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Peterbilt 378 Truck Parts For Sale

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Make
Peterbilt (798)
Model
378 (798)
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Showing 226 - 250 of 798 Listings

226 - 250 of 798 listings
226 - 250 of 798 listings
Peterbilt 378 Instrument Panel Cluster

2004 Peterbilt 378 Instrument Panel Cluster

$550 USD
(Used) 2004 Peterbilt 378, INSTRUMENT CLUSTER - Part Number: 17-04236-14310, Gauges: Fuel Level, Battery Volts, (1)Oil Temp, (2) Oil Temp, (3) Oil Temp, Air Pressure, Exhaust Temp, Material...
ConditionUsed
Engine ModelCaterpillar C15
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Part Number17-04236-14310
Stock NumberP-39581
MLS Number11875165
CategoryInstrument Panel Clusters
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Instrument Panel Cluster

2001 Peterbilt 378 Instrument Panel Cluster

$550 USD
(Used) 2001 Peterbilt 378, INSTRUMENT CLUSTER- Gauges: Engine Oil Temperature, Oil Pressure, RPM, MPH, Water Temp, Air Pressure, Quartz, Reference images for condition, For more information...
ConditionUsed
Engine ModelCaterpillar C12
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberP-47608
MLS Number12038745
CategoryInstrument Panel Clusters
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Front Leaf Spring

2004 Peterbilt 378 Front Leaf Spring

$499.99 USD
(Used) 2004 Peterbilt 378, FRONT LEAF SPRING- Side: Driver Side, Material: Steel, 18,000 lb front axle 18k Leaf Quantity: 5, 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)2004
Part Number18000
Stock NumberP-39562
MLS Number11868645
CategoryLeaf Springs, Front
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
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Peterbilt 378 Front Leaf Spring

2004 Peterbilt 378 Front Leaf Spring

$499.99 USD
(Used) 2004 Peterbilt 378, FRONT LEAF SPRING- Side: Passenger Side, 18k front axle Material: Steel, Leaf Quantity: 5, Damage, Front Shock Bracket Broken, For more information about this item...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Part Number18,000
Stock NumberP-39563
MLS Number11868646
CategoryLeaf Springs, Front
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
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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 Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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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 Updated5/13/2026
Location
Elkton, MD, US
Sold By
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Peterbilt 378 Right Seat

2004 Peterbilt 378 Right Seat

$375 USD
(Used) 2004 Peterbilt 378, SEAT- Side: Passenger Side, Color: Black, Material: Leather, Type: Stationary, 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)2004
SideRIGHT
Stock NumberP-39577
MLS Number11875159
CategorySeats
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
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Peterbilt 378 Exterior Sun Visor

2004 Peterbilt 378 Exterior Sun Visor

$328.50 USD
2004 Peterbilt 378 Exterior Sun Visor For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere.
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Part NumberTBD
Stock NumberPT-0653-24
MLS Number10908002
CategorySun Visors (Exterior)
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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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 Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Right Side View Mirror

2004 Peterbilt 378 Right Side View Mirror

$324.98 USD
(Used) 2004 Peterbilt 378, SIDE VIEW MIRROR- Side: Passenger Side, Color: Chrome, Type: Manual And Heat, Mounts: Door, 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)2004
SideRIGHT
Stock NumberP-39566
MLS Number11868649
CategorySide View Mirrors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Side View Mirror

2004 Peterbilt 378 Side View Mirror

$324.98 USD
(Used) 2004 Peterbilt 378 SIDE VIEW MIRROR - DRIVERS SIDE, MANUAL, Reference images for condition 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-56350
MLS Number12247601
CategorySide View Mirrors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Left Side View Mirror

2001 Peterbilt 378 Left Side View Mirror

$324.98 USD
(Used) 2001 Peterbilt 378, SIDE VIEW MIRROR- Side: Driver Left Side, Color: Chrome, Type: Manual, Mounts: Door, 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)2001
SideLEFT
Stock NumberP-72270
MLS Number12630663
CategorySide View Mirrors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Left Side View Mirror

