Peterbilt 378 Truck Parts For Sale

1999 Peterbilt 378 Battery Box

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1999 Peterbilt 379 Driver Side LH Battery Box, 29"L x 14"W x 12"H, 4 Battery Capacity.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	1973-14
MLS Number	13897892
Category	Battery Boxes / Trays
Last Updated	12/5/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2005 Peterbilt 378 Fuel Tank

$581 USD

(USED) Peterbilt 378 Gallons: 89 Length: 40 Width/Dia: 26 Height: - SHALLOW DENTS NEAR SEAM UNDER STRAPS

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25717431
MLS Number	13236041
Category	Fuel Tanks (Truck)
Last Updated	12/3/2025
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

(833) 541-___ SHOW
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1998 Peterbilt 378 Suspension

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USED SUSPENSION FOR PARTS, DS461P 3.90, PETE AIR TRAC, CAST PEDISTOLS, Suspension Type: Air Spring

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	52624-3
MLS Number	12894481
Category	Suspensions
Last Updated	11/22/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

1988 Peterbilt 378 Air Cleaner / Air Filter Housing

$400 USD

PETERBILT STAINLESS WRAPPED STEEL AIR CLEANER

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	51053
MLS Number	13993062
Category	Air Cleaners / Air Filter Housings
Last Updated	11/20/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

2003 Peterbilt 378 Bracket

$120 USD

05-15216 BRACKET-AIR CLEANER 15" STAINLESS

Quantity	6
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	108101
MLS Number	13244662
Category	Brackets, Misc.
Last Updated	11/20/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

Peterbilt 378 Left Bracket

$140 USD

01-49257L KNEE-ENGINE SPRT FRONT LH

Quantity	5
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Left
Stock Number	107733
MLS Number	13119279
Category	Brackets, Misc.
Last Updated	11/20/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

Peterbilt 378 Left Hood Part

$260 USD

13-04708L PIVOT-LOWER ALUMINUM LH

Quantity	7
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Left
Stock Number	107701
MLS Number	13111104
Category	Hood Parts
Last Updated	11/20/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

2008 Peterbilt 378 Right Bracket

$320 USD

29-02784M001 SUPPORT-SLPR RH HIGH MT*C CAST# 29-02784M000

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	5251
MLS Number	13010281
Category	Brackets, Misc.
Last Updated	11/20/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

Peterbilt 378 Left Hood Part

$260 USD

PIVOT-LOWER ALUMINUM LH 13-04708L

Quantity	4
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Left
Stock Number	102566
MLS Number	12744303
Category	Hood Parts
Last Updated	11/20/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

1999 Peterbilt 378 Right Front Door Assembly

$500 USD

1999 Peterbilt 378 Passenger Side Door Assembly, Manual Window, w/ Mirror.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	1973-10
MLS Number	13897891
Category	Door Assemblies, Front
Last Updated	11/15/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1988 Peterbilt 378 Frame

$300 USD

1988 Peterbilt 378 Aluminum Front Crossmember Motor Mount, P/N 05-15046.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	1511-19
MLS Number	13894237
Category	Frames
Last Updated	10/29/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(833) 527-___ SHOW
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Peterbilt 378 Right Door

$597 USD

Good condition take out door. We offer shipping, Window Type: Manual

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Side	RIGHT
Stock Number	2535
MLS Number	13043287
Category	Doors
Last Updated	10/29/2025
Location	Wayne, NJ, US
Sold By	Camp Auto and Truck Parts Inc.

1988 Peterbilt 378 Fifth Wheel

$400 USD

Holland FW35 Air Slide Fifth Wheel, 33.5" Frame Width, 86.5" Rail, 52.5" Slide Base, 24" Slide Travel, 6.75" Deck Height, Driver Side Release. Top Plate P/N XA-351-A-L-P, S/N A00002539H

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	1511-12
MLS Number	13893134
Category	Fifth Wheels
Last Updated	10/29/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2005 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)	2005
Stock Number	SV-1560
MLS Number	13897719
Category	Salvage Trucks
Last Updated	10/16/2025
Location	Alma, AR, US
Sold By	Arkansas Truck Center

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1995 Peterbilt 378 Air Cleaner / Air Filter Housing

$175 USD

(USED) Peterbilt 378 Size: 11 Material: STEEL Style: DONALDSON Location: INTERNAL Ref# EBA11-2403

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Part Number	EBA11-2403
Stock Number	25738122
MLS Number	13315439
Category	Air Cleaners / Air Filter Housings
Last Updated	10/18/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

1996 Peterbilt 378 Interior Part

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(Used) 1996 Peterbilt 378, SLEEPER BUNK- Bunk: Bottom, Color: Blue, Material: Vinyl, Reference images for condition, For more information about this item, give us a call. We ship...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Stock Number	P-112430
MLS Number	13869914
Category	Interior Misc. Parts
Last Updated	10/7/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Sun Visor

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(Used) 1996 Peterbilt 378, EXTERIOR SUN VISOR- Side: Center Of Truck, Color: Chrome, Material: Aluminum, 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)	1996
Stock Number	P-112429
MLS Number	13869913
Category	Sun Visors
Last Updated	10/7/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Dashboard Assembly

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(Used) 1996 Peterbilt 378, DASH ASSEMBLY- Color: Black, Material: Plastic, Less Instrumentations Sold Separately, Reference images for condition, For more information about this item,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Stock Number	P-112428
MLS Number	13869912
Category	Dashboards
Last Updated	10/7/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Sun Visor

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(Used) 1996 Peterbilt 378, SUN VISOR- Side: Passenger Right Side, Color: Blue, Material: Vinyl, Type: Adjustable, 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)	1996
Stock Number	P-112426
MLS Number	13869910
Category	Sun Visors
Last Updated	10/7/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Sun Visor

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(Used) 1996 Peterbilt 378, SUN VISOR- Side: Driver Left Side, Color: Blue, 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)	1996
Stock Number	P-112424
MLS Number	13869908
Category	Sun Visors
Last Updated	10/7/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Interior Part

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(Used) 1996 Peterbilt 378, MISCELLANEOUS DASH SWITCHES- Controls: Trailer Air Supply, Parking Brake, Material: Plastic, For more information about this item, give us a call. We ship...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Stock Number	P-112421
MLS Number	13869906
Category	Interior Misc. Parts
Last Updated	10/7/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Interior Part

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(Used) 1996 Peterbilt 378, MISCELLANEOUS DASH SWITCHES- Controls: Headlights, CL Lights, Signal, Load Lights, Fuel R, Power Mirror, Axle Diff, Engine Brake, Ether, Override, Engine Fan, Heat...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Stock Number	P-112419
MLS Number	13869904
Category	Interior Misc. Parts
Last Updated	10/7/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Radio

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(Used) 1996 Peterbilt 378, RADIO- Type: Dual, MP3, Plays: AM/FM, Weather Band, Disc, Bluetooth, USB, AUX, 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)	1996
Stock Number	P-112415
MLS Number	13869900
Category	Radios
Last Updated	10/7/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1996 Peterbilt 378 Instrument Panel Cluster

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(Used) 1996 Peterbilt 378, INSTRUMENT CLUSTER- Gauges: RPM, Engine Oil Pressure, Water Temperature, MPH, Battery Volts, Fuel Pressure, Fuel Level, Air Pressure, Material: Plastic, For more...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Stock Number	P-112414
MLS Number	13869899
Category	Instrument Panel Clusters
Last Updated	10/7/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts