Used Peterbilt 378 For Sale in United States

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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	7/21/2026
Location	Lafayette, LA, US
Sold By	Proxy Equipment

2006 Used Peterbilt 378 SET, Mud Flap Hangers

Newly Listed

$258 USD

Used 378 SET, Mud Flap Hangers, Dimensions: 8.00"x30.25", Side: Set, Type: Straight Type

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Side	Set
Stock Number	727-10630
MLS Number	14495219
Category	Mud Flap Hangers
Last Updated	7/21/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2006 Used Peterbilt 378 Front Closing Crossmember

Newly Listed

$270 USD

Used 378 Front Closing Crossmember, W x H x L: 15.25"x7.25"x30.50"

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Stock Number	648-13228
MLS Number	14495114
Category	Crossmembers
Last Updated	7/21/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2006 Used Peterbilt 378 Engine Crossmember

Newly Listed

$250 USD

Used 378 Engine Crossmember, W x H x L: 4.50"x9.50"x27.00"

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Stock Number	648-13229
MLS Number	14495113
Category	Crossmembers
Last Updated	7/21/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2006 Used Peterbilt 378 Center Crossmember

Newly Listed

$361 USD

Used 378 Center Crossmember, W x H x L: 9.75"x8.50"x32.50"

Quantity	3
Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Stock Number	648-13230
MLS Number	14495112
Category	Crossmembers
Last Updated	7/21/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2006 Used Peterbilt 378 Center Crossmember

Newly Listed

$361 USD

Used 378 Center Crossmember, W x H x L: 9.75"x8.25"x32.75"

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Part Number	0147626002
Stock Number	648-13231
MLS Number	14495111
Category	Crossmembers
Last Updated	7/21/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(844) 574-___ SHOW
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2005 Peterbilt 378 Day Cab Truck

Newly Listed

Contact for price

Location: ISA WI Yard - Merrill, WI, Caterpillar C13 Turbo Diesel Engine, Eaton Fuller 13 Speed, 52000LB GVWR, 12000LB Front Axle GAWR, PTO, Full Lockers, 2 Line Wet Kit, Air Ride Suspension...

Condition	Used
Usage	33,438 Hours
Duty Class	Heavy Duty Day Cab Truck
Stock Number	105174
MLS Number	14494501
Category	Day Cab Semi Trucks
Last Updated	7/26/2026
Location	Merrill, WI, US
Sold By	Integrity Sales and Auction LLC

(833) 541-___ SHOW
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1994 Peterbilt 378 Salvage Truck

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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

$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

$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

$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

Contact for price

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

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

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.

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.

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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

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2006 Peterbilt 378 Right Door

$395 USD

RH DOOR ASSY PANEL IS BURNT, GOOD SHELL., Window Type: Other

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Side	RIGHT
Stock Number	11026-18
MLS Number	14424479
Category	Doors
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts