New Eaton DS404 Axles &amp; Differentials For Sale

Eaton DS404 Differential Part

$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	2/20/2026
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

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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

Eaton DS404 Differential Part

$48.60 USD

HELICAL GEAR BUSHING DS 404 AND OTHER MODELS, Serial#: 129371, Core Charge: N/A, Casting#: 129371

Condition	New
Part Number	129371 920090
Stock Number	129371
MLS Number	11293331
Category	Differential Misc. Parts
Last Updated	12/24/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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New Eaton DS-404 Front AG-380 Axle Housing

$3,400 USD

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

Condition	New
Fits To Make(s)	Eaton
Fits To Model(s)	DS-404
Part Number	10059912
Stock Number	300-26012
MLS Number	13312552
Category	Axle Housings
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Eaton DS404 Differential Part

$263.20 USD

ds404 dsp 40 3.08 front gear set, Serial#: 513386, Core Charge: N/A, Casting#: 513386

Condition	New
Part Number	513386
Stock Number	513386
MLS Number	11046002
Category	Differential Misc. Parts
Last Updated	11/14/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$18.85 USD

BREATHER AND TUBE KIT FOR DS404 AND RS404 AND OTHER EATON MODELS, Serial#: 507162, Core Charge: N/A, Casting#: 507162

Condition	New
Part Number	507162
Stock Number	507162
MLS Number	11224488
Category	Differential Misc. Parts
Last Updated	11/4/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$352.69 USD

DS404 5.57 GEARSET, Serial#: 513375, Core Charge: N/A, Casting#: 513375

Condition	New
Part Number	211475 513375 511283
Stock Number	513375
MLS Number	11873955
Category	Differential Misc. Parts
Last Updated	9/20/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Axle Shaft

$201.42 USD

NEW AXLE SHAFT FITS MANY DS404/RS404 DSP40/RSP40 NON LOCKER 38.976" 8 HOLE 9/16 STRAIGHT HOLE, Axle Spline Count: 41, Serial#: NA, Length: 38.976, Axle Type: Non-Locker

Condition	New
Part Number	127437 SD884 S-D884 920190
Stock Number	920190 SD884
MLS Number	11830322
Category	Axle Shafts
Last Updated	2/12/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Axle Shaft

$201.42 USD

NEW AXLE SHAFT DS/RS404 405 DSP/RSP40 DSH/RSH40 5/8 STRAIGHT HOLE, Axle Spline Count: 41, Length: 43 5/16, Casting#: 127438 1227 S-D885 920191

Condition	New
Part Number	127438 1227 S-D885 920191
Stock Number	920191 SD885
MLS Number	9005261
Category	Axle Shafts
Last Updated	9/5/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$297 USD

DS 404 DSP 40 AND OTHER VARIOUS MODELS GEARSET 3.25, Serial#: 513385, Core Charge: N/A, Casting#: 513385

Condition	New
Part Number	513385
Stock Number	513385
MLS Number	10619908
Category	Differential Misc. Parts
Last Updated	8/1/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$384.66 USD

3 GEAR POWER DIVIDER KIT fits DS404 DSP40,41 before 08, Serial#: PD404, Core Charge: N/A, Casting#: PD404

Quantity	5
Condition	New
Part Number	pd404 eards404pd S-17113 504404-1
Stock Number	pd404
MLS Number	9003622
Category	Differential Misc. Parts
Last Updated	3/1/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$55.80 USD

LOCKOUT CLUTCH, Serial#: 127510, Core Charge: n/a, Casting#: 127510

Condition	New
Part Number	127510
Stock Number	127510
MLS Number	9003313
Category	Differential Misc. Parts
Last Updated	1/17/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$72.52 USD

IAD LOCK OUT EARLY DS404, Serial#: 507494, Core Charge: N/A, Casting#: 507494

Condition	New
Part Number	507494
Stock Number	507494
MLS Number	13218341
Category	Differential Misc. Parts
Last Updated	11/7/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$15.95 USD

slotted pinion nut, Serial#: 126182, Core Charge: N/A, Casting#: 126182

Quantity	25
Condition	New
Part Number	SA135 126182
Stock Number	126182
MLS Number	9003157
Category	Differential Misc. Parts
Last Updated	10/26/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$24.85 USD

bearing and race set thru shaft various models, Serial#: lm104949/jlm104910, Core Charge: N/A, Casting#: lm104949/jlm104910 SET82 SET82.T SET 82

Condition	New
Part Number	lm104949/jlm104910
Stock Number	lm104949/jlm104910
MLS Number	10473251
Category	Differential Misc. Parts
Last Updated	1/20/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$328.92 USD

POWER DIVIDER COVER DS404 DSP40, Serial#: 130823, Core Charge: N/A, Casting#: 130823

Condition	New
Part Number	130823
Stock Number	130823
MLS Number	12793110
Category	Differential Misc. Parts
Last Updated	4/23/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$130.89 USD

IAD FOR DSP 40 DS404, Serial#: 128634, Core Charge: N/A, Casting#: 128634

Condition	New
Part Number	128634 134192 129771
Stock Number	128634
MLS Number	11994130
Category	Differential Misc. Parts
Last Updated	12/10/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$1.35 USD

PINION NUT ROLL PIN FOR DS404 AND OTHER MODELS, Serial#: 118807, Core Charge: N/A, Casting#: 118807

Condition	New
Part Number	118807
Stock Number	118807
MLS Number	11411527
Category	Differential Misc. Parts
Last Updated	5/19/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$79.73 USD

DS404 THIN MOUNTING FLANGE BOLT KIT, Serial#: 511600, Core Charge: N/A, Casting#: 511600

Condition	New
Part Number	511600 EAT511600
Stock Number	511600
MLS Number	11293333
Category	Differential Misc. Parts
Last Updated	10/18/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Axle Shaft

$186.54 USD

NEW EATON STYLE AXLE SHAFT. 8 HOLE TAPER AXLE BOLTS WITH .948 HOLES. 2.10-41 SPINE, Axle Spline Count: 41, Serial#: 128516, Length: 38.976, Axle Type: Non-Locker

Condition	New
Part Number	128516
Stock Number	S-E633
MLS Number	11202348
Category	Axle Shafts
Last Updated	5/19/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$4.19 USD

404 THRU SHAFT SNAP RINGS, Serial#: 129594 EE28290 127538, Core Charge: N/A, Casting#: 129594 EE28290 127538

Condition	New
Part Number	129594
Stock Number	129594
MLS Number	10498580
Category	Differential Misc. Parts
Last Updated	5/19/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$7.34 USD

piston, Serial#: 129150, Core Charge: n/a, Casting#: 129150

Condition	New
Part Number	129150
Stock Number	129150
MLS Number	10183133
Category	Differential Misc. Parts
Last Updated	5/19/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Eaton DS404 Differential Part

$158.16 USD

input helical gear for ds404 dsp40

Condition	New
Part Number	127495 130907
Stock Number	127495
MLS Number	9952723
Category	Differential Misc. Parts
Last Updated	5/19/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts