Frontier Truck Parts Axles & Differentials For Sale

Frontier Truck Parts
4363 Walnut Dale Dr.
Dorr, MI 49323
United States
(855) 300-2939

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Differentials, Rear

Axle Shafts

Axle Housings, Rear

Axle Assemblies, Front

Spindles / Knuckles

Axle Housings

Differentials, Unspecified

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Axle Housings, Front

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26 - 50 of 1,583 listings

New Spicer LH Spindle

Newly Listed

$2,693.64 USD

New Spicer LH Spindle., Side: Driver, ABS: Yes

Condition	New
Side	Driver
Part Number	973224
Stock Number	401-21724
MLS Number	14636493
Category	Spindles / Knuckles
Last Updated	10/1/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton RH Spindle

Newly Listed

$2,036.79 USD

New Eaton RH Spindle, Side: Passenger, ABS: Yes

Condition	New
Side	Passenger
Part Number	220SK1391
Stock Number	401-21723
MLS Number	14636492
Category	Spindles / Knuckles
Last Updated	10/1/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton 20F4 Driver Side Spindle

$1,027 USD

Used 20F4 Driver Side Spindle, Side: Driver

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	18F3
Side	Driver
Part Number	813776
Stock Number	401-21664
MLS Number	14631740
Category	Spindles / Knuckles
Last Updated	9/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton 20F4 Passenger Side Spindle

$1,027 USD

Used 20F4 Passenger Side Spindle, Side: Passenger

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	18F3
Side	Passenger
Part Number	813777
Stock Number	401-21665
MLS Number	14631739
Category	Spindles / Knuckles
Last Updated	9/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Eaton S19-140 Air Ride Axle Housing

$2,500 USD

Reconditioned S19-140 Air Ride Axle Housing, Position: Rear

Condition	Remanufactured
Part Number	323941
Stock Number	300-27651
MLS Number	14631730
Category	Axle Housings
Last Updated	9/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton RS404 Ratio 3.90 Non-Locker

$395 USD

Used RS404 Ratio 3.90 Non-Locker

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RS-404
Part Number	214462
Stock Number	700-15512
MLS Number	14629261
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2020 Used Meritor RRL23160 Ratio 2.50 Locker

$1,395 USD

Used RRL23160 Ratio 2.50 Locker

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	RS-23-160
Will Fit Year(s)	2020
Part Number	3200F2138
Stock Number	700-15518
MLS Number	14629260
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2005 Used Eaton R46170 Ratio 4.10 Locker

$2,500 USD

Used R46170 Ratio 4.10 Locker

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	R46-170
Will Fit Year(s)	2005
Part Number	R46-170
Stock Number	700-15523
MLS Number	14629259
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton RS404 Differential Non-locker Ratio 4.33

$395 USD

Used RS404 Differential Non-locker Ratio 4.33

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RS-404
Part Number	509829
Stock Number	700-15533
MLS Number	14629257
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2023 Used Meritor MR2014X Differential - Ratio: 2.79 - Non-Locker

$895 USD

Used MR2014X Differential - Ratio: 2.79 - Non-Locker

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	MR2014X
Will Fit Year(s)	2023
Part Number	MR2014X
Stock Number	700-15553
MLS Number	14629253
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2021 Used Eaton S-140 Differential - Ratio 4.88 - Non-Locker

$1,850 USD

Used Eaton S-140 Differential - Ratio 4.88 - Non-Locker

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	S-140
Will Fit Year(s)	2021
Part Number	515260
Stock Number	700-15554
MLS Number	14629251
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2016 Used Meritor MS1914X Ratio 5.57 Non-Locker

$1,195 USD

Used MS1914X Ratio 5.57 Non-Locker

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	MS19-14X
Will Fit Year(s)	2016
Part Number	3200L1676
Stock Number	700-15555
MLS Number	14629250
Category	Differentials, Unspecified
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton LH Spindle

$787.75 USD

New Eaton LH Spindle, Side: Driver, ABS: Yes

Quantity	3
Condition	New
Side	Driver
Part Number	081SK144
Stock Number	401-21717
MLS Number	14629249
Category	Spindles / Knuckles
Last Updated	9/29/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Meritor RD20145 MD2014X Differential Locker Ratio 3.55

