Peterbilt Axles &amp; Differentials For Sale by Dealerships

1993 Peterbilt 378 Front Axle Assembly

Newly Listed

$3,500 USD

GOOD USED COMPLETE 20K FRONT AXLE ASSY. COMES WITH SPRINGS AND STEERING BOX, Capacity: 20K, Hub Bolts: 10/BUDD, Brake Type: DRUM, Axle Make: SPICER

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1993
Capacity	20K
Stock Number	41226-6
MLS Number	14330541
Category	Axle Assemblies, Front
Last Updated	4/24/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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2018 Peterbilt 579 Front Axle Assembly

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Meritor Front Axle From 2018 Peterbilt 579 Sleeper Cab, 34" Center to Center, 4" Spring Width, 10 Hole Pilot, 12,000 Capacity, Air Disc Brakes.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Capacity	12,000
Stock Number	4360-4
MLS Number	14137496
Category	Axle Assemblies, Front
Last Updated	4/16/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2012 Peterbilt 386 Front Axle Assembly

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Eaton/ Spicer Front Axle From 2012 Peterbilt 386 Sleeper Cab, 34" Center to Center, 4" Spring Width, 10 Hole Pilot, Air Drum Brakes.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	386
Capacity	12000
Stock Number	4368-4
MLS Number	14137471
Category	Axle Assemblies, Front
Last Updated	4/16/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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1999 Peterbilt 320 Front Axle Assembly

$1,500 USD

Front Axle From 1999 Peterbilt 320 Day Cab, 34" Center to Center, 4" Spring Width 10 Hole Pilot, Air Drum Brakes. 18-22,000 lb. Need to remove to ID

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	320
Capacity	34 x 4
Stock Number	1623-4
MLS Number	14167440
Category	Axle Assemblies, Front
Last Updated	4/20/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2019 Peterbilt 579 Front Axle Assembly

$750 USD

Good used inspected 2019 Peterbilt 579 Complete Front Axle Beam. 30 day guarantee for swap or refund that axle will take kingpins

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	1062872
MLS Number	13872209
Category	Axle Assemblies, Front
Last Updated	4/15/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2005 Peterbilt 379 Front Axle Assembly

$1,495 USD

E1202W FRONT AXLE ASSY COMPLETE OR FOR PARTS., Capacity: 12K, Serial#: S/N, Hub Bolts: PILOT, Brake Type: DRUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2005
Capacity	12K
Stock Number	40626-7
MLS Number	14307796
Category	Axle Assemblies, Front
Last Updated	4/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2013 Peterbilt 386 Front Axle Assembly

$1,495 USD

E-1202W COMPLETE OR FOR PARTS 013 386, Capacity: 12K, Axle Make: SPICER, Axle Model: E-1202W

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Will Fit Year(s)	2013
Capacity	12K
Part Number	973079 973081
Stock Number	111121-12
MLS Number	11118447
Category	Axle Assemblies, Front
Last Updated	4/9/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2022 Peterbilt 579 Right Spindle

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(Used) 2022 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: B05-6043-0A7100000, Serial Number: MON04403016, Side: Passenger Right Side, Make: Meritor, Model: MFS12E132CNN4, Capacity:...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2022
Side	RIGHT
Capacity	12,350 Lbs
Part Number	B05-6043-0A7100000
Stock Number	P-501550
MLS Number	14292415
Category	Spindles / Knuckles
Last Updated	4/5/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2022 Peterbilt 579 Left Spindle

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(Used) 2022 Peterbilt 579, FRONT SPINDLE/KNUCKLE- Part Number: B05-6043-0A7100000, Serial Number: MON04403016, Side: Driver Left Side, Make: Meritor, Model: MFS12E132CNN4, Capacity: 12,350...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2022
Side	LEFT
Capacity	12,350 Lbs
Part Number	B05-6043-0A7100000
Stock Number	P-501549
MLS Number	14292414
Category	Spindles / Knuckles
Last Updated	4/5/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2022 Peterbilt 579 Front Axle Assembly

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(Used) 2022 Peterbilt 579, COMPLETE FRONT AXLE- Part Number: B05-6043-0A7100000, Serial Number: MON04403016, Center Leaf to Center Leaf: 34", Make: Meritor, Model: MFS12E132CNN4, Capacity:...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Will Fit Year(s)	2022
Capacity	12,350 Lbs
Part Number	B05-6043-0A7100000
Stock Number	P-501542
MLS Number	14292408
Category	Axle Assemblies, Front
Last Updated	4/5/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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1999 Peterbilt 379 Front Axle Assembly

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KING PIN'S NEED CHECKED, Hub Bolts: PILOT, Brake Type: ABS, Axle Make: EATON, Axle Model: 1202

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	1999
Stock Number	500534-15
MLS Number	14283741
Category	Axle Assemblies, Front
Last Updated	4/3/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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2005 Peterbilt 357 Front Axle Assembly

$2,000 USD

GOOD CONDITION USED FRONT AXLE ASSEMBLY, OEM (ASSY): EFA20F4, BEAM: 809813, LT SPINDLE: 818418, RT SPINDLE: 818419

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	357
Stock Number	13713
MLS Number	10895776
Category	Axle Assemblies, Front
Last Updated	4/2/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

