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Used Peterbilt 378 Truck Parts For Sale by Dealerships

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Peterbilt (842)
Model
378 (842)
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Showing 426 - 450 of 842 Listings

426 - 450 of 842 listings
426 - 450 of 842 listings
Used 2004 Peterbilt 378 Hood Assembly 61" Red Fiberglass

Used 2004 Peterbilt 378 Hood Assembly 61" Red Fiberglass

$4,950 USD
(Used) 2004 Peterbilt 378, HOOD ASSEMBLY- Length: 61”, from cowl to grille Color: Red, Material: Fiberglass Grille has 2 dents and some fiberglass damage on fender Repairable damages,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberP-39539
MLS Number11868620
CategoryHoods
Last Updated3/23/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Peterbilt 378 Radiator Overflow Bottle / Surge Tank

2004 Peterbilt 378 Radiator Overflow Bottle / Surge Tank

$295 USD
(Used) 2004 Peterbilt 378, RADIATOR OVERFLOW BOTTLE- Engine: Caterpillar C15, Location: Passenger Side, Material: Metal, Dimensions: Width=14", Height=8", For more information about this...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberP-39536
MLS Number11868617
CategoryRadiator Overflow Bottles / Surge Tanks
Last Updated12/18/2023
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Air Dryer

2004 Peterbilt 378 Air Dryer

$395 USD
(Used) 2004 Peterbilt 378, AIR Dryer Make: Bendix, Material: Metal, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberP-39531
MLS Number11868609
CategoryAir Dryers
Last Updated12/18/2023
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Peterbilt 378 Air Tank

2004 Peterbilt 378 Air Tank

$224.98 USD
(Used) 2004 Peterbilt 378, AIR TANK- Side: Driver Side, Material: Metal, Front Ports: 1, Rear Ports: 2, Side Ports: 3 Dimensions: Width=32", Height=10", For more information about this item,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberP-39528
MLS Number11868603
CategoryAir Tanks
Last Updated11/18/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Peterbilt 378 Battery Box Cover

2004 Peterbilt 378 Battery Box Cover

$225 USD
(Used) 2004 Peterbilt 378, BATTERY BOX COVER- Side: Driver Side, Capacity: 3 Batteries, Material: Aluminum, Dimensions: Length=30.5", Width=16", For more information about this item, give us...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberP-39527
MLS Number11868602
CategoryBattery Box Covers
Last Updated12/18/2023
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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Peterbilt 378 Battery Box

2004 Peterbilt 378 Battery Box

$225 USD
(Used) 2004 Peterbilt 378, BATTERY BOX- Side: Driver Side, Capacity: 3 Batteries, Material: Aluminum, Dimensions: Length=30", Width=23", 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)2004
Stock NumberP-39526
MLS Number11868599
CategoryBattery Boxes / Trays
Last Updated12/18/2023
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Hydraulic Tank

2004 Peterbilt 378 Hydraulic Tank

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(Used) 2004 Peterbilt 378, HYDRAULIC TANK- Side: Driver Side, Material: Metal, Color: Black, Shape: Rectangular, Dimensions: L=33”, W=19", H=23", Reference images for condition, For more...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberP-39520
MLS Number11868589
CategoryHydraulic Tanks
Last Updated5/18/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Right Fuel Tank

2004 Peterbilt 378 Right Fuel Tank

$899.98 USD
(Used) 2004 Peterbilt 378, FUEL TANK- Side: Passenger Side, Capacity: N/A Material: Aluminum, Shape: Cylinder, Dimensions: L=43.5", D=26", the tank is bent, see photos Reference images for...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
SideRIGHT
Stock NumberP-39518
MLS Number11868585
CategoryFuel Tanks (Truck)
Last Updated2/5/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Front Axle Assembly

2004 Peterbilt 378 Front Axle Assembly

$2,950 USD
(Used) 2004 Peterbilt 378, COMPLETE FRONT AXLE- Make: Eaton, Model: EFA18F3, Capacity: 18,740 lbs, Hub Bolts: 10, Brake Type: Drum, 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)2004
Capacity18,740
Stock NumberP-39515
MLS Number11868581
CategoryAxle Assemblies, Front
Last Updated9/30/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Used 1998 Peterbilt 378 Right Air Filter, Green/Chrome Steel

