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

Peterbilt 378 Truck Parts For Sale

Close
Your Current Search
Industry
Truck Parts
Manufacturer
Peterbilt
Model
378
Market Type
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 (783)
Category
Air Intake & Filtration (43)   Air Cleaners / Air Filter Housings (22)   Air Transfer Tubes (21)Air Tanks (20)Axles & Differentials (44)   Axle Assemblies, Front (42)   Spindles / Knuckles (2)Battery Box Covers (2)Battery Boxes / Trays (20)Brakes (5)   ABS Control Modules (1)   Air Dryers (3)   Brake Parts (1)Cab Mounts (5)Cab, Body & Interior (281)   Back Windows (1)   Bumpers, Front (16)   Cabs (32)   Dashboards (14)   Door Assemblies, Front (20)   Door Mirrors (21)   Door Vent Glass (1)   Door Window Regulators (2)   Door Windows (1)   Doors (45)   Fender Extensions (3)   Fenders (4)   Grilles (3)   Hood Hinges (2)   Hoods (30)   Interior Misc. Parts (21)   Mirrors (5)   Roof Fairings (1)   Seats (9)   Side View Mirrors (16)   Sleeper Doors (6)   Sleepers (8)   Steering Wheels (3)   Sun Visors (Exterior) (1)   Sun Visors (16)Cooling & HVAC (73)   A/C Compressors (1)   A/C Condensers (3)   Blower Motors (HVAC) (2)   Cooling Assemblies (Rad., Cond., ATAAC) (5)   Fan Blades (1)   Fan Clutches (1)   Heater / AC Climate Control Parts (10)   Intercoolers & Charge Air Coolers (10)   Intercoolers (1)   Radiator Frames (1)   Radiator Overflow Bottles / Surge Tanks (8)   Radiators (30)Electrical & Lighting (38)   Body / Chassis Control Modules (1)   Cab Wiring Harnesses (1)   Door Electrical Switches (1)   Fuse Boxes & Panels (6)   Gauges (4)   Headlight Assemblies (7)   Radios (4)   Side Marker Lamps (1)   Throttle Position Sensors (4)   Windshield Washer Reservoirs (4)   Windshield Wiper Arms (2)   Windshield Wiper Motors (3)Electrical Misc. Parts (1)Engine & Powertrain (4)   Engine Mounts (4)Exhaust & Emissions (18)   Exhaust Assemblies (4)   Exhaust Brackets (12)   Exhaust Pipes (2)   Exhaust Parts (4)Exterior Misc. Parts (14)Frame & Chassis (30)   Brackets, Misc. (7)   Crossmembers (9)   Deck Plates / Catwalk (1)   Frame Horns (10)   Frames (2)   Headache Racks (1)Fuel System (53)   Fuel / Water Separators (1)   Fuel Tank Straps & Brackets (14)   Fuel Tanks (Truck) (38)Hood Parts (9)Hydraulics & PTO (3)   Hydraulic Tanks (3)Instrument Panel Clusters (30)Miscellaneous Truck Parts (4)Power Steering Reservoirs (2)Suspension & Steering (60)   Leaf Springs, Front (12)   Power Steering Assemblies (1)   Spring Hangers (1)   Steering Columns (21)   Steering Gears / Racks (2)   Steering Pumps (1)   Steering Shafts (1)   Suspension Crossmembers / K-Frames (6)   Suspension Misc. Parts (8)   Suspensions (7)Tool Boxes (10)Transmission & Driveline (9)   Driveshaft Parts (2)   Driveshafts (7)Truck Bodies / Boxes / Beds (1)Wheels, Tires & Hubs (1)   Mud Flap Hangers (1)
Make
Peterbilt (784)
Model
378 (784)
A limited list of models are shown. Select a category above to view all available models.
Condition
Model Year
-
Horsepower
-
Price
-
Country
State / Region
Select a country to view available states.
Market Type

Shop Truck Parts by Category

Showing 1 - 25 of 784 Listings

1 - 25 of 784 listings
1 - 25 of 784 listings
Peterbilt 378 Left Fuel Tank

2001 Peterbilt 378 Left Fuel Tank

Recently Updated
Contact for price
Peterbilt 378 Fuel tank assembly, tank, straps and mounting bracket.Measures : 72 x 25" has a small dent see pictures for details. 150 gallons capacity. Call us today, we ship everywhere.,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
SideLEFT
Capacity150
Stock NumberPT-0644-13
MLS Number10787871
CategoryFuel Tanks (Truck)
Last Updated6/13/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
1999 Peterbilt 378 Hood 55"L Set Forward Axle, Part # 13-03520

1999 Peterbilt 378 Hood 55"L Set Forward Axle, Part # 13-03520

$975 USD
1999 Peterbilt 378 Hood, 55"L, Set Forward Axle, P/N 13-03520. Multiple Cracks Repairs, Panel Separation Near Hood Supports, Emblem Damage. See Photos.
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)378
Stock Number1973-7
MLS Number14291275
CategoryHoods
Last Updated5/20/2026
Location
Dinuba, CA, US
Sold By
Garabedian Equipment
(855) 794-___  SHOW
NUMBERCall Seller
Email Seller
Save
Garabedian Equipment
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