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Used Eaton RS404 Axles & Differentials For Sale

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Axles & Differentials (824)
   Axle Assemblies, Front (1)    Axle Housings, Rear (230)    Axle Shafts (10)    Differential Misc. Parts (9)    Differentials, Front (1)    Differentials, Rear (565)    Differentials, Unspecified (8)
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Showing 51 - 75 of 824 Listings

51 - 75 of 824 listings
51 - 75 of 824 listings
Eaton RS404 Rear Differential for a 2007 International 9400I

Eaton RS404 Rear Differential for a 2007 International 9400I

$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
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(833) 541-___  SHOW
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Eaton RS404 Rear Differential for a 1997 Kenworth T2000

Eaton RS404 Rear Differential for a 1997 Kenworth T2000

$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
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(833) 541-___  SHOW
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Eaton RS404 Rear Differential for a 2007 International 9900IX

Eaton RS404 Rear Differential for a 2007 International 9900IX

$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
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(833) 541-___  SHOW
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Eaton RS404 Rear Axle Housing for a 1998 Kenworth T800

Eaton RS404 Rear Axle Housing for a 1998 Kenworth T800

$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
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(833) 541-___  SHOW
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Eaton RS404 Rear Differential for a 1999 Kenworth W900

Eaton RS404 Rear Differential for a 1999 Kenworth W900

$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
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Eaton RS404 Rear Axle Housing for a 1999 Kenworth W900

Eaton RS404 Rear Axle Housing for a 1999 Kenworth W900

$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
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Eaton RS404 Rear Differential for a 2010 International PROSTAR

Eaton RS404 Rear Differential for a 2010 International PROSTAR

$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
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Eaton RS404 Rear Differential for a 1998 Freightliner C120 CENTURY

Eaton RS404 Rear Differential for a 1998 Freightliner C120 CENTURY

$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
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Eaton RS404 Rear Differential for a 1999 Kenworth T800

Eaton RS404 Rear Differential for a 1999 Kenworth T800

$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
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Eaton RS404 Rear Axle Housing for a 1999 Kenworth T800

Eaton RS404 Rear Axle Housing for a 1999 Kenworth T800

$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
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