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

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76 - 100 of 1,569 listings

NTO Meritor RD-20-145 Front Spring Axle Housing

$2,200 USD

NTO RD-20-145 Front Spring Axle Housing, Position: Front

Quantity	6
Condition	New
Fits To Make(s)	Meritor
Fits To Model(s)	RD-20-145
Part Number	3121R2280
Stock Number	300-25475
MLS Number	12982907
Category	Axle Housings
Last Updated	8/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Mack 44,000LBS Cast Camelback

$2,950 USD

Reconditioned 44,000LBS Cast Camelback, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Mack
Fits To Model(s)	44,000LBS Cast
Part Number	19QF5287
Stock Number	300-26589
MLS Number	14534134
Category	Axle Housings
Last Updated	8/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton E1200I Driver Side Spindle

$950 USD

Used E1200I Driver Side Spindle, Side: Driver, ABS: Yes

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	E1200I
Side	Driver
Part Number	972982
Stock Number	401-21529
MLS Number	14534128
Category	Spindles / Knuckles
Last Updated	8/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton Passenger Side Spindle

$1,045 USD

Used Eaton Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	E1202i
Side	Passenger
Part Number	971839
Stock Number	401-21546
MLS Number	14534126
Category	Spindles / Knuckles
Last Updated	8/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Meritor Driver Side Spindle

$370 USD

Used Meritor Driver Side Spindle, Side: Driver, ABS: Yes

Condition	Used
Fits To Make(s)	Peterbilt
Will Fit Year(s)	2019
Side	Driver
Part Number	A3111A4759
Stock Number	401-21548
MLS Number	14534125
Category	Spindles / Knuckles
Last Updated	8/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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NTO Meritor MFS18 Passenger Side Spindle

$975 USD

NTO MFS18 Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	New
Fits To Make(s)	Meritor
Fits To Model(s)	MFS18
Side	Passenger
Part Number	A3111S3191
Stock Number	401-21560
MLS Number	14534124
Category	Spindles / Knuckles
Last Updated	8/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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NTO Meritor Driver Side Spindle

$975 USD

NTO Meritor Driver Side Spindle, Side: Driver, ABS: Yes

Condition	New
Fits To Make(s)	Meritor
Fits To Model(s)	MFS20
Side	Driver
Part Number	A3111E3541
Stock Number	401-21561
MLS Number	14534122
Category	Spindles / Knuckles
Last Updated	8/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Eaton RS-404 AG-400 Axle Housing

$2,450 USD

Reconditioned RS-404 AG-400 Axle Housing, Position: Rear

Condition	Remanufactured
Part Number	305830
Stock Number	300-27433
MLS Number	14534118
Category	Axle Housings
Last Updated	8/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton LH Spindle

$743.93 USD

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

Quantity	3
Condition	New
Side	Driver
Part Number	081SK144
Stock Number	401-21036
MLS Number	14385066
Category	Spindles / Knuckles
Last Updated	8/8/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton DS-404 Spring Axle Housing

$3,168.27 USD

New DS-404 Spring Axle Housing, Position: Front

Condition	New
Part Number	10059808
Stock Number	300-27201
MLS Number	14530936
Category	Axle Housings
Last Updated	8/8/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2011 Reconditioned Meritor RR-20-145 RD-20-145 Rear Air Ride Axle Housing

$2,150 USD

Reconditioned RR-20-145 RD-20-145 Rear Air Ride Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Meritor
Fits To Model(s)	RR-20-145
Will Fit Year(s)	2011
Part Number	3121L1728
Stock Number	300-27312
MLS Number	14530934
Category	Axle Housings
Last Updated	8/8/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2016 Reconditioned Meritor RR-20-145 Air Ride/Dual Trac Axle Housing

