Peterbilt 378 Truck Parts For Sale

Your Current Search
Industry
Truck Parts
Manufacturer
Peterbilt
Model
378
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (1)
Truck Parts (860)
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 (301)   Back Windows (1)   Body Misc. Parts (1)   Bumper Guards (1)   Bumpers, Front (15)   Cab Exterior Panels (2)   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 (3)   Grilles (3)   Hood Brackets (2)   Hood Hinges (3)   Hoods (32)   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) (4)   Sun Visors (Interior) (4)   Sun Visors (16)Cooling & HVAC (84)   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)   Radiator Shrouds (3)   Radiators (31)Electrical & Lighting (42)   Body / Chassis Control Modules (1)   Door Electrical Switches (1)   Fuse Boxes & Panels (6)   Gauges (3)   Headlight Assemblies (10)   Parking Lamps / Turn Signals (1)   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 (17)   Diesel Exhaust Fluid (DEF) Tanks (1)   Exhaust Assemblies (4)   Exhaust Brackets (9)   Exhaust Pipes (2)   Exhaust Stacks (1)   Exhaust Parts (4)Exterior Misc. Parts (14)Frame & Chassis (41)   Brackets, Misc. (8)   Crossmembers (10)   Deck Plates / Catwalk (2)   Fifth Wheels (1)   Frame Horns (14)   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 (35)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 (861)
Model
378 (861)
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
For Sale (861)

Showing 76 - 100 of 861 Listings

76 - 100 of 861 listings
76 - 100 of 861 listings
Used Peterbilt 378 RH Exhaust Stack Bracket

2005 Used Peterbilt 378 RH Exhaust Stack Bracket

$135 USD
Used 378 RH Exhaust Stack Bracket, Side: Passenger, Type: Exhaust Stack Bracket, Length: 7.50", Width: 9.00"
ConditionUsed
L x W7.50" x 9.00"
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2005
SidePassenger
Part Number1415638R
Stock Number639-10636
MLS Number10749402
CategoryExhaust Parts
Last Updated1/24/2026
Location
Dorr, MI, US
Sold By
Frontier Truck Parts
Peterbilt 378 Front Axle Assembly

2006 Peterbilt 378 Front Axle Assembly

$5,500 USD
20K FRONT AXLE CONVERSION/ASSY. DUAL GEARBOXES LH#M110PHM14 RH# M905AD17., Capacity: 20K, Hub Bolts: 10, Brake Type: AIR, Axle Make: SPICER
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2006
Capacity20K
Stock Number11026-5
MLS Number14091626
CategoryAxle Assemblies, Front
Last Updated1/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
Used 1997 Peterbilt 378 SFA Red Complete Hood 60.5" Length

Used 1997 Peterbilt 378 SFA Red Complete Hood 60.5" Length

$4,165 USD
(USED) Peterbilt 378 SFA/SBA: SFA Color: RED Type: COMPLETE Length: 60.5 COMPLETE RH HEADLIGHT CRACKED BOTTOM OF LH FENDER CRACKED RH WHEEL WELL CRACKED
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Stock Number25708931
MLS Number13193584
CategoryHoods
Last Updated3/23/2026
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
Did you find what you were looking for? Yes No