1. Home
  2. For Sale
  3. Truck Parts
  4. Axles & Differentials
  5. Eaton
  6. RS404

Eaton RS404 Axles & Differentials For Sale

Close
Your Current Search
Industry
Truck Parts
Category
Axles & Differentials
Manufacturer
Eaton
Model
RS404
Market Type
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 (875)
Category
Axles & Differentials (875)
   Axle Assemblies, Front (1)    Axle Housings, Rear (217)    Axle Shafts (10)    Differential Misc. Parts (15)    Differentials, Front (1)    Differentials, Rear (623)    Differentials, Unspecified (8)
Make
Eaton (875)
Model
RS404 (875)
Condition
Model Year
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Yes (0)
No (0)
Price
-
Country
State / Region
Select a country to view available states.
Seller Type
Dealerships (875)
Market Type

Shop Axles & Differentials by Subcategory

Quick Filters

Showing 1 - 25 of 875 Listings

1 - 25 of 875 listings
1 - 25 of 875 listings
Eaton RS404 Rear Axle Housing for a 2000 Kenworth W900

Eaton RS404 Rear Axle Housing for a 2000 Kenworth W900

Recently Updated
$1,295 USD
REAR AXLE HOUSING RS404, REYCO 102 SUSPENSION, Serial#: 6NZ08157, Hub Bolts: 10 PILOT, Suspension: REYCO 102, Brake Type: DRUM
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)W900
Will Fit Year(s)2000
Stock Number120723-8
MLS Number12512412
CategoryAxle Housings, 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 RS404 Rear Axle Housing for a 1999 International 9100I

Eaton RS404 Rear Axle Housing for a 1999 International 9100I

Recently Updated
$750 USD
REAR HOUSING WELDED DS404 CVR HENDRICKSON AIR, Hub Bolts: 10 PILOT, Suspension: HENDRICKSON AIR RIDE, Brake Type: DRUM
ConditionUsed
Fits To Make(s)International
Fits To Model(s)9100I
Will Fit Year(s)1999
Stock Number11709
MLS Number12388247
CategoryAxle Housings, 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 RS404 Rear Differential for a 2007 International 9400I

Eaton RS404 Rear Differential for a 2007 International 9400I

Recently Updated
$795 USD
RS405 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250, Ratio: 3.55
ConditionUsed
Fits To Make(s)International
Fits To Model(s)9400I
Will Fit Year(s)2007
Part NumberRS405
Stock Number100423-9
MLS Number12368009
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 RS404 Rear Differential for a 1997 Kenworth T2000

Eaton RS404 Rear Differential for a 1997 Kenworth T2000

Recently Updated
$695 USD
RS404 3.70 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 200, Ratio: 3.7
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T2000
Will Fit Year(s)1997
Part NumberRS-404
Stock Number80923-8
MLS Number12238266
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 RS404 Rear Differential for a 1999 Freightliner Century Class 120

Eaton RS404 Rear Differential for a 1999 Freightliner Century Class 120

Recently Updated
$500 USD
RS404 3.55 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 3.55
ConditionUsed
Rear End3.55 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Century Class 120
Will Fit Year(s)1999
Stock Number42623-2
MLS Number12027842
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 RS404 Rear Differential for a 2007 International 9900IX

Eaton RS404 Rear Differential for a 2007 International 9900IX

Recently Updated
$695 USD
RS404 3.55 GOOD USED INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 150, Ratio: 3.55
ConditionUsed
Fits To Make(s)International
Fits To Model(s)9900IX
Will Fit Year(s)2007
Part NumberRS405
Stock Number21723-11
MLS Number11930477
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 RS404 Rear Axle Housing for a 1998 Kenworth T800

Eaton RS404 Rear Axle Housing for a 1998 Kenworth T800

Recently Updated
$1,295 USD
GOOD USED REAR REAR HOUSING/ LOOKS GOOD NO MAJOR RUST. WILL INSPECT SURFACES FITS AG200/400 RS404, Serial#: NA, Core Charge: NA, Hub Bolts: 10, Suspension: AG200
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)1998
Part NumberNA
Stock Number21923-7
MLS Number11926321
CategoryAxle Housings, 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 RS404 Rear Differential for a 1999 Kenworth W900

Eaton RS404 Rear Differential for a 1999 Kenworth W900

Recently Updated
$695 USD
RS404 3.70 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 200, Ratio: 3.7
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)W900
Will Fit Year(s)1999
Part NumberDS404
Stock Number110822-10
MLS Number11724530
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 RS404 Rear Axle Housing for a 1999 Kenworth W900

Eaton RS404 Rear Axle Housing for a 1999 Kenworth W900

Recently Updated
$1,495 USD
GOOD USED REAR REAR HOUSING/ RSP40 RS404 LOOKS GOOD. WILL CHECK SURFACES/ NO RUST, Serial#: NA, Hub Bolts: 10, Suspension: AG400, Brake Type: S CAM
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)W900
Will Fit Year(s)1999
Part NumberNA
Stock Number110822-4
MLS Number11724524
CategoryAxle Housings, 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 RS404 Rear Differential for a 2010 International PROSTAR

Eaton RS404 Rear Differential for a 2010 International PROSTAR

Recently Updated
$550 USD
RS404 3.55 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Serial#: 79373325, Ratio: 3.55, Casting#: 79373325
ConditionUsed
Rear End3.55 ratio
Fits To Make(s)International
Fits To Model(s)PROSTAR
Will Fit Year(s)2010
Stock Number41122-9
MLS Number11371642
CategoryDifferentials, Rear
Last Updated5/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst Truck Parts
Eaton RS404 Rear Differential for a 1998 Freightliner C120 CENTURY

Eaton RS404 Rear Differential for a 1998 Freightliner C120 CENTURY

Recently Updated
$495 USD
RS404 3.55 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 150, Ratio: 3.55
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)C120 CENTURY
Will Fit Year(s)1998
Part NumberRS-404
Stock Number30722-8
MLS Number11259383
CategoryDifferentials, Rear
Last Updated5/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst Truck Parts
Eaton RS404 Rear Differential for a 1999 Kenworth T800

Eaton RS404 Rear Differential for a 1999 Kenworth T800

Recently Updated
$795 USD
RS404 3.90 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Ratio: 3.9, Casting#: NA
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)1999
Part NumberRS-404
Stock Number52321-9
MLS Number10803325
CategoryDifferentials, Rear
Last Updated5/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst Truck Parts
Eaton RS404 Rear Axle Housing for a 1999 Kenworth T800

Eaton RS404 Rear Axle Housing for a 1999 Kenworth T800

Recently Updated
$1,295 USD
GOOD USED AG400/200 REAR REAR AXLE HOUSING. WILL FIT RS404 RSP40 RSP41, Serial#: NA, Hub Bolts: 10, Suspension: AG200, Brake Type: S CAM
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)1999
Part NumberAG400
Stock Number52321-5
MLS Number10803320
CategoryAxle Housings, Rear
Last Updated5/14/2026
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