1. Home
  2. For Sale
  3. Truck Parts
  4. Peterbilt
  5. 378

Peterbilt 378 Truck Parts For Sale in United States

Close
Your Current Search
Industry
Truck Parts
Manufacturer
Peterbilt
Model
378
Country
United States
Click the to remove the filter.
Save Search
Email Alert
What's Save Search and Email Alert?
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (1)
Truck Parts (586)
Category
Air Intake & Filtration (39)   Air Cleaners / Air Filter Housings (19)   Air Transfer Tubes (20)Air Tanks (13)Axles & Differentials (27)   Axle Assemblies, Front (25)   Spindles / Knuckles (2)Battery Box Covers (2)Battery Boxes / Trays (12)Brakes (3)   Air Dryers (3)Cab, Body & Interior (222)   Back Windows (1)   Bumpers, Front (14)   Cabs (22)   Dashboards (13)   Door Assemblies, Front (20)   Door Mirrors (22)   Door Vent Glass (1)   Door Window Regulators (2)   Door Windows (1)   Doors (35)   Fender Extensions (2)   Fenders (2)   Grilles (2)   Hood Hinges (1)   Hoods (20)   Interior Misc. Parts (11)   Mirrors (5)   Roof Fairings (1)   Seats (7)   Side View Mirrors (13)   Sleeper Doors (6)   Sleepers (5)   Steering Wheels (3)   Sun Visors (13)Cooling & HVAC (58)   A/C Condensers (1)   Blower Motors (HVAC) (2)   Cooling Assemblies (Rad., Cond., ATAAC) (5)   Fan Blades (1)   Fan Clutches (1)   Heater / AC Climate Control Parts (7)   Intercoolers & Charge Air Coolers (9)   Intercoolers (1)   Radiator Overflow Bottles / Surge Tanks (8)   Radiators (23)Electrical & Lighting (32)   Cab Wiring Harnesses (1)   Fuse Boxes & Panels (6)   Gauges (4)   Headlight Assemblies (6)   Radios (3)   Throttle Position Sensors (4)   Windshield Washer Reservoirs (3)   Windshield Wiper Arms (2)   Windshield Wiper Motors (3)Electrical Misc. Parts (1)Exhaust & Emissions (17)   Exhaust Assemblies (4)   Exhaust Brackets (12)   Exhaust Pipes (1)   Exhaust Parts (4)Exterior Misc. Parts (1)Frame & Chassis (24)   Brackets, Misc. (6)   Crossmembers (7)   Deck Plates / Catwalk (1)   Frame Horns (9)   Frames (1)Fuel System (29)   Fuel / Water Separators (1)   Fuel Tank Straps & Brackets (10)   Fuel Tanks (Truck) (18)Hood Parts (8)Hydraulics & PTO (3)   Hydraulic Tanks (3)Instrument Panel Clusters (25)Miscellaneous Truck Parts (3)Power Steering Reservoirs (1)Suspension & Steering (53)   Leaf Springs, Front (12)   Power Steering Assemblies (1)   Spring Hangers (1)   Steering Columns (16)   Steering Gears / Racks (2)   Steering Pumps (1)   Suspension Crossmembers / K-Frames (6)   Suspension Misc. Parts (7)   Suspensions (7)Tool Boxes (8)Truck Bodies / Boxes / Beds (1)Wheels, Tires & Hubs (1)   Mud Flap Hangers (1)
Make
Peterbilt (587)
Model
378 (587)
A limited list of models are shown. Select a category above to view all available models.
Condition
Model Year
-
Horsepower
-
Price
-
Country
United States (587)
State / Region
Select a state below and click Refine Results.




















Market Type
For Sale (587)

Shop Truck Parts by Category

Showing 176 - 200 of 587 Listings

176 - 200 of 587 listings
176 - 200 of 587 listings
Peterbilt 378 Cab Assembly

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...
ConditionUsed
Engine ModelDetroit SERIES 60
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-24728
MLS Number10827684
CategoryCabs
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Used 2004 Peterbilt 378 Hood Assembly 61" Red Fiberglass

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,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberP-39539
MLS Number11868620
CategoryHoods
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Used 2001 Peterbilt 378 Hood Assembly 60" Fiberglass, Blue

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberP-72266
MLS Number12630659
CategoryHoods
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Used 1996 Peterbilt 378 Hood Assembly 55" From Cowl to Grille, Blue Fiberglass

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,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Stock NumberP-112389
MLS Number13868840
CategoryHoods
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Peterbilt 378 Front Axle Assembly

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Capacity18,740
Stock NumberP-39515
MLS Number11868581
CategoryAxle Assemblies, Front
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Peterbilt 378 Frame Horn

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",...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Part Number02-02516 L
Stock NumberP-54225
MLS Number12197220
CategoryFrame Horns
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Peterbilt 378 Right Fuel Tank

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
SideRIGHT
Stock NumberP-39518
MLS Number11868585
CategoryFuel Tanks (Truck)
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Peterbilt 378 Left Fuel Tank

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
SideLEFT
Capacity142 Gallons,
Stock NumberP-112365
MLS Number13867928
CategoryFuel Tanks (Truck)
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Peterbilt 378 Right Fuel Tank

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
SideRIGHT
Capacity142 Gallons
Stock NumberP-112367
MLS Number13867931
CategoryFuel Tanks (Truck)
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Peterbilt 378 Right Door

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2007
SideRIGHT
Stock Number6579
MLS Number9732371
CategoryDoors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Peterbilt 378 Left Door

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
SideLEFT
Stock NumberP-39559
MLS Number11868641
CategoryDoors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Peterbilt 378 Right Door

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
SideRIGHT
Stock NumberP-39560
MLS Number11868643
CategoryDoors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Peterbilt 378 Right Door

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
SideRIGHT
Stock NumberP-47601
MLS Number12038738
CategoryDoors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Peterbilt 378 Left Door

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,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
SideLEFT
Stock NumberP-72268
MLS Number12630661
CategoryDoors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
Save Search
Email Alert
What's Save Search and Email Alert?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
Did you find what you were looking for? Yes No