Used Peterbilt 378 Axles &amp; Differentials For Sale in United States

2006 Peterbilt 378 Front Axle Assembly

$5,500 USD

20K FRONT AXLE CONVERSION/ASSY. DUAL GEARBOXES LH#M110PHM14 RH# M905AD17., Capacity: 20K, Hub Bolts: 10, Brake Type: AIR, Axle Make: SPICER

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Capacity	20K
Stock Number	11026-5
MLS Number	14091626
Category	Axle Assemblies, Front
Last Updated	1/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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1996 Peterbilt 378 Front Axle Assembly

$1,500 USD

Condition	Used
Suspension	Spring
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	8627
MLS Number	10893572
Category	Axle Assemblies, Front
Last Updated	12/6/2025
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

1996 Peterbilt 378 Right Spindle

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(Used) 1996 Peterbilt 378, FRONT SPINDLE/KNUCKLE- Part Number: 813955, Serial Number: H-95-07-35517, Side: Passenger Right Side, Make: Eaton, Model: 12F4, Capacity: 12,000 Lbs, Hub Bolts:...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Side	RIGHT
Capacity	12,000 Lbs
Part Number	813955
Stock Number	P-112335
MLS Number	13867897
Category	Spindles / Knuckles
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Left Spindle

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(Used) 1996 Peterbilt 378, FRONT SPINDLE/KNUCKLE- Part Number: 813955, Serial Number: H-95-07-35517, Side: Driver Left Side, Make: Eaton, Model: 12F4, Capacity: 12,000 Lbs, Hub Bolts: 10,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Side	LEFT
Capacity	12,000 Lbs
Part Number	813955
Stock Number	P-112334
MLS Number	13867896
Category	Spindles / Knuckles
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Front Axle Assembly

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(Used) 1996 Peterbilt 378, COMPLETE FRONT AXLE- Part Number: 813955, Serial Number: H-95-07-35517, Center Leaf to Center Leaf: 34", Make: Eaton, Model: 12F4, Capacity: 12,000 Lbs, Hub...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Capacity	12,000 Lbs
Part Number	813955
Stock Number	P-112328
MLS Number	13867890
Category	Axle Assemblies, Front
Last Updated	2/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2005 Peterbilt 378 Front Axle Assembly

$1,495 USD

GOOD USED AXLE ASSEMBLY OR PARTS, Capacity: 12000, Serial#: 35118780, Hub Bolts: 10, Brake Type: DRUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Capacity	12000
Part Number	E1202I
Stock Number	101424-8
MLS Number	13212632
Category	Axle Assemblies, Front
Last Updated	2/9/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2005 Peterbilt 378 Front Axle Assembly

$1,495 USD

GOOD USED AXLE ASSEMBLY OR PARTS/ SPINDLES, Capacity: 12000, Serial#: mxs06934, Hub Bolts: 10, Brake Type: DRUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Capacity	12000
Stock Number	60224-6
MLS Number	12918613
Category	Axle Assemblies, Front
Last Updated	2/9/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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1994 Peterbilt 378 Front Axle Assembly

$1,750 USD

USED PETERBILT 378 /WITH EATON 12F4,12,000LB FRONT STEER AXLE/10 HOLE HUB PILOTED

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	66105
MLS Number	12824123
Category	Axle Assemblies, Front
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2007 Peterbilt 378 Left Spindle

$450 USD

GOOD USED DRIVER SIDE SPINDLE ASSEMBLY, Capacity: 12000, Serial#: NA, Hub Bolts: 10, Brake Type: DRUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2007
Side	LEFT
Capacity	12000
Part Number	971874
Stock Number	122823
MLS Number	12558805
Category	Spindles / Knuckles
Last Updated	2/9/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2007 Peterbilt 378 Front Axle Assembly

$1,495 USD

GOOD USED AXLE ASSEMBLY OR PARTS, Capacity: 12000, Serial#: NA, Hub Bolts: 10, Brake Type: DRUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2007
Capacity	12000
Part Number	E1202i
Stock Number	122823-10
MLS Number	12544114
Category	Axle Assemblies, Front
Last Updated	2/9/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2004 Peterbilt 378 Front Axle Assembly

$2,950 USD

(Used) 2004 Peterbilt 378, COMPLETE FRONT AXLE- Make: Eaton, Model: EFA18F3, Capacity: 18,740 lbs, Hub Bolts: 10, Brake Type: Drum, For more information about this item, give us a call.We...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Capacity	18,740
Stock Number	P-39515
MLS Number	11868581
Category	Axle Assemblies, Front
Last Updated	9/30/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1994 Peterbilt 378 Front Axle Assembly

