Peterbilt 378 For Sale

(844) 624-___ SHOW
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2003 Peterbilt 378 Day Cab Truck - Caterpillar 450HP, 13 Speed Manual

Recently Updated

$74,950 USD

Classic work horse with a two line wet kit!, -Low mile CAT6NZ 450HP, -13 Speed manual, -Chalmers walking beam suspension, -210" Wheelbase, -Headache rack, We have financing options available...

Condition	Used
Usage	130,147 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	13 Speed Manual
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	COWS11243
MLS Number	14244582
Category	Day Cab Semi Trucks
Last Updated	4/2/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(855) 905-___ SHOW
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2001 Peterbilt 378 Right Hood Bracket

Recently Updated

$50 USD

HOOD GUIDE

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	2540964
MLS Number	14184369
Category	Hood Brackets
Last Updated	4/2/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

(855) 905-___ SHOW
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2001 Peterbilt 378 Left Hood Bracket

Recently Updated

$50 USD

HOOD GUIDE

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Left
Stock Number	2540963
MLS Number	14184368
Category	Hood Brackets
Last Updated	4/2/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

(844) 624-___ SHOW
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2003 Peterbilt 378 Day Cab Truck - Caterpillar 450HP, 13 Speed Manual

Recently Updated

$74,950 USD

Classic work horse with a two line wet kit!, -Low mile CAT6NZ 450HP, -13 Speed manual, -Chalmers walking beam suspension, -210" Wheelbase, -Headache rack, We have financing options available...

Condition	Used
Usage	5,987 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	13 Speed Manual
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	COWS11243
MLS Number	14244580
Category	Day Cab Semi Trucks
Last Updated	4/1/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(866) 695-___ SHOW
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2007 Peterbilt 378 Sleeper Semi Truck - Cummins 485HP

Recently Updated

$75,000 USD

130955 Miles, Engine: CUMMINS ISX, 485 HP, Fuel Type: Diesel, Drive: 6x4, Air Trac Suspension, Sleeper Size: 36, Tandem Rear Axles

Condition	Used
Usage	130,955 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	8LL
Sleeper Size	36"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	3.55 ratio
Stock Number	MCO656239
MLS Number	14160276
Category	Sleeper Semi Trucks
Last Updated	4/1/2026
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

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2006 Peterbilt 378 Day Cab Truck - Cummins 485HP

Recently Updated

$65,000 USD

99759 Miles, 6119 Hours, Engine: CUMMINS ISX, 485 HP, Fuel Type: Diesel, Drive: 6x4, Air Trac Suspension, Wheel Base: 230, Tandem Rear Axles, Rear Axle Weight: 46000 lb

Condition	Used
Usage	6,119 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	485 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	18 Speed
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	MCO645601
MLS Number	13811581
Category	Day Cab Semi Trucks
Last Updated	4/1/2026
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

(855) 650-___ SHOW
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2007 Peterbilt 378 with Cat C15 BXS

Newly Listed

At auction Mar. 31

Lot Number	24601-635-2
Condition	Used
Usage	1,050,779 Miles
MLS Number	14274985
Category	Day Cab Semi Trucks
Last Updated	3/31/2026
Location	Columbiana, AL, US
Listed By	AllSurplus

1990 Peterbilt 378 Left Fender Extension

Recently Updated

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Passenger Side Fender Extension For 1990 Peterbilt 378.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Driver
Stock Number	4316-11
MLS Number	14037050
Category	Fender Extensions
Last Updated	3/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1990 Peterbilt 378 Left Fender Extension

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Driver Side Fender Extension For 1990 Peterbilt 378.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Driver
Stock Number	4316-10
MLS Number	14037047
Category	Fender Extensions
Last Updated	3/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1990 Peterbilt 378 Left Fuel Tank

Recently Updated

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Driver Side Fuel Tank, 67"L x 26"D, 150 Gallon Capacity, Straps And Brackets Included.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Driver
Capacity	150
Stock Number	4316-9
MLS Number	14037044
Category	Fuel Tanks (Truck)
Last Updated	3/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1990 Peterbilt 378 Complete Hood 55"L

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1990 Peterbilt 378 Hood Complete, 55"L, Broken Passenger Headlamp.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	4316-12
MLS Number	14037052
Category	Hoods
Last Updated	3/27/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

1990 Peterbilt 378 Tool Box

Recently Updated

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Passenger Side Tool Box, 24"L x 20"W x 22"H.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	4316-8
MLS Number	14037040
Category	Tool Boxes
Last Updated	3/27/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 370-___ SHOW
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2005 Peterbilt 378 Fuel Tank

