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 (845)
Category
Air Intake & Filtration (48)   Air Cleaners / Air Filter Housings (27)   Air Transfer Tubes (21)Air Tanks (23)Axles & Differentials (45)   Axle Assemblies, Front (42)   Spindles / Knuckles (3)Battery Box Covers (2)Battery Boxes / Trays (21)Brakes (6)   ABS Control Modules (2)   Air Dryers (3)   Brake Parts (1)Cab Mounts (6)Cab, Body & Interior (293)   Back Windows (1)   Bumpers, Front (14)   Cabs (32)   Dashboards (14)   Door Assemblies, Front (23)   Door Mirrors (22)   Door Vent Glass (1)   Door Window Regulators (2)   Door Windows (1)   Doors (42)   Fender Extensions (4)   Fenders (4)   Grilles (3)   Hood Brackets (2)   Hood Hinges (3)   Hoods (31)   Interior Misc. Parts (21)   Mirrors (5)   Roof Fairings (1)   Seats (9)   Side View Mirrors (14)   Sleeper Doors (8)   Sleeper Windows (4)   Sleepers (8)   Steering Wheels (3)   Sun Visors (Exterior) (1)   Sun Visors (Interior) (4)   Sun Visors (16)Cooling & HVAC (79)   A/C Compressors (1)   A/C Condensers (3)   Blower Motors (HVAC) (2)   Coolant Tubes (1)   Cooling Assemblies (Rad., Cond., ATAAC) (7)   Fan Blades (1)   Fan Clutches (1)   Heater / AC Climate Control Parts (14)   Intercoolers & Charge Air Coolers (10)   Intercoolers (1)   Radiator Frames (1)   Radiator Overflow Bottles / Surge Tanks (8)   Radiators (29)Electrical & Lighting (41)   Body / Chassis Control Modules (1)   Cab Wiring Harnesses (1)   Door Electrical Switches (1)   Fuse Boxes & Panels (6)   Gauges (2)   Headlight Assemblies (10)   Radios (4)   Side Marker Lamps (1)   Throttle Position Sensors (4)   Windshield Washer Reservoirs (6)   Windshield Wiper Arms (2)   Windshield Wiper Motors (3)Electrical Misc. Parts (1)Engine & Powertrain (5)   Engine Mounts (5)Exhaust & Emissions (20)   Diesel Exhaust Fluid (DEF) Tanks (1)   Exhaust Assemblies (4)   Exhaust Brackets (12)   Exhaust Pipes (2)   Exhaust Stacks (1)   Exhaust Parts (4)Exterior Misc. Parts (14)Frame & Chassis (38)   Brackets, Misc. (8)   Crossmembers (10)   Deck Plates / Catwalk (2)   Fifth Wheels (1)   Frame Horns (11)   Frames (2)   Headache Racks (1)   Steps (Frame, Fuel Tank, Fairing) (2)   Tow Hooks (1)Fuel System (55)   Fuel / Water Separators (1)   Fuel Tank Straps & Brackets (16)   Fuel Tanks (Truck) (38)Hood Parts (9)Hydraulics & PTO (3)   Hydraulic Tanks (3)Instrument Panel Clusters (34)Miscellaneous Truck Parts (4)Power Steering Reservoirs (2)Suspension & Steering (68)   Leaf Springs, Front (12)   Leaf Springs, Rear (1)   Power Steering Assemblies (1)   Spring Hangers (2)   Steering Columns (23)   Steering Gears / Racks (4)   Steering Pumps (1)   Steering Shafts (1)   Suspension Crossmembers / K-Frames (8)   Suspension Misc. Parts (9)   Suspensions (6)Tool Boxes (14)Transmission & Driveline (9)   Driveshaft Parts (2)   Driveshafts (7)Truck Bodies / Boxes / Beds (1)Wheels, Tires & Hubs (1)   Mud Flap Hangers (1)
Make
Peterbilt (846)
Model
378 (846)
A limited list of models are shown. Select a category above to view all available models.
Condition
Used (846)
Model Year
-
Horsepower
-
Price
-
Country
State / Region
Select a country to view available states.
Market Type
For Sale (846)

Shop Truck Parts by Category

Showing 326 - 350 of 846 Listings

326 - 350 of 846 listings
326 - 350 of 846 listings
Used 2005 Peterbilt 378 Marker Lamps, Both Sides

Used 2005 Peterbilt 378 Marker Lamps, Both Sides

Contact for price
2005 Peterbilt 378 Marker Lamps For Sale - Both Sides - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Material: Other
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2005
Stock NumberPT-0625-49
MLS Number11647902
CategoryExterior Misc. Parts
Last Updated3/19/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
2005 Peterbilt 378 Air Breather Light Strip