$1,095 USD

EFA12F4 ASSY FOR PARTS 94 378 PETE LESS 1 HUB NOTES, Capacity: 12K, Hub Bolts: 10 BUDD, Brake Type: AIR DRUM, Axle Make: EATON

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1994
Capacity	12K
Stock Number	11323-12
MLS Number	11834688
Category	Axle Assemblies, Front
Last Updated	9/30/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2003 Peterbilt 378 Front Axle Assembly

$1,495 USD

USED AXLE ASSEMBLY OR PARTS SEALED BEARING HUB ASSEMBLY $350.00 SPINDLE $450.00, Serial#: 6NZ, Hub Bolts: 10, Brake Type: S CAM, Axle Make: ROCKWELL

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2003
Part Number	FF985
Stock Number	40622-12
MLS Number	11346686
Category	Axle Assemblies, Front
Last Updated	2/9/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2006 Peterbilt 378 Front Axle Assembly

$995 USD

GOOD E1202W COMPLETE OR PARTS 060 378, Capacity: 12K, Hub Bolts: 10 PILOT, Axle Make: SPICER, Axle Model: E1202W

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Capacity	12K
Stock Number	90521-13
MLS Number	11036831
Category	Axle Assemblies, Front
Last Updated	12/17/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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2007 Peterbilt 378 Front Axle Assembly

$1,500 USD

12000#

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	6082
MLS Number	10573178
Category	Axle Assemblies, Front
Last Updated	12/2/2023
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

1987 Peterbilt 378 Front Axle Assembly

$1,295 USD

GOOD USED AXLE OR PARTS, Capacity: 12000, Serial#: NA, Hub Bolts: 10, Axle Make: EATON

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1987
Capacity	12000
Part Number	EFA-12
Stock Number	32722-12
MLS Number	11293326
Category	Axle Assemblies, Front
Last Updated	5/19/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

1993 Peterbilt 378 Front Axle Assembly

$895 USD

GOOD FF961 FRT AXLE COMPLETE OR PARTS, Capacity: 12K, Hub Bolts: 10 BUDD, Axle Make: ROCKWELL, Axle Model: FF961

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1993
Capacity	12K
Stock Number	61920-10
MLS Number	10243743
Category	Axle Assemblies, Front
Last Updated	5/11/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

1997 Peterbilt 378 Front Axle Assembly

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TAG DAMAGE TWO SPEED 433/590, Hub Bolts: Pilot, Axle Make: SPICER, Axle Model: DC461

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1997
Stock Number	440306-4
MLS Number	10237605
Category	Axle Assemblies, Front
Last Updated	5/11/2023
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

1997 Peterbilt 378 Front Axle Assembly

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PASSENGER SIDE KING PIN'S BAD, Hub Bolts: Pilot, Brake Type: ABS, Axle Make: SPICER, Axle Model: E14621

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1997
Stock Number	440306-3
MLS Number	10237604
Category	Axle Assemblies, Front
Last Updated	8/31/2025
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

2000 Peterbilt 378 Front Axle Assembly

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KING PIN'S ARE BAD, Hub Bolts: Pilot, Axle Make: Meritor, Axle Model: FF981LX58

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2000
Stock Number	531531-7
MLS Number	10156368
Category	Axle Assemblies, Front
Last Updated	5/11/2023
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

1997 Peterbilt 378 Front Axle Assembly

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KING PIN'S GOOD, Hub Bolts: Pilot, Axle Make: Meritor, Axle Model: FF96INX390

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1997
Stock Number	444994-2
MLS Number	10156346
Category	Axle Assemblies, Front
Last Updated	5/11/2023
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

1996 Peterbilt 378 Front Axle Assembly

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KING PIN'S BAD TAG MISSING, Hub Bolts: Pilot, Axle Make: N/A, Axle Model: N/A

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Stock Number	410937-3
MLS Number	10146562
Category	Axle Assemblies, Front
Last Updated	5/11/2023
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

1995 Peterbilt 378 Front Axle Assembly

Newly Listed

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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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1999 Peterbilt 378 Front Axle Assembly

$1,240 USD

34" CENTER TO CENTER 4" SPRING I BEAM IS BENT AIR - ABS

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Capacity	18,000
Stock Number	F992264
MLS Number	13238142
Category	Axle Assemblies, Front
Last Updated	6/2/2025
Location	Easton, MD, US
Sold By	LKQ Heavy Truck