Eaton Truck Parts For Sale

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Eaton DD404 Front Axle Assembly for a 2004 Peterbilt 379

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2004 PETE 379 DANA E 1200I STEER AXLE, 2 LEAF, ABS, DRUM BRAKE, 12000 LBS, Serial#: NA, Hub Bolts: 10, Ratio: 3.90, Brake Type: DRUM

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2004
Stock Number	3880-PETE-6
MLS Number	14095830
Category	Axle Assemblies, Front
Last Updated	1/18/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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Eaton RS404 Rear Differential for a 2004 Peterbilt 379

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2004 PETE 379 EATON 405 REAR DIFF WITH LOCK, LOW AIR LEAF SUSPENSION, ABS, DRUM BRAKE, 40000 LBS, Serial#: NA, Ratio: 3.90, Casting#: NA

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2004
Stock Number	3880-PETE-5
MLS Number	14095829
Category	Differentials, Rear
Last Updated	1/17/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

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Eaton DD404 Front Differential for a 2004 Peterbilt 379

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2004 PETE 379 EATON 404 FRONT DIFF WITH LOCK, 3.90 RATIO, LOW AIRLEAF SUSPENSION, Serial#: NA, Ratio: 3.90, Casting#: NA

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2004
Stock Number	3880-PETE-4
MLS Number	14095827
Category	Differentials, Front
Last Updated	1/17/2026
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

(855) 300-___ SHOW
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Reconditioned Eaton RS-402 Air Leaf Axle Housing

$2,450 USD

Reconditioned RS-402 Air Leaf Axle Housing, Position: Rear

Condition	Remanufactured
Part Number	303192
Stock Number	300-26933
MLS Number	14095210
Category	Axle Housings
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(855) 794-___ SHOW
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2000 Eaton RSH40 Rear Differential for a Peterbilt 357

$300 USD

RSH40 - Ratio 4.88 - Core - Grade C - Rebuildable - Pitting On Ring Gear - Good Case. Core Unit Sold As-Is.

Condition	Used
Rear End	4.88 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	357
Stock Number	1301-15
MLS Number	14095204
Category	Differentials, Rear
Last Updated	1/16/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2000 Eaton DSH40 Front Differential for a Peterbilt 357

$750 USD

DSH40 - Ratio 4.88 - Core - Grade C - Rebuildable - Deep Pitting On Ring Gear, Good Case Power Divider. Core Unit Sold As-Is

Condition	Used
Rear End	4.88 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	357
Stock Number	1301-14
MLS Number	14095164
Category	Differentials, Front
Last Updated	1/16/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(866) 828-___ SHOW
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2010 Eaton RSP40 Rear Differential for a Kenworth T800

$599.99 USD

EATON RSP40 REAR REAR DIFFERENTIAL RATIO 3.70 , From 2010 Kenworth T800 VIN 1XKDD09XXAJ268270

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T800
Stock Number	131614
MLS Number	11359516
Category	Differentials, Rear
Last Updated	1/16/2026
Location	Owensboro, KY, US
Sold By	West Side Truck Parts

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Eaton S-A728 Transmission Part

$19.32 USD

Eaton 8 Hole Transmission PTO Plate Cover 4302809

Condition	New
Stock Number	129193
MLS Number	11358921
Category	Transmission Parts
Last Updated	1/16/2026
Location	Owensboro, KY, US
Sold By	West Side Truck Parts

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Eaton RDP41 Rear Differential

$1,350 USD

Good used Eaton RDP41 Rear, Rear Differential Assembly. 4.63 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	4.63 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RDP41
Stock Number	Ryd RDP41/4.63/41 L
MLS Number	14095085
Category	Differentials, Rear
Last Updated	1/16/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(833) 913-___ SHOW
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Eaton DS402 Differential Part

$9.24 USD

Thrust washer, side gear DS/DT 341/381/401/402

Quantity	3
Condition	New
Stock Number	85429R
MLS Number	13999862
Category	Differential Misc. Parts
Last Updated	1/20/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower

(888) 595-___ SHOW
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Eaton 21060S Rear Differential

$1,010 USD

Livraison partout au Canada États-Unis / We ship anywhere in Canada USA 40 000lbs, Arrière, NO Lock, sans core + 200$ 40 000lbs, Rear, NO Lock, no core + 200$ Stock: 30581D, Core Charge...

Condition	Used
Rear End	5.29 ratio
Stock Number	30581D
MLS Number	14094066
Category	Differentials, Rear
Last Updated	1/16/2026
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert

(844) 402-___ SHOW
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Eaton 19050T Rear Axle Housing for a 1988 GMC C7000

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(Used) 1988 GMC C7000, DIFFERENTIAL HOUSING ONLY- Part Number: A-113699-N, Serial Number: TBD, Make: Eaton, Model: 19050T, Ratio: 6.57, Capacity: 16,160 Lbs, Suspension: Leaf Springs, For...