$2,150 USD

Reconditioned RR-20-145 Air Ride/Dual Trac Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Meritor
Fits To Model(s)	MR2014X
Will Fit Year(s)	2016
Part Number	3121Y3353
Stock Number	300-27362
MLS Number	14495115
Category	Axle Housings
Last Updated	8/8/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton E1200I Passenger Side Spindle

$950 USD

Used E1200I Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	E1200I
Side	Passenger
Part Number	972995
Stock Number	401-21531
MLS Number	14530932
Category	Spindles / Knuckles
Last Updated	8/8/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2017 Used Meritor Passenger Side Spindle

$750 USD

Used Meritor Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	MFS14
Will Fit Year(s)	2017
Side	Passenger
Part Number	A3111Z3302
Stock Number	401-21584
MLS Number	14530931
Category	Spindles / Knuckles
Last Updated	8/8/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Meritor MFS08 Passenger Side Spindle

$296 USD

Used MFS08 Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	MFS08
Side	Passenger
Part Number	A13111U4207
Stock Number	401-21586
MLS Number	14530929
Category	Spindles / Knuckles
Last Updated	8/8/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton LH Spindle

$2,231.45 USD

New Eaton LH Spindle, Side: Driver

Quantity	2
Condition	New
Side	Driver
Part Number	817246
Stock Number	401-21611
MLS Number	14530926
Category	Spindles / Knuckles
Last Updated	8/8/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Meritor RD-23-160 Spring Axle Housing

$3,850 USD

New RD-23-160 Spring Axle Housing, Position: Front

Quantity	3
Condition	New
Part Number	3121L1858
Stock Number	300-24560
MLS Number	12982400
Category	Axle Housings
Last Updated	8/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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NTO Eaton Driver Side Spindle

$650 USD

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

Condition	New
Fits To Make(s)	Eaton
Fits To Model(s)	E1462I
Side	Driver
Part Number	973234
Stock Number	401-21557
MLS Number	14529131
Category	Spindles / Knuckles
Last Updated	8/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Eaton DS-404 AG-380 Axle Housing

$2,450 USD

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

Condition	Remanufactured
Part Number	321501
Stock Number	300-27400
MLS Number	14529128
Category	Axle Housings
Last Updated	8/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Meritor Driver Side Spindle

$650 USD

Used Meritor Driver Side Spindle, Side: Driver, ABS: Yes

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	MFS20
Side	Driver
Part Number	A3111Y3223
Stock Number	401-21525
MLS Number	14525808
Category	Spindles / Knuckles
Last Updated	8/6/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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NTO Eaton Passenger Side Spindle

$1,625 USD

NTO Eaton Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	New
Fits To Make(s)	Eaton
Fits To Model(s)	E1462I
Side	Passenger
Part Number	973280
Stock Number	401-21558
MLS Number	14525803
Category	Spindles / Knuckles
Last Updated	8/6/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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NTO Meritor Passenger Side Spindle

$950 USD

NTO Meritor Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	New
Fits To Make(s)	Meritor
Fits To Model(s)	MFS20
Side	Passenger
Part Number	A3111D3540
Stock Number	401-21562
MLS Number	14525802
Category	Spindles / Knuckles
Last Updated	8/6/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Eaton DS-404 AG-380 Axle Assembly

$2,450 USD

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

Condition	Remanufactured
Fits To Make(s)	Eaton
Fits To Model(s)	DS-404
Part Number	321280
Stock Number	300-27408
MLS Number	14525798
Category	Axle Housings
Last Updated	8/6/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2024 Used Meritor Passenger Side Spindle

$487 USD

Used Meritor Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	MFS13
Will Fit Year(s)	2024
Side	Passenger
Part Number	A3111M4745
Stock Number	401-21505
MLS Number	14521973
Category	Spindles / Knuckles
Last Updated	8/5/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Meritor Passenger Side Spindle

$650 USD

Used Meritor Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	MFS20
Side	Passenger
Part Number	A3111Z3224
Stock Number	401-21521
MLS Number	14521971
Category	Spindles / Knuckles
Last Updated	8/5/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts