Peterbilt 378 Truck Parts For Sale

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Peterbilt 378 Suspension Parts

$250 USD

PETERBILT AIR TRAC BRACKET AND SPRING LH

Condition	Used
Side	Left
Stock Number	97973
MLS Number	12529678
Category	Suspension Misc. Parts
Last Updated	12/27/2023
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

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2001 Peterbilt 378 Salvage Truck

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Truck for parts: Peterbilt 378 Engine: Caterpillar C15, Engine Make: Caterpillar, Engine Model: C15

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Stock Number	SV-1115
MLS Number	12518314
Category	Salvage Trucks
Last Updated	12/19/2023
Location	Alma, AR, US
Sold By	Arkansas Truck Center

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...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	P-56350
MLS Number	12247601
Category	Side View Mirrors
Last Updated	10/30/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Air Dryer

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(Used) 1998 Peterbilt 378 AIR DRYER - For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-55713
MLS Number	12233414
Category	Air Dryers
Last Updated	12/19/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Frame Horn

$1,198.99 USD

(Used) 1998 Peterbilt 378, FRAME HORN- Part Number: 02-02516 L, Side: Driver Left Side, Location: Front Left, Associated Parts Supported: Hood, Material: Aluminum, Dimensions: L=24",...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Part Number	02-02516 L
Stock Number	P-54225
MLS Number	12197220
Category	Frame Horns
Last Updated	1/20/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Crossmember

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(Used) 1998 Peterbilt 378, CROSSMEMBER- Location: Rear, Material: Aluminum, Dimensions: L=34", H=4", W=5.5", For more information about this item, give us a call. We ship Worldwide! (CRG...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-54221
MLS Number	12197216
Category	Crossmembers
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Crossmember

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(Used) 1998 Peterbilt 378, CROSSMEMBER- Location: Rear, Material: Aluminum, Dimensions: L=34", H=4", W=5.5", For more information about this item, give us a call. We ship Worldwide! (CRG...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-54219
MLS Number	12197214
Category	Crossmembers
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Crossmember

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(Used) 1998 Peterbilt 378, CROSSMEMBER- Location: Mid Front, Material: Aluminum, Dimensions: L=34", H=4", W=5.5", For more information about this item, give us a call. We ship Worldwide!...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-54216
MLS Number	12197211
Category	Crossmembers
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Crossmember

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(Used) 1998 Peterbilt 378, CROSSMEMBER- Location: Front, Material: Aluminum, Dimensions: L=34", H=4", W=5.5", For more information about this item, give us a call. We ship Worldwide! (CRG...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-54214
MLS Number	12197209
Category	Crossmembers
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Crossmember

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(Used) 1998 Peterbilt 378, FRAME RAILS- Side: Passenger Right Side, Material: Aluminum, Length: 21' 6", Height: 10 1/2", Width: 3 1/2", For more information about this item, give us a call...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-54210
MLS Number	12197205
Category	Crossmembers
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Crossmember

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(Used) 1998 Peterbilt 378, FRAME RAILS- Side: Driver Left Side, Material: Aluminum, Length: 21' 6", Height: 10 1/2", Width: 3 1/2", For more information about this item, give us a call. We...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-54207
MLS Number	12197202
Category	Crossmembers
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-53905
MLS Number	12182937
Category	Air Tanks
Last Updated	11/18/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2001 Peterbilt 378 Instrument Panel Cluster

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(Used) 2001 Peterbilt 378, INSTRUMENT CLUSTER- Gauges: Fuel Level, Air Pressure, Main Trans Oil Temp, Battery Volts, Manifold PSI, Front Driver Oil Temp, Air Pressure, Exhaust Temp, Rear...

Condition	Used
Engine Model	Caterpillar C12
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Stock Number	P-47609
MLS Number	12038746
Category	Instrument Panel Clusters
Last Updated	12/3/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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...

Condition	Used
Engine Model	Caterpillar C12
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Stock Number	P-47608
MLS Number	12038745
Category	Instrument Panel Clusters
Last Updated	12/3/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2001 Peterbilt 378 Right Door

$749.98 USD

(Used) 2001 Peterbilt 378, DOOR- Side: Passenger Right Side, Color: Black, Window Controls: Manual, No Window, Less Interior Panel, Side View Mirror Sold Separately, For more information...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Side	RIGHT
Stock Number	P-47601
MLS Number	12038738
Category	Doors
Last Updated	12/2/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2001 Peterbilt 378 Right Air Cleaner / Air Filter Housing

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(Used) 2001 Peterbilt 378, AIR CLEANER- Side: Passenger Right Side, Color: Chrome, Material: Steel, Engine: Caterpillar C12, Dimensions: L=33", D=15", (damage Reference images for...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Side	RIGHT
Stock Number	P-47596
MLS Number	12038733
Category	Air Cleaners / Air Filter Housings
Last Updated	7/22/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2004 Peterbilt 378 Sun Visor

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(Used) 2004 Peterbilt 378, SUN VISOR- Side: Passenger Side, Color: Brown, Material: Vinyl, Type: Adjustable, For more information about this item, give us a call.We ship Worldwide! (CRG...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	P-39586
MLS Number	11875171
Category	Sun Visors
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2004 Peterbilt 378 Sun Visor

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(Used) 2004 Peterbilt 378, SUN VISOR- Side: Driver Side, Color: Brown, Material: Vinyl, Type: Adjustable, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	P-39585
MLS Number	11875170
Category	Sun Visors
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2004 Peterbilt 378 Interior Part

$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...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	P-39584
MLS Number	11875169
Category	Interior Misc. Parts
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	P-39582
MLS Number	11875167
Category	Radios
Last Updated	1/12/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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...

Condition	Used
Engine Model	Caterpillar C15
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Part Number	17-04236-14310
Stock Number	P-39581
MLS Number	11875165
Category	Instrument Panel Clusters
Last Updated	10/18/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Side	RIGHT
Stock Number	P-39577
MLS Number	11875159
Category	Seats
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2004 Peterbilt 378 Interior Part

$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!...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	P-39575
MLS Number	11875157
Category	Interior Misc. Parts
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2004 Peterbilt 378 Interior Part

$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!...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	P-39573
MLS Number	11875156
Category	Interior Misc. Parts
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts