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Eaton RS404 Rear Differentials For Sale

Shop used and remanufactured Eaton RS404 Rear Differentials on MyLittleSalesman.com . Compare active listings with prices from $200 to $2,602. Sellers include Vander Haag's, Rydemore Heavy Duty Truck Parts, Holst Truck Parts, and more. Filter by condition, price, or year to find the Eaton RS404 Rear Differential that fits your job.
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Showing 1 - 25 of 638 Rear Differential Listings

1 - 25 of 638 listings
1 - 25 of 638 listings
Eaton RS404 Rear Differential for a 2003 Peterbilt 379

Eaton RS404 Rear Differential for a 2003 Peterbilt 379

$795 USD
RS404 3.55 GOOD INSPECTED TAKEOUT/ 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250.00, Ratio: 3.55
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)379
Will Fit Year(s)2003
Part NumberRSP40 RSP41 RS404
Stock Number122124-3
MLS Number13315630
CategoryDifferentials, Rear
Last Updated8/5/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Eaton RS404 Rear Differential for a 2000 Kenworth T800

Eaton RS404 Rear Differential for a 2000 Kenworth T800

$695 USD
RS404 3.90 RATIO USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY., Axle Spline Count: 41, Ratio: 3.90, Casting#: 127608
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Kenworth
Fits To Model(s)T800
Will Fit Year(s)2000
Stock Number10826-2
MLS Number14087670
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Eaton RS404 Rear Differential for a 1996 Kenworth T600

Eaton RS404 Rear Differential for a 1996 Kenworth T600

$595 USD
GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 250.00, Ratio: 355
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T600
Will Fit Year(s)1996
Part NumberRS404
Stock Number71125-4
MLS Number13706538
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Eaton RS404 Rear Differential for a 1996 Volvo WCA Areo Series

Eaton RS404 Rear Differential for a 1996 Volvo WCA Areo Series

$595 USD
RS404 3.55 GOOD INSPECTED TAKEOUT 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 150.00, Ratio: 3.55
ConditionUsed
Rear End3.55 ratio
Fits To Make(s)Volvo
Fits To Model(s)WCA Areo Series
Will Fit Year(s)1996
Part NumberRS404
Stock Number31525-5
MLS Number13458345
CategoryDifferentials, Rear
Last Updated6/13/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Eaton RS404 Rear Differential for a 2001 Volvo VNL

Eaton RS404 Rear Differential for a 2001 Volvo VNL

$695 USD
RS404 3.55 GOOD INSPECTED TAKEOUT 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 200, Ratio: 3.55
ConditionUsed
Fits To Make(s)Volvo
Fits To Model(s)VNL
Will Fit Year(s)2001
Part NumberRS404 17060 19060 21060
Stock Number120124-5
MLS Number13265772
CategoryDifferentials, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
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