Price Drop $760 USD

(USED) Peterbilt 378 Gallons: 100 Length: 51 Width/Dia: 26 Height: 26 100 GALLON ALUMINUM TANK ONLY 23" FTF

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25719159
MLS Number	13251598
Category	Fuel Tanks (Truck)
Last Updated	3/27/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(801) 478-___ SHOW
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Peterbilt 378 Suspension Crossmember / K-Frame

$450 USD

01-51526-002 CROSSMEMBER-AL MIDSHIP/CAB MTG, MULTIPLE COLORS, SHIP EASIEST TO GRAB

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	99438
MLS Number	12105213
Category	Suspension Crossmembers / K-Frames
Last Updated	3/26/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

2006 Peterbilt 378 Right Fuel Tank

$800 USD

100 GALLON

Condition	Used
L x W	64 x 23
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	12478
MLS Number	14268891
Category	Fuel Tanks (Truck)
Last Updated	3/31/2026
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

2006 Peterbilt 378 Left Battery Box

$450 USD

UNDER LEFT DOOR WITH LID

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Left
Stock Number	12474
MLS Number	14268887
Category	Battery Boxes / Trays
Last Updated	3/31/2026
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

2006 Peterbilt 378 Air Tank

$175 USD

ALUMINUM ON BATTERY BOX

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	12468
MLS Number	14268881
Category	Air Tanks
Last Updated	3/31/2026
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

2006 Peterbilt 378 Left Fuel Tank

$800 USD

100 GALLON

Condition	Used
L x W	64 x 23
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Left
Stock Number	12467
MLS Number	14268880
Category	Fuel Tanks (Truck)
Last Updated	3/31/2026
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

(844) 909-___ SHOW
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1998 Peterbilt 378 Day Cab Truck - Detroit, 18 Speed Manual

Price Drop $30,000 USD

1998 Peterbilt 378, Detroit 60s Motor, 13 Speed Manual Transmission, 795,000 Original Miles, Diff Lock, Sliding Fifth Wheel with End Dump Pin, 3.70 Rear Ends, New Differentials, End Dump is...

Condition	Used
Usage	795,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Transmission	13 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	13951104
Category	Day Cab Semi Trucks
Last Updated	3/28/2026
Location	Paul, ID, US
Sold By	BTR Sales

(844) 253-___ SHOW
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1999 Peterbilt 378 T/A Truck Tractor

At auction Apr. 1

1999 Peterbilt 378 T/A Truck Tractor, 1,706,474 miles Showing, Title Will Be Marked Miles Exempt, 6-Cyl Turbo Diesel Engine, 13 Speed Transmission, 285/75R24.5 Tires on Aluminum Wheels,...

Condition	Used
Stock Number	KD8924
MLS Number	14267331
Category	Sleeper Semi Trucks
Last Updated	3/26/2026
Location	Mcpherson, KS, US
Listed By	BigIron Auctions

(844) 253-___ SHOW
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1997 Peterbilt 378 T/A Truck Tractor

At auction Mar. 25

1997 Peterbilt 378 T/A Truck Tractor, 809,188 miles Showing, Title Will Be Marked Miles Exempt, Detroit Series 60 Turbo Diesel Engine, Eaton Fuller 10-Speed Transmission, Air Ride, Air...

Condition	Used
Stock Number	IN5471
MLS Number	14267229
Category	Day Cab Semi Trucks
Last Updated	3/26/2026
Location	Foosland, IL, US
Listed By	BigIron Auctions

(855) 790-___ SHOW
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2002 Peterbilt 378 Semi Truck

At auction Apr. 30

2002 Peterbilt 378 semi truck, Miles: 668,909 on odometer, VIN: 1XPFDB9X42N574342, Engine, Caterpillar C15, Displacement: 15.2L, Cylinders: 6, Fuel type: Diesel, Engine brake, Transmission...

Condition	Used
Stock Number	ES8714
MLS Number	14266845
Category	Sleeper Semi Trucks
Last Updated	3/26/2026
Location	Hooks, TX, US
Listed By	Purple Wave Auction

(833) 541-___ SHOW
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1995 Peterbilt 378 Headlight Assembly

$350 USD

GOOD USED RH HEADLAMP ASSY OFF 1995 PETERBILT 378

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1995
Stock Number	31926-15
MLS Number	14264210
Category	Headlight Assemblies
Last Updated	3/25/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Used 1995 Peterbilt 378 Grille Insert Assembly

$350 USD

GOOD USED GRILLE INSERT ASSY, OUTER PIECE IS BAD.

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1995
Stock Number	31926-21
MLS Number	14264209
Category	Grilles
Last Updated	3/26/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts