RS404 Rear Differential for a Freightliner Columbia 120
$375 USD
(USED) Eaton RS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: RS404
Condition
Used
Fits To Make(s)
Freightliner
Fits To Model(s)
COLUMBIA 120
Stock Number
25775740
MLS Number
13495202
Category
Differentials, Rear
Last Updated
4/4/2025
Location
Spencer, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
7
0
Eaton RS404 Rear Differential
$400 USD
RS404 - 3.90 Ratio - Pullout - Grade B - Dust Contamination In Tail Bearings, Good Gear Set., Axle Spline Count: 41, Ratio: 3.90
Condition
Used
Rear End
3.90 ratio
Stock Number
4541496
MLS Number
13486150
Category
Differentials, Rear
Last Updated
3/29/2025
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Eaton RS404 Rear Differential for a Volvo VNL
$695 USD
RS404 2.93 WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Axle Spline Count: 41, Ratio: 2.93
Condition
Used
Rear End
2.93 ratio
Fits To Make(s)
Volvo
Fits To Model(s)
VNL
Part Number
RS404
Stock Number
84064
MLS Number
13486043
Category
Differentials, Rear
Last Updated
3/29/2025
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
2
3
4
5
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
What option below best describes your issue?
Choose an option...
I still cannot find what I am looking for.
How do I filter or sort my search?
Could you add a feature?
A picture or description looks incorrect.
Something is broken.
Thank you for the feedback! If you have any suggestions on how to improve our site, please let us know.
Send Feedback
Thank you for the feedback! Your suggestions and feedback immensely help us improve our site.
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
Search Saved
Your search criteria for
has been saved. Quickly jump to this search by going to
My Account
and
Saved Searches
.
Alert Created
Your new listings email alert for
has been created. To change the email frequency or to modify your alerts, click on
My Account
,
Personal Settings
, and
New Listing Alerts
.