Used Peterbilt 378 Truck Parts For Sale by Dealerships

(855) 794-___ SHOW
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1988 Peterbilt 378 Fifth Wheel

$300 USD

Holland FW35 Air Slide Fifth Wheel, 33.5" Frame Width, 86.5" Rail, 52.5" Slide Base, 24" Slide Travel, 6.75" Deck Height, Driver Side Release. Top Plate P/N XA-351-A-L-P, S/N A00002539H

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	1511-12
MLS Number	13893134
Category	Fifth Wheels
Last Updated	5/5/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 370-___ SHOW
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1997 Peterbilt 378 Front Bumper

$345 USD

(USED) Peterbilt 378 Type: 1 PIECE SBA/SFA: SFA Material: CHROME Lights: NO

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25708930
MLS Number	13193583
Category	Bumpers, Front
Last Updated	5/7/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

1998 Peterbilt 378 Cab Assembly

$5,250 USD

(USED) 1998 Peterbilt 378 - Cab - Color Exterior: Green Color Interior: Gray. *Less Doors, Less Interiors. For more information about this item, give us a call. We ship Worldwide!. (CRG...

Condition	Used
Engine Model	Detroit SERIES 60
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-24728
MLS Number	10827684
Category	Cabs
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Used 2004 Peterbilt 378 Hood Assembly 61" Red Fiberglass

$4,950 USD

(Used) 2004 Peterbilt 378, HOOD ASSEMBLY- Length: 61”, from cowl to grille Color: Red, Material: Fiberglass Grille has 2 dents and some fiberglass damage on fender Repairable damages,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	P-39539
MLS Number	11868620
Category	Hoods
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Used 2001 Peterbilt 378 Hood Assembly 60" Fiberglass, Blue

$3,749.98 USD

(Used) 2001 Peterbilt 378, HOOD ASSEMBLY- Length: 60", Color: Blue, Material: Fiberglass, Minor Damage Reference images for condition, For more information about this item, give us a call...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Stock Number	P-72266
MLS Number	12630659
Category	Hoods
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Used 1996 Peterbilt 378 Hood Assembly 55" From Cowl to Grille, Blue Fiberglass

$3,749.98 USD

(Used) 1996 Peterbilt 378, HOOD ASSEMBLY- Length: 55" From Cowl to grille, Color: Blue, Material: Fiberglass, Damage Reference images for condition, For more information about this item,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Stock Number	P-112389
MLS Number	13868840
Category	Hoods
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy 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	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Frame Horn

$1,198.99 USD

(Used) 1998 Peterbilt 378, FRAME HORN- Part Number: 02-02516 L, Side: Driver Left Side, Location: Front Left, Associated Parts Supported: Hood, Material: Aluminum, Dimensions: L=24",...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Part Number	02-02516 L
Stock Number	P-54225
MLS Number	12197220
Category	Frame Horns
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2004 Peterbilt 378 Right Fuel Tank

$899.98 USD

(Used) 2004 Peterbilt 378, FUEL TANK- Side: Passenger Side, Capacity: N/A Material: Aluminum, Shape: Cylinder, Dimensions: L=43.5", D=26", the tank is bent, see photos Reference images for...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Side	RIGHT
Stock Number	P-39518
MLS Number	11868585
Category	Fuel Tanks (Truck)
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Left Fuel Tank

$899.98 USD

(Used) 1996 Peterbilt 378, FUEL TANK- Side: Driver Left Side, Capacity: 142 Gallons, Material: Aluminum, Shape: Cylinder, Dimensions: L=63", D=25", Reference images for condition, For...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Side	LEFT
Capacity	142 Gallons,
Stock Number	P-112365
MLS Number	13867928
Category	Fuel Tanks (Truck)
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Right Fuel Tank

$899.98 USD

(Used) 1996 Peterbilt 378, FUEL TANK- Side: Passenger Right Side, Capacity: 142 Gallons, Material: Aluminum, Shape: Cylinder, Dimensions: L=63", D=25", It's Dented, Damage Reference images...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Side	RIGHT
Capacity	142 Gallons
Stock Number	P-112367
MLS Number	13867931
Category	Fuel Tanks (Truck)
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2007 Peterbilt 378 Right Door

$749.98 USD

2007 PETERBILT 378 Used Passenger Door, W/ Power Locks Window, W/Vent WIndow We Ship Worldwide! Call Now For A Shipping Estimate! Power: Yes Make: PETERBILT Model: 378 Side: Right - Mileage...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2007
Side	RIGHT
Stock Number	6579
MLS Number	9732371
Category	Doors
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2004 Peterbilt 378 Left Door

