Eaton RS404-3.70 Rear Differentials For Sale

Browse Eaton RS404-3.70 Rear Differentials on MyLittleSalesman.com and compare listings with prices from $899 to $900. Sellers include High Mountain Horsepower. Filter by condition, price, or year to quickly narrow down to the right Eaton RS404-3.70 Rear Differential.

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Truck Parts

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Differentials, Rear

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Eaton

Model
RS404-3.70

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1 - 5 of 5 listings

Eaton RS404-3.70 Rear Differential for a Freightliner COLUMBIA

2005 Eaton RS404-3.70 Rear Differential for a Freightliner COLUMBIA

$899 USD

RS404 3.70 Inspected Takeout +$250 Core, SN: HN01443254, OEM# S11-21808-370

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	COLUMBIA
Stock Number	11280
MLS Number	13160162
Category	Differentials, Rear
Last Updated	1/28/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(833) 913-___ SHOW
NUMBERCall Seller

High Mountain Horsepower

Eaton RS404-3.70 Rear Differential

Eaton RS404-3.70 Rear Differential

$899.95 USD

Eaton RS404 3.70 Inspected Takeout +$150 Core, Ratio: 3.70, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker

Condition	Used
Rear End	3.70 ratio
Stock Number	15417
MLS Number	13908208
Category	Differentials, Rear
Last Updated	1/24/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(833) 913-___ SHOW
NUMBERCall Seller

High Mountain Horsepower

Eaton RS404-3.70 Rear Differential

Eaton RS404-3.70 Rear Differential

$899.95 USD

RS404 3.70 Inspected takeout +250 core, Yoke 1710 Full round, Side gear 41 Spline, Input 39 Spline

Condition	Used
Rear End	3.70 ratio
Stock Number	12544
MLS Number	13376958
Category	Differentials, Rear
Last Updated	12/25/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(833) 913-___ SHOW
NUMBERCall Seller

High Mountain Horsepower

Eaton RS404-3.70 Rear Differential for a Freightliner COLUMBIA

2003 Eaton RS404-3.70 Rear Differential for a Freightliner COLUMBIA

$899 USD

RS404 3.70 Inspected Takeout +$250 core, Yoke 1710 Full Round, Side Gear 41 Spline, Input 39 Spline

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	COLUMBIA
Stock Number	12536
MLS Number	13376950
Category	Differentials, Rear
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(833) 913-___ SHOW
NUMBERCall Seller

High Mountain Horsepower

Eaton RS404-3.70 Rear Differential for a Freightliner COLUMBIA

2005 Eaton RS404-3.70 Rear Differential for a Freightliner COLUMBIA

$899.95 USD

RS404 3.70 Inspected takeout +$250 Core, Yoke 1710 full round, 41 Side Gear, 39 spline, NON-LOCKER

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	COLUMBIA
Stock Number	12460
MLS Number	13355857
Category	Differentials, Rear
Last Updated	12/16/2025
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(833) 913-___ SHOW
NUMBERCall Seller

High Mountain Horsepower

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