Condition	Used
Fits To Make(s)	GMC
Fits To Model(s)	C7000
Will Fit Year(s)	1988
Part Number	A-113699-N
Stock Number	P-111091
MLS Number	13813760
Category	Axle Housings, Rear
Last Updated	1/17/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(855) 370-___ SHOW
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2019 Eaton RSP40 Rear Differential for a Peterbilt 579

$395 USD

(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: NONE Ref# 7012393

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	7012393
Stock Number	25712985
MLS Number	13230922
Category	Differentials, Rear
Last Updated	1/16/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
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2014 Eaton DSP40 Front Differential for a Kenworth T680

Price Drop $1,185 USD

(USED) Eaton DSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# 514536

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Part Number	514536
Stock Number	25779921
MLS Number	13543454
Category	Differentials, Front
Last Updated	1/16/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
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2005 Eaton RST41 Rear Differential for a Mack CXN

$495 USD

(USED) Eaton RST41 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 130825

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CXN
Stock Number	25810413
MLS Number	13643617
Category	Differentials, Rear
Last Updated	1/16/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(855) 300-___ SHOW
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Reconditioned Eaton RS-404 AG-200 Axle Housing

$2,450 USD

Reconditioned RS-404 AG-200 Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Eaton
Part Number	305830
Stock Number	300-26877
MLS Number	14093381
Category	Axle Housings
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Eaton VARIOUS EATON TRANSMISSION MODELS Transmission Part for a Eaton VARIOUS TRANSMISION MODELS

$150 USD

Good used, cleaned and inspected Eaton automatic shift control. Part number: S11-6138. 30 Day guarantee for swap or refund.

Condition	Used
Fits To Make(s)	EATON
Fits To Model(s)	VARIOUS EATON TRANSMISION MODELS
Part Number	S11-6138
Stock Number	Ryd S11-6138
MLS Number	14093150
Category	Transmission Parts
Last Updated	1/15/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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2004 Eaton DS462P Front Axle Housing for a Eaton 320

$1,500 USD

Good used inspected Eaton DS462P Front, Rear Axle Housing. 30 day guarantee for swap or refund

Condition	Used
Fits To Make(s)	EATON
Fits To Model(s)	320
Part Number	307894
Stock Number	1055418
MLS Number	14093091
Category	Axle Housings, Front
Last Updated	1/15/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2003 Eaton RD454 Rear Axle Housing for a Peterbilt 357

$2,000 USD

OEM# 321550, GOOD CONDITION USED REAR/REAR AXLE HOUSING

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	357
Stock Number	13731
MLS Number	10895787
Category	Axle Housings, Rear
Last Updated	1/15/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

2003 Eaton DS405 Front Axle Housing for a Crane Carrier C N/A

$1,500 USD

GOOD USED FRONT REAR HOUSING

Condition	Used
Fits To Make(s)	CRANE CARRIER C
Fits To Model(s)	N/A
Stock Number	9915
MLS Number	10893983
Category	Axle Housings, Front
Last Updated	1/15/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

Eaton 11.36 Rear Axle Housing for a Van Hool BUS

$2,500 USD

OEM 302752, W/ABS

Condition	Used
Fits To Make(s)	VAN HOOL
Fits To Model(s)	BUS
Stock Number	6661
MLS Number	10893170
Category	Axle Housings, Rear
Last Updated	1/15/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

1996 Eaton RS451 Rear Axle Housing for a Crane Carrier C DRILL RIG (DR/IR)

$1,500 USD

OEM 307376, SAME AS RS402 THICKER HOUSING

Condition	Used
Fits To Make(s)	CRANE CARRIER C
Fits To Model(s)	DRILL RIG (DR/IR)
Stock Number	5832
MLS Number	10892986
Category	Axle Housings, Rear
Last Updated	1/15/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

1997 Eaton RS404 Rear Axle Housing for a Kenworth W900

$1,500 USD

OEM 305830

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	W900
Stock Number	1513
MLS Number	10891930
Category	Axle Housings, Rear
Last Updated	1/15/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

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2023 Eaton DDH40P Front Differential for a Kenworth T880

$1,895 USD

DDH40P 3.70 LOCKER Inspected Takeout , +$750 Core, Yoke: SPL250, Side Gear: 41 Splines, Input: 44 Splines,

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	T880
Stock Number	16251
MLS Number	14092629
Category	Differentials, Front
Last Updated	1/17/2026
Location	Spokane Valley, WA, US
Sold By	High Mountain Horsepower