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2014 Peterbilt 579 Front Axle Assembly

$1,500 USD

OEM# 1202TB104-8, LT SPINDLE# 973242, RT SPINDLE# 973288

Condition	Used
Suspension	Spring
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	15479
MLS Number	12355032
Category	Axle Assemblies, Front
Last Updated	3/26/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

2020 Peterbilt 389 Front Axle Assembly

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GOOD USED MFS12E FRONT AXLE ASSY, COMPLETE OR FOR PARTS, Hub Bolts: 10, Brake Type: DISC, Axle Make: MERITOR, Axle Model: MFS12E

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	389
Will Fit Year(s)	2020
Stock Number	31426-7
MLS Number	14268209
Category	Axle Assemblies, Front
Last Updated	3/26/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

1995 Peterbilt 378 Front Axle Assembly

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EFA20F4 FRONT AXLE ASSY OR FOR PARTS, Serial#: 9CK1378, Hub Bolts: 10, Brake Type: DRUM, Axle Make: EATON

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1995
Stock Number	31926-5
MLS Number	14264194
Category	Axle Assemblies, Front
Last Updated	3/25/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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2013 Peterbilt 320 Lift Axle / Drop Axle

$1,500 USD

Good used take off 18,900 pound capacity, air lift, non steerable lift axle assembly.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	320
Capacity	18,900
Stock Number	1069390
MLS Number	14259357
Category	Lift Axles & Drop Axles
Last Updated	3/21/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

2016 Peterbilt 337 Right Spindle

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(Used) 2016 Peterbilt 337, FRONT SPINDLE/KNUCKLE- Part Number: 1202TB101, Serial Number: TBD, Side: Passenger Right Side, Make: Spicer, Model: E1002I, Capacity: 12,000 Lbs, Hub Bolts: 10,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	337
Will Fit Year(s)	2016
Side	RIGHT
Capacity	12,000 Lbs
Part Number	1202TB101
Stock Number	P-500620
MLS Number	14256838
Category	Spindles / Knuckles
Last Updated	3/20/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2016 Peterbilt 337 Left Spindle

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(Used) 2016 Peterbilt 337, FRONT SPINDLE/KNUCKLE- Part Number: 1202TB101, Serial Number: TBD, Side: Driver Left Side, Make: Spicer, Model: E1002I, Capacity: 12,000 Lbs, Hub Bolts: 10, Brake...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	337
Will Fit Year(s)	2016
Side	LEFT
Capacity	12,000 Lbs
Part Number	1202TB101
Stock Number	P-500619
MLS Number	14256837
Category	Spindles / Knuckles
Last Updated	3/20/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2016 Peterbilt 337 Front Axle Assembly

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(Used) 2016 Peterbilt 337, COMPLETE FRONT AXLE- Part Number: 1202TB101, Serial Number: TBD, Center Leaf to Center Leaf: 34", Make: Spicer, Model: E1002I, Capacity: 12,000 Lbs, Hub Bolts:...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	337
Will Fit Year(s)	2016
Capacity	12,000 Lbs
Part Number	1202TB101
Stock Number	P-500615
MLS Number	14256834
Category	Axle Assemblies, Front
Last Updated	3/20/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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2022 Peterbilt 579 Front Axle Assembly

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Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	12310
MLS Number	14108301
Category	Axle Assemblies, Front
Last Updated	3/19/2026
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

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2009 Peterbilt 386 Front Axle Assembly

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TAG MISSING GOOD KING PIN'S, Hub Bolts: PILOT, Brake Type: ABS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Will Fit Year(s)	2009
Stock Number	794779-18
MLS Number	14254310
Category	Axle Assemblies, Front
Last Updated	3/19/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

2017 Peterbilt 389 Front Axle Assembly

$1,795 USD

MFS-14 FRONT AXLE ASSY/DISC BRAKE, Capacity: 14K, Hub Bolts: 10, Brake Type: DISC, Axle Make: MERITOR

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	389
Will Fit Year(s)	2017
Capacity	14K
Stock Number	31126-11
MLS Number	14247841
Category	Axle Assemblies, Front
Last Updated	3/17/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2007 Peterbilt 330 Right Spindle

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(Used) 2007 Peterbilt 330, FRONT SPINDLE/KNUCKLE- Part Number: 1202BT103-8, Serial Number: HU01754912, Side: Passenger Right Side, Make: Spicer, Model: TBD, Capacity: 12,000 Lbs, Hub Bolts:...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	330
Will Fit Year(s)	2007
Side	RIGHT
Capacity	12,000
Part Number	1202BT103-8
Stock Number	P-500343
MLS Number	14247438
Category	Spindles / Knuckles
Last Updated	3/16/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2007 Peterbilt 330 Left Spindle

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(Used) 2007 Peterbilt 330, FRONT SPINDLE/KNUCKLE- Part Number: 1202BT103-8, Serial Number: HU01754912, Side: Driver Left Side, Make: Spicer, Model: TBD, Capacity: 12,000 Lbs, Hub Bolts: 10,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	330
Will Fit Year(s)	2007
Side	LEFT
Capacity	12,000
Part Number	1202BT103-8
Stock Number	P-500342
MLS Number	14247437
Category	Spindles / Knuckles
Last Updated	3/16/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts