Peterbilt 378 For Sale

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1994 Peterbilt 378 Salvage Truck

Newly Listed

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94 PETE 378,3406B 425HP 3ZJ40133,RTO14708LL,DT461 411/560 2SPEEDS ON AIR TRAC,FL941 20K FRT AXLE, Serial#: 3ZJ, Ratio: 411/560, Engine Make: Caterpillar, Transmission Make: Eaton/Fuller

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1994
Stock Number	71326
MLS Number	14489878
Category	Salvage Trucks
Last Updated	7/17/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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1999 Peterbilt 378 Right Front Door Assembly

Recently Updated

$350 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	7/16/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Used Peterbilt 378 Lower Hood Roller Bracket, Part # 13-04387

Recently Updated

$140 USD

BRACKET-ROLLER LOWER HOOD STL 13-04387

Quantity	14
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	102665
MLS Number	12770193
Category	Hood Parts
Last Updated	7/14/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

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Peterbilt 378 Tilt Assist Spring Hood Bracket, Part # 13-03506

Recently Updated

$125 USD

BRACKET-TILT ASSIST SPR HOOD 13-03506

Quantity	6
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	102664
MLS Number	12770192
Category	Hood Parts
Last Updated	7/14/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

2006 Used Peterbilt 378 Oil Tank

$1,000 USD

Used 378 Oil Tank, W x H x L: 25.00" x 25.00" x 36.00"

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Stock Number	692-10145
MLS Number	14475499
Category	Hydraulic Tanks
Last Updated	7/10/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2006 Used Peterbilt 378 Battery Box

$195 USD

Used 378 Battery Box, Side: Driver, Tray Material: Aluminum, Battery Capacity: 4, Width: 29.50", Height: 13.00", Steps: No, Latch/Strap: N/A

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Side	Driver
Stock Number	600-12557
MLS Number	14475498
Category	Battery Boxes / Trays
Last Updated	7/10/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2006 Used Peterbilt 378 SET, Full Tandem Fenders

$1,500 USD

Used 378 SET, Full Tandem Fenders, Side: Set, Material: Steel

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Side	Set
Stock Number	608-14025
MLS Number	14475497
Category	Fenders
Last Updated	7/10/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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1999 Peterbilt 378 Cooling Assembly

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Cooling Assembly, Complete, Includes RAD, CAC, and Condenser

Condition	Used
Engine Model	3406E
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	1973-6
MLS Number	14291274
Category	Cooling Assemblies (Rad., Cond., ATAAC)
Last Updated	7/10/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

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2007 Peterbilt 378 Day Cab Truck - Cummins 475HP, 18 Speed Manual

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Installed optionEXTENDED CAB,

Condition	Used
Usage	554,387 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	475 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	C-37690
MLS Number	14474895
Category	Day Cab Semi Trucks
Last Updated	7/15/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2006 Used Peterbilt 378 Tool Box

$350 USD

Used 378 Tool Box, Side: Either, Width: 36.00", Height: 21.50", Material: Aluminum, Steps: Yes, Latch/Strap: Cam-Over Latch

Quantity	2
Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Side	Either
Stock Number	693-10349
MLS Number	14473609
Category	Tool Boxes
Last Updated	7/9/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2001 Peterbilt 378 Right Fender Extension

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2001 Peterbilt 378 RH Fender Extension - Passenger Side - Used - May have some cosmetic blemishes (see photos). Got questions or need more information? Give us a shout by phone, email, or...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Side	RIGHT
Part Number	TBD
Stock Number	PT-0644-20
MLS Number	11906478
Category	Fender Extensions
Last Updated	7/8/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

(844) 734-___ SHOW
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2004 Peterbilt 378 Dump Truck

Price Drop $59,950 USD

2004 PETERBILT 378 Tri-Axle Dump Truck, 430HP, Rebuilt Caterpillar C12, 8LL Eaton Fuller, Chalmers Suspension, 46K rears, 20 Yard Ox Bodies Box, double frame, good tires, Second owner, runs...