Used 1998 Peterbilt 378 Right Air Filter, Green/Chrome Steel

$399.99 USD
(USED) 1998 Peterbilt 378 - Air Filter - Side: Passenger Side. Color: Green/ Chrome. Material: Steel. For more information about this item, give us a call. We ship Worldwide!. (CRG HEAVY...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-24766
MLS Number10830823
CategoryExterior Misc. Parts
Last Updated3/19/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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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 Updated12/18/2023
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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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 Updated12/18/2023
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Cab Assembly

1998 Peterbilt 378 Cab Assembly

$5,250 USD
(USED) 1998 Peterbilt 378 - Cab - Color Exterior: Green Color Interior: Gray. *Less Doors, Less Interiors. For more information about this item, give us a call. We ship Worldwide!. (CRG...
ConditionUsed
Engine ModelDetroit SERIES 60
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-24728
MLS Number10827684
CategoryCabs
Last Updated12/18/2023
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Left Side View Mirror

1998 Peterbilt 378 Left Side View Mirror

$324.98 USD
(USED) 1998 Peterbilt 378 - Side View Mirror - Side: Driver Side. Material: Aluminum. Type: Manual Adjustable/ Heated. Mounts: 2. 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)1998
SideLEFT
Stock NumberP-24723
MLS Number10827680
CategorySide View Mirrors
Last Updated10/30/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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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 Updated12/18/2023
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Engine Mount

2001 Peterbilt 378 Engine Mount

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Peterbilt 378 Engine Mount - Used - Removed from a 2001 Peterbilt 378 truck, this engine mount has been visually inspected to ensure part quality. Have questions about our Peterbilt 378...
ConditionUsed
Engine ModelCaterpillar C15
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberPT-0644-33
MLS Number12034105
CategoryEngine Mounts
Last Updated12/18/2023
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Peterbilt 378 Cab Mount

2001 Peterbilt 378 Cab Mount

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Peterbilt 378 Passenger Side Cab Mount - Used - Removed from a 2001 Peterbilt 378 truck, this passenger side cab mount has been visually inspected to ensure part quality. Have questions...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberPT-0644-32
MLS Number12034104
CategoryCab Mounts
Last Updated12/18/2023
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Peterbilt 378 Cab Mount

2001 Peterbilt 378 Cab Mount

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Peterbilt 378 Driver Side Cab Mount - Used Removed from a 2001 Peterbilt 378 truck, this driver side cab mount has been visually inspected to ensure part quality. Have questions about our...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberPT-0644-31
MLS Number12034103
CategoryCab Mounts
Last Updated12/18/2023
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Peterbilt 378 Cab Mount

2001 Peterbilt 378 Cab Mount

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Peterbilt 378 Cab Suspension Mounts/Brackets - Used Removed from a 2001 Peterbilt 378 truck, these cab suspension mounts/brackets have been visually inspected to ensure part quality. Have...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberPT-0644-30
MLS Number12034102
CategoryCab Mounts
Last Updated12/18/2023
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Used 2001 Peterbilt 378 Rear Aluminum Steps

Used 2001 Peterbilt 378 Rear Aluminum Steps

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Peterbilt 378 Rear Aluminum Steps - Used Removed from a 2001 Peterbilt 378 truck, these rear aluminum steps have been visually inspected to ensure part quality. Have questions about our...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberPT-0644-29
MLS Number12034101
CategoryExterior Misc. Parts
Last Updated3/19/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
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Lomoca Inc.
Peterbilt 378 Air Tank

2001 Peterbilt 378 Air Tank

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2001 Peterbilt 378 - Aluminum Air Tank. Located on the passenger side above the toolbox. Has 3 connecting ports. the part has been visually inspected and is in excellent condition. Call us...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberPT-0644-24
MLS Number12023841
CategoryAir Tanks
Last Updated12/18/2023
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
NUMBERCall Seller
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Lomoca Inc.
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