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

Used Peterbilt 378 Truck Parts For Sale by Dealerships

Close
Your Current Search
Industry
Truck Parts
Manufacturer
Peterbilt
Model
378
Condition
Used
Seller Type
Dealerships
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 (803)
Category
A/V Equipment (4)   Radios (4)Air Cleaners / Air Filter Housings (24)Air Tanks (23)Air Transfer Tubes (15)Axles & Differentials (45)   Axle Assemblies, Front (42)   Spindles / Knuckles (3)Back Windows (1)Battery Box Covers (2)Battery Boxes / Trays (19)Blower Motors (HVAC) (2)Body / Chassis Control Modules (1)Brakes (6)   ABS Control Modules (2)   Air Dryers (3)   Brake Parts (1)Bumpers, Front (12)Cab Exterior Panels (2)Cab Mounts (6)Cabs (30)Cooling & HVAC (76)   A/C Compressors (1)   A/C Condensers (3)   Coolant Tubes (1)   Cooling Assemblies (Rad., Cond., ATAAC) (5)   Fan Blades (1)   Fan Clutches (1)   Heater / AC Climate Control Parts (13)   Intercoolers & Charge Air Coolers (11)   Intercoolers (1)   Radiator Frames (1)   Radiator Overflow Bottles / Surge Tanks (8)   Radiators (30)Dashboards (12)Diesel Exhaust Fluid (DEF) Tanks (1)Door Electrical Switches (1)Door Mirrors (18)Door Vent Glass (1)Door Window Regulators (2)Door Windows (1)Doors (64)   Door Assemblies, Front (19)Driveshaft Parts (2)Driveshafts (7)Electrical Misc. Parts (1)Engine Parts (5)   Engine Mounts (5)   Exhaust Parts (18)Exhaust Assemblies (4)Exhaust Brackets (7)Exhaust Pipes (2)Exhaust Stacks (1)Exterior Misc. Parts (14)Fairings (1)   Roof Fairings (1)Fender Extensions (4)Fenders (2)Frame & Chassis (38)   Brackets, Misc. (8)   Crossmembers (11)   Deck Plates / Catwalk (2)   Fifth Wheels (1)   Frame Horns (12)   Frames (2)   Steps (Frame, Fuel Tank, Fairing) (2)Fuel / Water Separators (1)Fuel Tank Straps & Brackets (14)Fuel Tanks (Truck) (36)Fuse Boxes & Panels (4)Gauges (3)Grilles (3)Headlight Assemblies (6)Hood Parts (14)   Hood Brackets (2)   Hood Hinges (3)Hoods (33)Hydraulic Tanks (3)Instrument Panel Clusters (30)Interior Misc. Parts (21)Leaf Springs, Front (12)Leaf Springs, Rear (1)Mirrors (5)Miscellaneous Truck Parts (8)Mud Flap Hangers (1)Power Steering Assemblies (1)Power Steering Reservoirs (2)Seats (9)Side Marker Lamps (1)Side View Mirrors (14)Sleeper Parts (10)   Sleeper Doors (6)   Sleeper Windows (4)Sleepers (6)Spring Hangers (2)Steering Columns (21)Steering Gears / Racks (4)Steering Pumps (1)Steering Shafts (1)Steering Wheels (3)Sun Visors (Exterior) (1)Sun Visors (Interior) (4)Sun Visors (16)Suspension Crossmembers / K-Frames (8)Suspension Misc. Parts (9)Suspensions (6)Throttle Position Sensors (4)Tool Boxes (14)Truck Bodies / Boxes / Beds (1)   Windshield Washer Reservoirs (6)   Windshield Wiper Arms (2)   Windshield Wiper Motors (3)
Make
Peterbilt (804)
Model
378 (804)
A limited list of models are shown. Select a category above to view all available models.
Condition
Used (804)
Model Year
-
Horsepower
-
Price
-
Country
State / Region
Select a country to view available states.
Market Type
For Sale (804)

Shop Truck Parts by Category

Showing 776 - 800 of 804 Listings

776 - 800 of 804 listings
776 - 800 of 804 listings
Peterbilt 378 Cab Assembly

2004 Peterbilt 378 Cab Assembly

Contact for price
FLOOR BENT?,, GREY INTERIOR,, LOW ROOF GRAVEL BOX 146" PUP USED (Cab Assembly), Air/Hydraulic: Air/Hydraulic, Engine Make: Other, Engine Model: Other
ConditionUsed
Engine ModelOther
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock Number1849-PETE-3
MLS Number13336472
CategoryCabs
Last Updated3/7/2025
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
NUMBERCall Seller
Email Seller
Save
Badger Truck Parts Ltd.
Peterbilt 378 Left Fuel Tank

2004 Peterbilt 378 Left Fuel Tank

Contact for price
USED; Gal.: 120; Diameter: 23"; Length: 61" (Fuel Tank), Capacity: 120, Dimensions: NA, Material: Not Specified
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
SideLEFT
Capacity120
Stock Number1849-PETE-7
MLS Number13336468
CategoryFuel Tanks (Truck)
Last Updated3/7/2025
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
NUMBERCall Seller
Email Seller
Save
Badger Truck Parts Ltd.
Peterbilt 378 Radiator

2007 Peterbilt 378 Radiator

$995 USD
GOOD USED RADIATOR ASSEMBLY/ FIREWALL MOUNTED SURGE TANK, Dimensions: NA, Engine Make: Cummins, Engine Model: ISX, Fill Location: NA
ConditionUsed
Engine ModelCummins ISX
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2007
Part Number239297
Stock Number122823-11
MLS Number12544115
CategoryRadiators
Last Updated1/5/2024
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst Truck Parts
Peterbilt 378 Charge Air Cooler (ATAAC)

2007 Peterbilt 378 Charge Air Cooler (ATAAC)

$300 USD
GOOD PRESSURE CHECKED CHARGE AIR COOLER, 90 DAY WARRANTY. 379/378/357/377 FITS MANY MODELS, Core Charge: NA, Engine Make: Cummins, Engine Model: ISX
ConditionUsed
Engine ModelCummins ISX
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2007
Part Number222101
Stock Number122823-4
MLS Number12544106
CategoryIntercoolers & Charge Air Coolers
Last Updated1/5/2024
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst Truck Parts
Peterbilt 378 Charge Air Cooler (ATAAC)

2004 Peterbilt 378 Charge Air Cooler (ATAAC)

$300 USD
GOOD PRESSURE CHECKED CHARGE AIR COOLER 90 DAY WARRANTY, Core Charge: NA, Engine Make: Caterpillar, Engine Model: C15
ConditionUsed
Engine ModelCaterpillar C15
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Part Number222101
Stock Number122622-8
MLS Number11809826
CategoryIntercoolers & Charge Air Coolers
Last Updated12/18/2023
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst 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