1996 Peterbilt 378 Left Side View Mirror

$324.98 USD
(Used) 1996 Peterbilt 378, SIDE VIEW MIRROR- Side: Driver Left Side, Color: Chrome, Type: Power Heat Mirror, Mounts: Door, Reference images for condition, For more information about this...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
SideLEFT
Stock NumberP-112393
MLS Number13868844
CategorySide View Mirrors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Right Side View Mirror

1996 Peterbilt 378 Right Side View Mirror

$324.98 USD
(Used) 1996 Peterbilt 378, SIDE VIEW MIRROR- Side: Passenger Right Side, Color: Chrome, Type: Power Heat Mirror, Mounts: Door, Reference images for condition, For more information about...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
SideRIGHT
Stock NumberP-112394
MLS Number13868845
CategorySide View Mirrors
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Used 2004 Peterbilt 378 Left Interior Door Panel, Black Leather, Manual

Used 2004 Peterbilt 378 Left Interior Door Panel, Black Leather, Manual

$300 USD
(Used) 2004 Peterbilt 378, INTERIOR DOOR PANEL- Side: Driver Side, Color: Black, Type: Manual, Material: Leather, 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)2004
Stock NumberP-39573
MLS Number11875156
CategoryInterior Misc. Parts
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
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Used 2004 Peterbilt 378 Right Interior Door Panel, Black Leather Manual

Used 2004 Peterbilt 378 Right Interior Door Panel, Black Leather Manual

$300 USD
(Used) 2004 Peterbilt 378, INTERIOR DOOR PANEL- Side: Passenger Side, Color: Black, Type: Manual, Material: Leather, 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)2004
Stock NumberP-39575
MLS Number11875157
CategoryInterior Misc. Parts
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
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Used 2004 Peterbilt 378 Miscellaneous Dash Switches

Used 2004 Peterbilt 378 Miscellaneous Dash Switches

$299.99 USD
(Used) 2004 Peterbilt 378, MISCELLANEOUS DASH SWITCHES- Controls: Eng Brake, Cruise Control, Eng Fan, Lift Axle, Material: Plastic, 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
Stock NumberP-39584
MLS Number11875169
CategoryInterior Misc. Parts
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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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 Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Fuel Tank Strap / Bracket

2005 Peterbilt 378 Fuel Tank Strap / Bracket

$255 USD
2005 Peterbilt 378 Fuel Tank Brackets For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Material: Aluminum
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2005
Part NumberTBD
Stock NumberPT-0625-21
MLS Number10682875
CategoryFuel Tank Straps & Brackets
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  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 Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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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 Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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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 Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Air Tank

1998 Peterbilt 378 Air Tank

$224.98 USD
(Used) 1998 Peterbilt 378, AIR TANK- Side: Driver Side Material: Aluminum Location: Bottom Dimensions: L=22”, D=9.5”, Front Ports: 2 Rear Ports: 2 Side Ports: 4 Reference images...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-53905
MLS Number12182937
CategoryAir Tanks
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Air Tank

2001 Peterbilt 378 Air Tank

$224.98 USD
(Used) 2001 Peterbilt 378, AIR TANK- Side: Driver Left Side, Location: Bottom, Material: Steel, Dimensions: L=28", D=9", Front Ports: 2, Rear Ports: 3, For more information about this item...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberP-72244
MLS Number12630637
CategoryAir Tanks
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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Peterbilt 378 Air Tank

2001 Peterbilt 378 Air Tank

$224.98 USD
(Used) 2001 Peterbilt 378, AIR TANK- Side: Driver Left Side, Location: Bottom, Material: Steel, Dimensions: L= 22", D=9", Front Ports: 2, Rear Ports: 2, Side Ports: 3, For more...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberP-72248
MLS Number12630641
CategoryAir Tanks
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
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