Condition	Used
Stock Number	PKR0XUCF770385
MLS Number	13516257
Category	Dump Trucks
Last Updated	7/14/2026
Location	Baton Rouge, LA, US
Sold By	Proxy Equipment

Used 2006 Peterbilt 378 60.5" Complete White Hood

$3,763 USD

(USED) Peterbilt 378 SFA/SBA: SFA Color: WHITE Type: COMPLETE Length: 60.5 COMPLETE HOOD. CRACKS ON PASSENGER SIDE FENDER, BOTH FENDERS HAVE CHIPS ON EDGES, STRESS CRACKING ALONG TOP OF HOOD...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25795626
MLS Number	13586083
Category	Hoods
Last Updated	6/26/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2005 Peterbilt 378 Fuel Tank

$570 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	6/25/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

Used 1997 Peterbilt 378 SFA Red Complete Hood 60.5" Length

$3,763 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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25708931
MLS Number	13193584
Category	Hoods
Last Updated	6/26/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2001 Peterbilt 378 Engine Mount

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Peterbilt 378 Radiator Mount For Sale, Used. Call for more information, we ship everywhere., Air/Hydraulic: Air/Hydraulic, Engine Make: Caterpillar, Engine Model: C15

Condition	Used
Engine Model	Caterpillar C15
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Stock Number	PT-0644-39
MLS Number	14439515
Category	Engine Mounts
Last Updated	6/19/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

2001 Peterbilt 378 Left Spring Hanger

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Peterbilt 378 Frame Horn For Sale, Used. P/N: 02-01952L-M000, Driver Side. Call for details we ship everywhere., Capacity: 14000, Hub Bolts: 10, Brake Type: Drum, Axle Make: Eaton

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Side	LEFT
Capacity	14000
Part Number	02-01952L-M000
Stock Number	PT-0644-38
MLS Number	14439514
Category	Spring Hangers
Last Updated	6/19/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

2001 Peterbilt 378 Right Spring Hanger

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Peterbilt 378 Frame Horn For Sale, Used. P/N: 02-02944R, Passenger Side. Call for details we ship everywhere., Capacity: 14000, Hub Bolts: 10, Brake Type: Drum, Axle Make: Eaton

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Side	RIGHT
Capacity	14000
Part Number	02-02944R
Stock Number	PT-0644-37
MLS Number	14439513
Category	Spring Hangers
Last Updated	6/19/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

2001 Peterbilt 378 Cab Mount

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Peterbilt 378 Cab Suspension Rear Mounts/Brackets, Used. Side: Both. Call for more information, we ship everywhere.

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Stock Number	PT-0644-30
MLS Number	12034102
Category	Cab Mounts
Last Updated	6/19/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

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2007 Peterbilt 378 Left Fuel Tank

$1,589 USD

FUEL TANK PETERBILT 378/379/389, DRIVER SIDE, REAR FILL, 26 X 57 IN.,125 GALLONS, YEARS 2007 + -- RESERVOIR A CARBURANT PETERBILT 378/379/389, COTE CHAUFFEUR, BOUCHON ARRIERE, 26 X 57...

Condition	New
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2007
Side	LEFT
Capacity	125 G
Part Number	T07-126125-12P7
Stock Number	SIMI 79PB96804L
MLS Number	14439224
Category	Fuel Tanks (Truck)
Last Updated	6/19/2026
Location	Ste-Julie, QC, Canada
Sold By	Camions Lussier-Lussicam inc.

1997 Peterbilt 378 Air Cleaner / Air Filter Housing

$175 USD

(USED) Peterbilt 378 Size: 12 Material: STEEL Style: DONALDSON Location: INTERNAL

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25709090
MLS Number	13195489
Category	Air Cleaners / Air Filter Housings
Last Updated	6/19/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 905-___ SHOW
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2000 Peterbilt 378 Heater / AC Temp Control

$300 USD

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	2541058
MLS Number	13719839
Category	Heater / AC Climate Control Parts
Last Updated	6/17/2026
Location	Tampa, FL, US
Sold By	LKQ Heavy Truck

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Peterbilt 378 Right Bracket

$205 USD

01-49257R KNEE-ENGINE SPRT FRONT RH

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	4570
MLS Number	12874286
Category	Brackets, Misc.
Last Updated	6/16/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

2001 Peterbilt 378 Left Fuel Tank

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Peterbilt 378 Fuel tank assembly, tank, straps and mounting bracket.Measures : 72 x 25" has a small dent see pictures for details. 150 gallons capacity. Call us today, we ship everywhere.,...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Side	LEFT
Capacity	150
Stock Number	PT-0644-13
MLS Number	10787871
Category	Fuel Tanks (Truck)
Last Updated	6/13/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.