$1,495 USD

Used RD20145 MD2014X Differential Locker Ratio 3.55

Condition	Used
Part Number	MD2014X
Stock Number	700-15488
MLS Number	14627035
Category	Differentials, Unspecified
Last Updated	9/26/2026
Location	Dorr, MI, US
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2018 Used Eaton DSP41 Differential - Ratio: 3.70 - Non-Locker

$1,695 USD

Used DSP41 Differential - Ratio: 3.70 - Non-Locker

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	DSP41
Will Fit Year(s)	2018
Part Number	514538
Stock Number	700-15496
MLS Number	14627033
Category	Differentials, Unspecified
Last Updated	9/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2018 Used Alliance ARS210-4 Ratio 5.22 Non-Locker

$595 USD

Used ARS210-4 Ratio 5.22 Non-Locker

Condition	Used
Fits To Make(s)	Alliance
Fits To Model(s)	ARS190-4
Will Fit Year(s)	2018
Part Number	6093500703
Stock Number	700-15498
MLS Number	14627032
Category	Differentials, Unspecified
Last Updated	9/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton RS404 Differential Non-Locker Ratio 5.57

$395 USD

Used RS404 Differential Non-Locker Ratio 5.57

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RS-404
Part Number	RS-404
Stock Number	700-15535
MLS Number	14627029
Category	Differentials, Unspecified
Last Updated	9/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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1997 Used Meritor RRL23160 Differential - Ratio: 5.38 - Locker

$1,395 USD

Used RRL23160 Differential - Ratio: 5.38 - Locker

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	RR-23-160
Will Fit Year(s)	1997
Part Number	A23200F2138
Stock Number	700-15542
MLS Number	14627028
Category	Differentials, Unspecified
Last Updated	9/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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1999 Used Meritor RD20145 Differential - Ratio: 4.11 - Non-Locker

$1,050 USD

Used RD20145 Differential - Ratio: 4.11 - Non-Locker

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	RD-20-145
Will Fit Year(s)	1999
Part Number	3200B1978
Stock Number	700-15549
MLS Number	14627027
Category	Differentials, Unspecified
Last Updated	9/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Alliance R15-2N Spring Axle Housing

$2,250 USD

Reconditioned R15-2N Spring Axle Housing, Position: Rear

Condition	Remanufactured
Part Number	A6803508130
Stock Number	300-27654
MLS Number	14627024
Category	Axle Housings
Last Updated	9/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Spicer Eaton Driver Side Spindle

$2,000.87 USD

New Eaton Driver Side Spindle, Side: Driver, ABS: Yes

Condition	New
Side	Driver
Part Number	972252
Stock Number	401-21714
MLS Number	14627021
Category	Spindles / Knuckles
Last Updated	9/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton LH Spindle

$2,556.13 USD

New LH Spindle, Side: Driver, ABS: Yes

Condition	New
Side	Driver
Part Number	817729
Stock Number	401-21716
MLS Number	14627020
Category	Spindles / Knuckles
Last Updated	9/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Spicer Eaton RH Spindle

$2,864.65 USD

New Eaton RH Spindle, Side: Passenger, ABS: Yes

Condition	New
Side	Passenger
Part Number	120SK160X
Stock Number	401-21715
MLS Number	14627019
Category	Spindles / Knuckles
Last Updated	9/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton RS404 Differential Non-Locker Ratio 3.25

$395 USD

Used RS404 Differential Non-Locker Ratio 3.25

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RS-404
Part Number	RS-404
Stock Number	700-15532
MLS Number	14625274
Category	Differentials, Unspecified
Last Updated	9/25/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2020 Used Eaton R46170L Ratio 2.87 Locker

$2,195 USD

Used R46170L Ratio 2.87 Locker

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	R46-170
Will Fit Year(s)	2020
Part Number	515750
Stock Number	700-15547
MLS Number	14625272
Category	Differentials, Unspecified
Last Updated	9/25/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts