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Peterbilt 378 Truck Parts For Sale

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Air Intake & Filtration (48)   Air Cleaners / Air Filter Housings (27)   Air Transfer Tubes (21)Air Tanks (23)Axles & Differentials (46)   Axle Assemblies, Front (43)   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 (307)   Back Windows (1)   Body Misc. Parts (1)   Bumper Guards (1)   Bumpers, Front (16)   Cabs (32)   Dashboards (14)   Door Assemblies, Front (23)   Door Mirrors (22)   Door Vent Glass (1)   Door Window Regulators (2)   Door Windows (1)   Doors (44)   Fender Extensions (6)   Fenders (4)   Grilles (3)   Hood Brackets (2)   Hood Hinges (3)   Hoods (32)   Interior Misc. Parts (21)   Mirrors (5)   Roof Fairings (1)   Seats (9)   Side View Mirrors (16)   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 (44)   Body / Chassis Control Modules (1)   Cab Wiring Harnesses (1)   Door Electrical Switches (1)   Fuse Boxes & Panels (6)   Gauges (4)   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 (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 (40)   Brackets, Misc. (8)   Crossmembers (10)   Deck Plates / Catwalk (2)   Fifth Wheels (1)   Frame Horns (13)   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 (69)   Leaf Springs, Front (12)   Leaf Springs, Rear (1)   Power Steering Assemblies (1)   Spring Hangers (2)   Steering Columns (24)   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)
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Showing 151 - 175 of 872 Listings

151 - 175 of 872 listings
151 - 175 of 872 listings
Peterbilt 378 Battery Box Cover

1996 Peterbilt 378 Battery Box Cover

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(Used) 1996 Peterbilt 378, BATTERY BOX COVER- Side: Driver Left Side, Capacity: 4 Batteries, Material: Aluminum, Dimensions: L=30.5", H=16", W=16", Damage Reference images for condition, ...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Stock NumberP-112369
MLS Number13868820
CategoryBattery Box Covers
Last Updated10/5/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Right Fuel Tank

1996 Peterbilt 378 Right Fuel Tank

$899.98 USD
(Used) 1996 Peterbilt 378, FUEL TANK- Side: Passenger Right Side, Capacity: 142 Gallons, Material: Aluminum, Shape: Cylinder, Dimensions: L=63", D=25", It's Dented, Damage Reference images...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
SideRIGHT
Capacity142 Gallons
Stock NumberP-112367
MLS Number13867931
CategoryFuel Tanks (Truck)
Last Updated2/5/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Left Fuel Tank

1996 Peterbilt 378 Left Fuel Tank

$899.98 USD
(Used) 1996 Peterbilt 378, FUEL TANK- Side: Driver Left Side, Capacity: 142 Gallons, Material: Aluminum, Shape: Cylinder, Dimensions: L=63", D=25", Reference images for condition, For...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
SideLEFT
Capacity142 Gallons,
Stock NumberP-112365
MLS Number13867928
CategoryFuel Tanks (Truck)
Last Updated2/5/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Peterbilt 378 Right Spindle

1996 Peterbilt 378 Right Spindle

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(Used) 1996 Peterbilt 378, FRONT SPINDLE/KNUCKLE- Part Number: 813955, Serial Number: H-95-07-35517, Side: Passenger Right Side, Make: Eaton, Model: 12F4, Capacity: 12,000 Lbs, Hub Bolts:...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
SideRIGHT
Capacity12,000 Lbs
Part Number813955
Stock NumberP-112335
MLS Number13867897
CategorySpindles / Knuckles
Last Updated2/9/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Left Spindle

1996 Peterbilt 378 Left Spindle

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(Used) 1996 Peterbilt 378, FRONT SPINDLE/KNUCKLE- Part Number: 813955, Serial Number: H-95-07-35517, Side: Driver Left Side, Make: Eaton, Model: 12F4, Capacity: 12,000 Lbs, Hub Bolts: 10,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
SideLEFT
Capacity12,000 Lbs
Part Number813955
Stock NumberP-112334
MLS Number13867896
CategorySpindles / Knuckles
Last Updated2/9/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Front Leaf Spring

1996 Peterbilt 378 Front Leaf Spring

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(Used) 1996 Peterbilt 378, FRONT LEAF SPRINGS- Side: Passenger Right Side, Material: Steel, Leaf Quantity: 2, Dimensions: L=56", W=4", For more information about this item, give us a call....
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Stock NumberP-112330
MLS Number13867892
CategoryLeaf Springs, Front
Last Updated10/4/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Front Leaf Spring

1996 Peterbilt 378 Front Leaf Spring

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(Used) 1996 Peterbilt 378, FRONT LEAF SPRINGS- Side: Driver Left Side, Material: Steel, Leaf Quantity: 2, Dimensions: L=56", W=4", For more information about this item, give us a call. We...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Stock NumberP-112329
MLS Number13867891
CategoryLeaf Springs, Front
Last Updated10/4/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Front Axle Assembly

1996 Peterbilt 378 Front Axle Assembly

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(Used) 1996 Peterbilt 378, COMPLETE FRONT AXLE- Part Number: 813955, Serial Number: H-95-07-35517, Center Leaf to Center Leaf: 34", Make: Eaton, Model: 12F4, Capacity: 12,000 Lbs, Hub...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Capacity12,000 Lbs
Part Number813955
Stock NumberP-112328
MLS Number13867890
CategoryAxle Assemblies, Front
Last Updated2/9/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
2006 Peterbilt 378 Mirror Control Module, Part # Q27-8017-002

2006 Peterbilt 378 Mirror Control Module, Part # Q27-8017-002

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2006 PETE 378 MIRROR CONTROL MODULE P/N Q27-8014-002
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2006
Part NumberQ27-8017-002
Stock Number2807-PETE-30
MLS Number13815261
CategoryHeater / AC Climate Control Parts
Last Updated3/26/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Peterbilt 378 Right Fuel Tank

2005 Peterbilt 378 Right Fuel Tank

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2005 PETE 378 ALUMINUM 120 GALLON PASSENGER SIDE FUEL TANK WITH 4 BRACKETS AND STEPS 23X72 FRONT FILL, Capacity: 120 GALLON, Dimensions: 23X72, Material: Aluminum, Fuel Tank Shape: ROUND
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2005
SideRIGHT
Capacity120 GALLON
Stock Number3646-PETE-13
MLS Number13346991
CategoryFuel Tanks (Truck)
Last Updated2/5/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Peterbilt 378 Left Fuel Tank

2005 Peterbilt 378 Left Fuel Tank

$350 USD
USED TANK ASSEMBLY SMALL DENTS ON BOTTOM/ SEE PICTURES/ 68" WELD TO WELD, Capacity: 150, Dimensions: 26X68, Material: Aluminum
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2005
SideLEFT
Capacity150
Part Number11-04651-046B011J
Stock Number101424-7
MLS Number13212631
CategoryFuel Tanks (Truck)
Last Updated6/15/2025
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
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