2005 Peterbilt 378 Air Breather Light Strip

Contact for price
2005 Peterbilt 378 Air Breather Light Strip For Sale - Used - May have some cosmetic blemishes (see photos). Got questions or need more information? Give us a shout by phone, email, or text....
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2005
Part NumberTBD
Stock NumberPT-0625-46
MLS Number11647899
CategoryExterior Misc. Parts
Last Updated3/19/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
Used 2005 Peterbilt 378 Left Side View Mirror

Used 2005 Peterbilt 378 Left Side View Mirror

Contact for price
2005 Peterbilt 378 Side View Mirror For Sale - LH / Driver Side - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere.
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2005
SideLEFT
Stock NumberPT-0625-44
MLS Number11647897
CategoryExterior Misc. Parts
Last Updated3/19/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
Peterbilt 378 Right Fender Extension

2001 Peterbilt 378 Right Fender Extension

Contact for price
2001 Peterbilt 378 RH Fender Extension - Passenger Side - Used - May have some cosmetic blemishes (see photos). Got questions or need more information? Give us a shout by phone, email, or...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
SideRIGHT
Part NumberTBD
Stock NumberPT-0644-20
MLS Number11906478
CategoryFender Extensions
Last Updated4/15/2024
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
Used 2004 Peterbilt 378 Exterior Rotating Light

Used 2004 Peterbilt 378 Exterior Rotating Light

Contact for price
2004 Peterbilt 378 Exterior Rotating Light - Used - May have some cosmetic blemishes (see photos). Got questions or need more information? Give us a shout by phone, email, or text. We ship...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberPT-0653-41
MLS Number11652210
CategoryExterior Misc. Parts
Last Updated3/19/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
Peterbilt 378 Sun Visor

1998 Peterbilt 378 Sun Visor

Contact for price
1998 Peterbilt 378 Sun Visor - Used - May have some cosmetic blemishes (see photos). Got questions or need more information? Give us a shout by phone, email, or text. We ship everywhere.
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberPT-0460-55
MLS Number11647856
CategorySun Visors
Last Updated4/15/2024
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
Peterbilt 378 Right Fuel Tank

2002 Peterbilt 378 Right Fuel Tank

$400 USD
USED RH APROX 150 GAL FUEL TANK OFF 2002 PETE 378, Capacity: APROX 150 GAL, Dimensions: 26 X 66, Material: Aluminum, Fuel Tank Shape: ROUND
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2002
SideRIGHT
CapacityAPROX 150 GAL
Stock Number120820-22
MLS Number12774607
CategoryFuel Tanks (Truck)
Last Updated2/5/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst Truck Parts
Used 2004 Peterbilt 378 Marker Lamps, Both Sides

Used 2004 Peterbilt 378 Marker Lamps, Both Sides

Contact for price
2004 Peterbilt 378 Marker Lamps For Sale - Both Sides - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. everywhere.,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberPT-0653-48
MLS Number11652216
CategoryExterior Misc. Parts
Last Updated3/19/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
Used 1998 Peterbilt 378 Front Air Cleaner Chrome Amber LED Parking Lights

Used 1998 Peterbilt 378 Front Air Cleaner Chrome Amber LED Parking Lights

Contact for price
1998 Peterbilt 378 Front Air Cleaner Chrome Amber LED Parking Lights - Used - May have some cosmetic blemishes (see photos). Got questions or need more information? Give us a shout by phone,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberPT-0460-54
MLS Number11647855
CategoryExterior Misc. Parts
Last Updated3/19/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
Used 1998 Peterbilt 378 Marker Lamps Set

Used 1998 Peterbilt 378 Marker Lamps Set

Contact for price
1998 Peterbilt 378 Marker Lamps Set - Used - May have some cosmetic blemishes (see photos). Got questions or need more information? Give us a shout by phone, email, or text. We ship...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberPT-0460-52
MLS Number11647853
CategoryExterior Misc. Parts
Last Updated3/19/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
1998 Peterbilt 378 Chrome Hand Rail Support / Grab Handle

1998 Peterbilt 378 Chrome Hand Rail Support / Grab Handle

Contact for price
1998 Peterbilt 378 Chrome Hand Rail Support / Grab Handle - Used - May have some cosmetic blemishes (see photos). Got questions or need more information? Give us a shout by phone, email, or...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberPT-0460-51
MLS Number11647852
CategoryExterior Misc. Parts
Last Updated3/19/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
Email Seller
Save
Lomoca Inc.
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