$749.98 USD

(Used) 2004 Peterbilt 378, DOOR- Side: Driver Side, Color: Red, Window Controls: Manual, Less Interior Panel, Side View Mirror Sold Separately, For more information about this item, give us...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Side	LEFT
Stock Number	P-39559
MLS Number	11868641
Category	Doors
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2004 Peterbilt 378 Right Door

$749.98 USD

(Used) 2004 Peterbilt 378, DOOR- Side: Passenger Side, Color: Red, Window Controls: Manual, Less Interior Panel, Side View Mirror Sold Separately, For more information about this item, give...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Side	RIGHT
Stock Number	P-39560
MLS Number	11868643
Category	Doors
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2001 Peterbilt 378 Right Door

$749.98 USD

(Used) 2001 Peterbilt 378, DOOR- Side: Passenger Right Side, Color: Black, Window Controls: Manual, No Window, Less Interior Panel, Side View Mirror Sold Separately, For more information...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Side	RIGHT
Stock Number	P-47601
MLS Number	12038738
Category	Doors
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2001 Peterbilt 378 Left Door

$749.98 USD

(Used) 2001 Peterbilt 378, DOOR- Side: Driver Left Side, Color: Blue, Window Controls: Manual, Less Interior Panel, Side View Mirror Sold Separately, For more information about this item,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Side	LEFT
Stock Number	P-72268
MLS Number	12630661
Category	Doors
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2001 Peterbilt 378 Right Door

$749.98 USD

(Used) 2001 Peterbilt 378, DOOR- Side: Passenger Right Side, Color: Blue, Window Controls: Manual, Less Interior Panel, Side View Mirror Sold Separately, For more information about this...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Side	RIGHT
Stock Number	P-72269
MLS Number	12630662
Category	Doors
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Left Door

$749.98 USD

(Used) 1996 Peterbilt 378, DOOR- Side: Driver Left Side, Color: Blue, Window Controls: Manual, Less Interior Panel, Side View Mirror Sold Separately, Damage Reference images for condition...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Side	LEFT
Stock Number	P-112390
MLS Number	13868841
Category	Doors
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Right Door

$749.98 USD

(Used) 1996 Peterbilt 378, DOOR- Side: Passenger Right Side, Color: Blue, Window Controls: Manual, Less Interior Panel, Side View Mirror Sold Separately, Damage Reference images for...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Side	RIGHT
Stock Number	P-112391
MLS Number	13868842
Category	Doors
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2004 Peterbilt 378 Front Bumper

$688.98 USD

(Used) 2004 Peterbilt 378, BUMPER- Color: Silver, Material: Chrome And Aluminum, Dimensions: L=90",H=12", Broken!! Reference image for condition. For more information about this item, give...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	P-39542
MLS Number	11868623
Category	Bumpers, Front
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2001 Peterbilt 378 Right Air Cleaner / Air Filter Housing

$650 USD

(Used) 2001 Peterbilt 378, AIR CLEANER- Side: Passenger Right Side, Color: Chrome, Material: Steel, Engine: Caterpillar C12, Dimensions: L=33", D=15", (damage Reference images for...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Side	RIGHT
Stock Number	P-47596
MLS Number	12038733
Category	Air Cleaners / Air Filter Housings
Last Updated	5/15/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(833) 527-___ SHOW
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Peterbilt 378 Right Door

$597 USD

Good condition take out door. We offer shipping, Window Type: Manual

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Side	RIGHT
Stock Number	2535
MLS Number	13043287
Category	Doors
Last Updated	5/14/2026
Location	Wayne, NJ, US
Sold By	Camp Auto and Truck Parts Inc.

2004 Peterbilt 378 Instrument Panel Cluster

$550 USD

(Used) 2004 Peterbilt 378, INSTRUMENT CLUSTER - Part Number: 17-04236-14310, Gauges: Fuel Level, Battery Volts, (1)Oil Temp, (2) Oil Temp, (3) Oil Temp, Air Pressure, Exhaust Temp, Material...

Condition	Used
Engine Model	Caterpillar C15
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Part Number	17-04236-14310
Stock Number	P-39581
MLS Number	11875165
Category	Instrument Panel Clusters
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2001 Peterbilt 378 Instrument Panel Cluster

$550 USD

(Used) 2001 Peterbilt 378, INSTRUMENT CLUSTER- Gauges: Engine Oil Temperature, Oil Pressure, RPM, MPH, Water Temp, Air Pressure, Quartz, Reference images for condition, For more information...

Condition	Used
Engine Model	Caterpillar C12
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Stock Number	P-47608
MLS Number	12038745
Category	Instrument Panel Clusters
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts