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Used Peterbilt 378 Truck Parts For Sale by Dealerships

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A/V Equipment (4)   Radios (4)Air Cleaners / Air Filter Housings (23)Air Tanks (23)Air Transfer Tubes (12)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 (11)Cab Exterior Panels (2)Cab Mounts (6)Cabs (29)Cooling & HVAC (75)   A/C Compressors (1)   A/C Condensers (3)   Coolant Tubes (1)   Cooling Assemblies (Rad., Cond., ATAAC) (4)   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 (16)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 (17)Exhaust Assemblies (4)Exhaust Brackets (6)Exhaust Pipes (2)Exhaust Stacks (1)Exterior Misc. Parts (14)Fairings (1)   Roof Fairings (1)Fender Extensions (4)Fenders (2)Frame & Chassis (36)   Brackets, Misc. (8)   Crossmembers (11)   Deck Plates / Catwalk (2)   Fifth Wheels (1)   Frame Horns (10)   Frames (2)   Steps (Frame, Fuel Tank, Fairing) (2)Fuel / Water Separators (1)Fuel Tank Straps & Brackets (14)Fuel Tanks (Truck) (36)Fuse Boxes & Panels (3)Gauges (3)Grilles (3)Headlight Assemblies (5)Hood Parts (14)   Hood Brackets (2)   Hood Hinges (3)Hoods (33)Hydraulic Tanks (3)Instrument Panel Clusters (32)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 (5)Spring Hangers (2)Steering Columns (20)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 (790)
Model
378 (790)
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Condition
Used (790)
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Showing 76 - 100 of 790 Listings

76 - 100 of 790 listings
76 - 100 of 790 listings
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
(833) 541-___  SHOW
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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.
(855) 370-___  SHOW
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Vander Haag's Inc.
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