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Peterbilt 378 Truck Parts For Sale

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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 (21)Brakes (5)   ABS Control Modules (1)   Air Dryers (3)   Brake Parts (1)Cab Mounts (5)Cab, Body & Interior (284)   Back Windows (1)   Bumpers, Front (16)   Cabs (32)   Dashboards (14)   Door Assemblies, Front (21)   Door Mirrors (22)   Door Vent Glass (1)   Door Window Regulators (2)   Door Windows (1)   Doors (44)   Fender Extensions (3)   Fenders (4)   Grilles (3)   Hood Hinges (2)   Hoods (32)   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 (74)   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 (31)Electrical & Lighting (40)   Body / Chassis Control Modules (1)   Cab Wiring Harnesses (1)   Door Electrical Switches (1)   Fuse Boxes & Panels (6)   Gauges (4)   Headlight Assemblies (9)   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 (36)   Brackets, Misc. (8)   Crossmembers (10)   Deck Plates / Catwalk (1)   Fifth Wheels (1)   Frame Horns (13)   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 (31)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 (3)   Steering Pumps (1)   Steering Shafts (1)   Suspension Crossmembers / K-Frames (6)   Suspension Misc. Parts (8)   Suspensions (6)Tool Boxes (11)Transmission & Driveline (9)   Driveshaft Parts (2)   Driveshafts (7)Truck Bodies / Boxes / Beds (1)Wheels, Tires & Hubs (1)   Mud Flap Hangers (1)
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Peterbilt (799)
Model
378 (799)
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For Sale (799)

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Showing 251 - 275 of 799 Listings

251 - 275 of 799 listings
251 - 275 of 799 listings
Peterbilt 378 Air Tank

2001 Peterbilt 378 Air Tank

$224.98 USD
(Used) 2001 Peterbilt 378, AIR TANK- Side: Rear, Location: Top, Material: Steel, Dimensions: L=35", D=10", Front Ports: 2, Rear Ports: 2, Side Ports: 3, For more information about this...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberP-72250
MLS Number12630643
CategoryAir Tanks
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Air Tank

2001 Peterbilt 378 Air Tank

$224.98 USD
(Used) 2001 Peterbilt 378, AIR TANK- Side: Rear, Location: Top, Material: Steel, Dimensions: L=32", D=10", Front Ports: 2, Rear Ports: 2, Side Ports: 3, For more information about this...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberP-72251
MLS Number12630644
CategoryAir Tanks
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Air Tank

1996 Peterbilt 378 Air Tank

$224.98 USD
(Used) 1996 Peterbilt 378, AIR TANK (1)- Side: Driver Left Side, Location: Driver Side Outside Frame, Material: Steel, Dimensions: L=31", D=10", Front Ports: 2, Rear Ports: 2, Side Ports:...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Stock NumberP-112370
MLS Number13868821
CategoryAir Tanks
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Peterbilt 378 Air Tank

1996 Peterbilt 378 Air Tank

$224.98 USD
(Used) 1996 Peterbilt 378, AIR TANK (2)- Side: Driver Left Side, Location: Behind The Battery Box, Material: Steel, Dimensions: L=22", D=10", Front Ports: 2, Rear Ports: 2, Side Ports: 4,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Stock NumberP-112371
MLS Number13868822
CategoryAir Tanks
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Peterbilt 378 Air Tank

1996 Peterbilt 378 Air Tank

$224.98 USD
(Used) 1996 Peterbilt 378, AIR TANK (3)- Side: Passenger Right Side, Location: Passenger Side Outside Frame, Material: Steel, Dimensions: L=31", D=9", Front Ports: 1, Rear Ports: 2, Side...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Stock NumberP-112372
MLS Number13868823
CategoryAir Tanks
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Left Door Window

2007 Peterbilt 378 Left Door Window

$134.99 USD
2007 PETERBILT 378 Used Driver Side Door Glass (Local Pick Up Only) We Ship Worldwide! Call Now For A Shipping Estimate! Make: PETERBILT Model: 378
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)378
Will Fit Year(s)2007
SideLEFT
Stock Number6590
MLS Number9733019
CategoryDoor Windows
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Radio

2004 Peterbilt 378 Radio

$89.99 USD
(Used) 2004 Peterbilt 378, RADIO- Type: Delphi, Six Presets, Plays: AM/FM, Disc, AUX, Bluetooth, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberP-39582
MLS Number11875167
CategoryRadios
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Peterbilt 378 Sun Visor

1998 Peterbilt 378 Sun Visor

$69.99 USD
(USED) 1998 Peterbilt 378 - Sun Visor - Side Driver Side. Material: Vinyl. Color: Gray. Type: Adjustable/ Sliding. For more information about this item, give us a call. We ship Worldwide!....
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-24729
MLS Number10827685
CategorySun Visors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Peterbilt 378 Sun Visor

1998 Peterbilt 378 Sun Visor

$69.99 USD
(USED) 1998 Peterbilt 378 - Sun Visor - Side: Passenger Side. Material: Vinyl. Color: Gray. Type: Adjustable/ Sliding. For more information about this item, give us a call. We ship...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-24730
MLS Number10827686
CategorySun Visors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Peterbilt 378 Right Fuel Tank Strap / Bracket

2006 Peterbilt 378 Right Fuel Tank Strap / Bracket

Contact for price
Peterbilt 378 fuel tank, brackets,26" tank, aluminum, part # 11-04855M000, priced by the unit., Material: Aluminium
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2006
SideRIGHT
Part Number11-04855M000
Stock NumberPT-0451-2
MLS Number9989026
CategoryFuel Tank Straps & Brackets
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Peterbilt 378 Front Bumper

1998 Peterbilt 378 Front Bumper

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Peterbilt 378 Bumper - Used - Material: Stainless Steel. Removed from a 1998 Peterbilt 378 truck, this bumper is made of stainless steel and has some damage which can be seen in the...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberPT-0460-5
MLS Number9989563
CategoryBumpers, Front
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Peterbilt 378 Cab Assembly

1998 Peterbilt 378 Cab Assembly

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1998 PETERBILT 378 CAB, DAMAGED ON LEFT SIDE, ALL COMPONENTS SOLD SEPARATELY, SEATS, CLUSTERS, STEERING WHEEL, CAB LIGHTS, DOORS.. bunk is sold Call for details we ship everywhere....., Air...
ConditionUsed
Engine ModelCaterpillar 3406B
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberPT-0460-6
MLS Number9989564
CategoryCabs
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
1998 Peterbilt 378 Hood Assembly 55" Length with Headlights and Grille

1998 Peterbilt 378 Hood Assembly 55" Length with Headlights and Grille

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1998 Peterbilt 378 Hood Assembly - Used - Length: 55 inch - Complete with headlights and grill - Part has some damage on the driver side (see photos) - Compatible with some older and newer...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Part NumberTBD
Stock NumberPT-0460-7
MLS Number9989565
CategoryHoods
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
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Lomoca Inc.
Peterbilt 378 Right Fuel Tank

1998 Peterbilt 378 Right Fuel Tank

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1998 PETERBILT 378 FUEL TANK,SPLIT TANK, MEASURES: 87 X 23, CAPACITY: 131 GAL, ALUMINUM,PASSENGER SIDE. SMALL BUMP AT THE BACK., Dimensions: 87 X 23, Material: Aluminium
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
SideRIGHT
Stock NumberPT-0460-12
MLS Number9989568
CategoryFuel Tanks (Truck)
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
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Lomoca Inc.
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