Frontier Truck Parts Eaton Axles & Differentials For Sale

1 - 25 of 519 listings

2015 Used Eaton Driver Side Spindle

Used Eaton Driver Side Spindle

Newly Listed

$729.75 USD

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

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	E1202i
Side	Driver
Part Number	971677
Stock Number	401-21630
MLS Number	14613666
Category	Spindles / Knuckles
Last Updated	9/19/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton 12F4 Passenger Side Spindle

Newly Listed

$950 USD

Used Eaton 12F4 Passenger Side Spindle, Side: Passenger

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	12F4
Side	Passenger
Part Number	813782
Stock Number	401-21639
MLS Number	14613664
Category	Spindles / Knuckles
Last Updated	9/19/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton Passenger Side Spindle

Newly Listed

$1,045 USD

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

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	E1200I
Side	Passenger
Part Number	971839
Stock Number	401-21641
MLS Number	14613663
Category	Spindles / Knuckles
Last Updated	9/19/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton 12F4 Passenger Side Spindle

Newly Listed

$975 USD

Used 12F4 Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	12F4
Side	Passenger
Part Number	813786
Stock Number	401-21660
MLS Number	14613660
Category	Spindles / Knuckles
Last Updated	9/19/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Eaton RS-404 AG-380 Axle Housing

Newly Listed

$2,450 USD

Reconditioned RS-404 AG-380 Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Eaton
Fits To Model(s)	RS-404
Part Number	321318
Stock Number	300-27599
MLS Number	14613654
Category	Axle Housings
Last Updated	9/19/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Eaton RS-404 Air Ride Axle Housing

Newly Listed

$2,450 USD

Reconditioned RS-404 Air Ride Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Eaton
Fits To Model(s)	RS-404
Part Number	322557
Stock Number	300-27604
MLS Number	14613653
Category	Axle Housings
Last Updated	9/19/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Eaton RS-404 AG-380 Flex Air Axle Housing

Newly Listed

$2,450 USD

Reconditioned RS-404 AG-380 Flex Air Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Eaton
Fits To Model(s)	RS-404
Part Number	321318
Stock Number	300-27618
MLS Number	14613652
Category	Axle Housings
Last Updated	9/19/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton LH Spindle

Newly Listed

$2,080.16 USD

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

Condition	New
Side	Driver
Part Number	220SK1382
Stock Number	401-21689
MLS Number	14611893
Category	Spindles / Knuckles
Last Updated	9/18/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton RH Spindle

Newly Listed

$2,055.05 USD

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

Condition	New
Side	Passenger
Part Number	220SK1392
Stock Number	401-21688
MLS Number	14611892
Category	Spindles / Knuckles
Last Updated	9/18/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton RH Spindle

Reconditioned Reconditioned Eaton DS-404 Air Ride Axle Housing

Newly Listed

$2,450 USD

Reconditioned Reconditioned DS-404 Air Ride Axle Housing, Position: Front

Condition	Remanufactured
Part Number	321622
Stock Number	300-27454
MLS Number	14609830
Category	Axle Housings
Last Updated	9/17/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton S19-140 Air Ride Axle Housing

Newly Listed

$2,329.96 USD

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

Condition	New
Part Number	323941
Stock Number	300-27613
MLS Number	14609820
Category	Axle Housings
Last Updated	9/17/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2016 Reconditioned Eaton R46-170 Air Ride Axle Housing

Newly Listed

$2,850 USD

Reconditioned R46-170 Air Ride Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Eaton
Fits To Model(s)	R46-170
Will Fit Year(s)	2016
Part Number	322748
Stock Number	300-27581
MLS Number	14605236
Category	Axle Housings
Last Updated	9/16/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton DS-404 Bolt On Air Trac Axle Housing

Newly Listed

$2,150 USD

Used DS-404 Bolt On Air Trac Axle Housing, Position: Front

Condition	Used
Part Number	306296
Stock Number	300-24825
MLS Number	14603276
Category	Axle Housings
Last Updated	9/15/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2005 Used Eaton 20F4 Passenger Side Spindle

$1,350 USD

Used Eaton 20F4 Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	20F4
Will Fit Year(s)	2005
Side	Passenger
Part Number	818419
Stock Number	401-21617
MLS Number	14597667
Category	Spindles / Knuckles
Last Updated	9/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton 12F4 Passenger Side Spindle

$950 USD

Used 12F4 Passenger Side Spindle, Side: Passenger

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	12F4
Side	Passenger
Part Number	813788
Stock Number	401-21646
MLS Number	14597662
Category	Spindles / Knuckles
Last Updated	9/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Eaton RS-402 Air Trac Axle Housing

$2,450 USD

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

Condition	Remanufactured
Part Number	303192
Stock Number	300-27442
MLS Number	14593784
Category	Axle Housings
Last Updated	9/10/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton RS402 Differential Non-Locker Ratio 4.33

$795 USD

Used RS402 Differential Non-Locker Ratio 4.33

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RS-402
Part Number	211942
Stock Number	700-15534
MLS Number	14593774
Category	Differentials, Unspecified
Last Updated	9/10/2026
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

Condition	New
Side	Driver
Part Number	081SK144
Stock Number	401-21302
MLS Number	14584797
Category	Spindles / Knuckles
Last Updated	9/17/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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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	300-27463
MLS Number	14582942
Category	Axle Housings
Last Updated	9/3/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Eaton RS404 Differential Non-Locker Ratio 3.55

$395 USD

Used RS404 Differential Non-Locker Ratio 3.55

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RS-404
Part Number	RS-404
Stock Number	700-15531
MLS Number	14582941
Category	Differentials, Unspecified
Last Updated	9/3/2026
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
Fits To Make(s)	Eaton
Fits To Model(s)	DS-404
Part Number	321280
Stock Number	300-27556
MLS Number	14582937
Category	Axle Housings
Last Updated	9/3/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Eaton RH Spindle

$1,228 USD

New RH Spindle, Side: Passenger, ABS: Yes

Condition	New
Side	Passenger
Part Number	971804
Stock Number	401-15543
MLS Number	14579572
Category	Spindles / Knuckles
Last Updated	9/2/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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NTO Eaton Passenger Side Spindle

$876 USD

NTO Eaton Passenger Side Spindle, Side: Passenger

Quantity	3
Condition	New
Side	Passenger
Part Number	815263
Stock Number	401-17459
MLS Number	12565634
Category	Spindles / Knuckles
Last Updated	9/2/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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