Eaton DS404 Truck Parts For Sale

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Eaton DS404 Half Round Yoke for 1810 Series U Joint

$80 USD

GOOD CLEAN AND INSPECTED HALF ROUND YOKE. U JOINT CAP DIAMETER= 2" U JOINT WIDTH= 7" 5/8 SPLINE DIAMETER= 2" 1/4 FITS 1810 SERIES U JOINT, Core Charge: 0.00

Condition	Used
Fits To Make(s)	EATON
Fits To Model(s)	DS404
Stock Number	1736
MLS Number	10274877
Category	Differential Misc. Parts
Last Updated	3/27/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

Eaton DS404 Front Axle Housing for a Kenworth

$1,500 USD

OEM# 305828,

Condition	Used
Fits To Make(s)	KENWORTH
Stock Number	1931
MLS Number	10891986
Category	Axle Housings, Front
Last Updated	2/22/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

Eaton DS404 Front Axle Housing

$2,000 USD

OEM# 321300 GOOD CONDITION USED REAR/REAR AXLE HOUSING, SKINNY 4-BAG AIR SUSPENSION BRACKET

Condition	Used
Stock Number	14812
MLS Number	11507614
Category	Axle Housings, Front
Last Updated	2/20/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

Eaton DS404 Input Shaft Kit, Part # 510593 / 216226 / 128704 / SA920 504181

$143 USD

input shaft kit

Quantity	2
Condition	New
Part Number	510593 / 216226 / 128704 / sa920 504181
Stock Number	216226
MLS Number	9003007
Category	Differential Misc. Parts
Last Updated	3/27/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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2010 Eaton DS404 Front Differential for a International Prostar

$1,217 USD

(USED) Eaton DS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 132038 Ref# 514524

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Part Number	514524
Stock Number	25824479
MLS Number	13699476
Category	Differentials, Front
Last Updated	2/22/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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Eaton DS404 Front Differential

$1,100 USD

Good used Eaton DS404 Front, Rear Differential Assembly 3.55 Ratio 90 day guarantee for swap or refund

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DS404
Stock Number	Ryd DS404/3.55/41
MLS Number	10204552
Category	Differentials, Front
Last Updated	2/18/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Reconditioned Eaton DS-404 Low Air Leaf Axle Housing

$2,450 USD

Reconditioned DS-404 Low Air Leaf Axle Housing, Position: Front

Condition	Remanufactured
Fits To Make(s)	Eaton
Fits To Model(s)	DS-404
Part Number	319950
Stock Number	300-26979
MLS Number	14128317
Category	Axle Housings
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Eaton DS404 Front Axle Housing for a 2010 International PROSTAR

$1,095 USD

DS404 FRONT AXLE HOUSING ON IH AIR, Hub Bolts: 10, Suspension: IH AIR, Brake Type: DRUM/AIR

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Will Fit Year(s)	2010
Stock Number	20226-9
MLS Number	14123531
Category	Axle Housings, Front
Last Updated	2/4/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Front Differential for a 2010 International PROSTAR

$1,095 USD

DS404 3.55 RATIO USED TAKEOUT. WILL INSPECT IN OUR GEARSHOP 90 DAY WARRANTY., Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	International
Fits To Model(s)	PROSTAR
Will Fit Year(s)	2010
Stock Number	20226-1
MLS Number	14123525
Category	Differentials, Front
Last Updated	2/4/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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2000 Eaton DS404 Front Differential for a Kenworth T800

$1,217 USD

(USED) Eaton DS404 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 129572 Ref# 129572

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Part Number	129572
Stock Number	25642811
MLS Number	12880403
Category	Differentials, Front
Last Updated	2/8/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

Reconditioned Eaton DS-404 Low Air Leaf Axle Housing

$2,450 USD

Reconditioned Eaton DS-404 Low Air Leaf Axle Housing, Position: Front

Condition	Remanufactured
Fits To Make(s)	Eaton
Part Number	319950
Stock Number	300-26893
MLS Number	14123074
Category	Axle Housings
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Eaton Rear Thru Shaft Housing DS404/DS405 DD404/DD405, Part # 127487

$300 USD

GOOD USED REAR THRU SHAFT HOUSING/DS404/DS405,DD404 DD405, Serial#: NA, Casting#: 127487

Condition	Used
Part Number	127487
Stock Number	127487
MLS Number	14113766
Category	Differential Misc. Parts
Last Updated	3/28/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Axle Shaft

$230.67 USD

RDP40 RD404 DD404 DDH40 LOCKER AXLE SHAFT 5/8 HOLE 43in Body Length 41 Spline 2.093 Spline OD S8-5/8 Hole, Axle Spline Count: 41, Serial#: NA, Length: 43, Axle Type: Locker

Condition	New
Part Number	128435 920192
Stock Number	128435 / s-17622
MLS Number	11157513
Category	Axle Shafts
Last Updated	1/27/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2017 Reconditioned Eaton DS-404 AG-380 Axle Housing

$2,450 USD

Reconditioned DS-404 AG-380 Axle Housing, Position: Front

Condition	Remanufactured
Fits To Make(s)	Eaton
Fits To Model(s)	DSP41
Will Fit Year(s)	2017
Part Number	321280
Stock Number	300-26970
MLS Number	14107557
Category	Axle Housings
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Eaton DS-404 Air Trac Axle Housing

$3,450 USD

New DS-404 Air Trac Axle Housing, Position: Front

Condition	New
Fits To Make(s)	Eaton
Fits To Model(s)	DS-404
Part Number	10059912
Stock Number	300-25876
MLS Number	13312546
Category	Axle Housings
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Eaton Rear Closing Crossmember

$487 USD

Used Eaton Rear Closing Crossmember, W x H x L: 17.00" x 11.00" x 42.00"

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	DS404
Stock Number	648-11321
MLS Number	11950830
Category	Crossmembers
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2006 Eaton DS404 Front Axle Housing for a International 9200I

$850 USD

Eaton Front Rear Axle Housing, DS404, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes. P/N 321622. Removed From 2006 International Corporate Air/IROS Suspension.

Condition	Used
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	9200I
Stock Number	4226-22
MLS Number	14077706
Category	Axle Housings, Front
Last Updated	1/21/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton DS404 Front Differential

$1,100 USD

Good used Eaton DS404 front, rear differential assembly. 5.29 ratio 90 day guarantee for swap or refund.

Condition	Used
Rear End	5.29 ratio
Fits To Make(s)	EATON
Fits To Model(s)	DS404
Stock Number	Ryd DS404/5.29/41
MLS Number	12979107
Category	Differentials, Front
Last Updated	1/17/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Eaton DS404 Front Differential

$1,100 USD

Good used Eaton DS404 front, 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)	DS404
Stock Number	Ryd DS404/3.70/41
MLS Number	11724142
Category	Differentials, Front
Last Updated	1/17/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton DS404 Front Axle Housing

$1,500 USD

OEM: 319442

Condition	Used
Stock Number	10893
MLS Number	10894224
Category	Axle Housings, Front
Last Updated	1/14/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

1997 Eaton DS404 Front Axle Housing for a Freightliner FLD120

$1,500 USD

OEM 216129 / 10059808

Condition	Used
Suspension	Spring
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	FLD120
Stock Number	6562
MLS Number	10893134
Category	Axle Housings, Front
Last Updated	1/14/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

1998 Eaton DS404 Front Axle Housing for a Freightliner CENTURY CLASS 120

$1,500 USD

OEM# 306880 / 217823 / 10059808, FRONT/REAR AXLE HOUSING, 10LUG BUDD HUBS

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CENTURY CLASS 120
Stock Number	2196
MLS Number	10892021
Category	Axle Housings, Front
Last Updated	1/14/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

Eaton DS404 Front Axle Housing for a 2000 Kenworth T800

$1,295 USD

DS404 FRONT AXLE HOUSING, AG200 SUSPENSION, Hub Bolts: 10, Suspension: AG200, Brake Type: AIR

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2000
Stock Number	10826-9
MLS Number	14087678
Category	Axle Housings, Front
Last Updated	1/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Front Differential for a 2000 Kenworth T800

$1,095 USD

DS404 3.90 RATIO USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY., Ratio: 3.90

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2000
Stock Number	10826-1
MLS Number	14087669
Category	Differentials, Front
Last Updated	1/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts