Peterbilt 378 Truck Parts For Sale in United States

2005 Peterbilt 378 Fuel Tank

$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.

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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.

1991 Peterbilt 378 Instrument Panel Cluster

$300 USD

(USED) Peterbilt 378 Gauges: 7 Engine: CUMMINS N14 M Part#: - RPM, FUEL, MPH, ENGINE OIL TEMP, OIL PSI, AIR PSI, AIR FILTER RESTRICTION GUAGE, DOES NOT INCLUDE WARNING BAR

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25434237
MLS Number	12076163
Category	Instrument Panel Clusters
Last Updated	3/13/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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Peterbilt 378 Red Hood

$950 USD

RED,

Condition	Used
Stock Number	HOOD-1108
MLS Number	12180024
Category	Hoods
Last Updated	3/22/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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Peterbilt 378 Right Front Step-Fender, Part # L82-6004R-P 15-06245R

$285 USD

PETERBILT 378 STEP-FENDER FRONT POL L82-6004R-P 15-06245R,

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	101834
MLS Number	12267699
Category	Hood Parts
Last Updated	3/18/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

1995 Peterbilt 378 Door Mirror

$345 USD

(USED) Peterbilt 378 Material: STAINLESS Power: NO Heated: YES

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25738136
MLS Number	13315430
Category	Door Mirrors
Last Updated	3/5/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

1997 Peterbilt 378 Door Mirror

$345 USD

(USED) Peterbilt 378 Material: STAINLESS Power: NO Heated: YES

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25708942
MLS Number	13193575
Category	Door Mirrors
Last Updated	2/26/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

1995 Peterbilt 378 Front Bumper

$481 USD

(USED) Peterbilt 378 Type: 1 PIECE SBA/SFA: SBA Material: STAINLESS STEEL Lights: YES CRACK UNDER LH FOG LIGHT, DENT ON TOP OF LH CENTER EDGE OF BUMPER

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25737942
MLS Number	13312613
Category	Bumpers, Front
Last Updated	2/25/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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1998 Peterbilt 378 Complete Hood Assembly, Part # 13-04674A101

$1,500 USD

COMPLETE HOOD DRIVER SIDE FENDER DAMAGED, GREAT SHELL FOR REPAIR, ASSEMBLY PART NUMBER: 13-04674A101

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	19787
MLS Number	14009135
Category	Hoods
Last Updated	3/23/2026
Location	Enfield, CT, US
Sold By	Camerota 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	7
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	102664
MLS Number	12770192
Category	Hood Parts
Last Updated	3/18/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

1996 Used Peterbilt 378 Exhaust Tip

$150 USD

Used 378 Exhaust Tip, Side: N/A, Style: N/A, Type: Exhaust Stack, Length: 24.25", Width: 9.00"

Condition	Used
L x W	24.25" x 9.00"
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Side	N/A
Stock Number	639-11843
MLS Number	14148519
Category	Exhaust Parts
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2007 Used Peterbilt 378 SET, Mud Flap Hangers

$95 USD

Used 378 SET, Mud Flap Hangers, Dimensions: 7.00"x27.50", Side: Set, Type: J-Type

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2007
Side	Set
Stock Number	727-10620
MLS Number	14005184
Category	Mud Flap Hangers
Last Updated	3/21/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2007 Used Peterbilt 378 RH Exhaust Stack

$850 USD

Used 378 RH Exhaust Stack, Side: Passenger, Style: N/A, Type: Exhaust Stack, Length: 120.00", Width: -

Condition	Used
L x W	120.00" x -
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2007
Side	Passenger
Stock Number	639-11793
MLS Number	14005181
Category	Exhaust Parts
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2007 Used Peterbilt 378 LH Exhaust Stack

$850 USD

Used 378 LH Exhaust Stack, Side: Driver, Style: N/A, Type: Exhaust Stack, Length: 122.00", Width: 8.00"

Condition	Used
L x W	122.00" x 8.00"
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2007
Side	Driver
Stock Number	639-11792
MLS Number	14005180
Category	Exhaust Parts
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2007 Used Peterbilt 378 Fifth Wheel Crossmember

$361 USD

Used 378 Fifth Wheel Crossmember, W x H x L: 13.25"x9.50"x33.25"

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2007
Stock Number	648-12855
MLS Number	13984104
Category	Crossmembers
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2007 Used Peterbilt 378 Tool Box

$395 USD

Used 378 Tool Box, Side: Passenger, Width: 29.50", Height: 13.25", Material: Aluminum, Steps: Yes, Latch/Strap: N/A

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2007
Side	Passenger
Stock Number	693-10341
MLS Number	13984103
Category	Tool Boxes
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2007 Used Peterbilt 378 Hood

$2,260 USD

Used 378 Hood, Color: White/Blue, Centerline: 61.00"

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2007
Part Number	1304821
Stock Number	612-14952
MLS Number	14044533
Category	Hoods
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Peterbilt 378 Hood Hinge

$150 USD

Used 378 Hood Hinge, Side: Passenger

Condition	Used
Side	Passenger
Part Number	1304708R
Stock Number	674-10394
MLS Number	13230510
Category	Hood Hinges
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2005 Used Peterbilt 378 RH Exhaust Stack Bracket

$135 USD

Used 378 RH Exhaust Stack Bracket, Side: Passenger, Type: Exhaust Stack Bracket, Length: 7.50", Width: 9.00"

Condition	Used
L x W	7.50" x 9.00"
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Side	Passenger
Part Number	1415638R
Stock Number	639-10636
MLS Number	10749402
Category	Exhaust Parts
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2005 Used Peterbilt 378 RH Sleeper Door

$162 USD

Used 378 RH Sleeper Door, Side: Passenger, Color: White

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Side	Passenger
Stock Number	667-10383
MLS Number	10753112
Category	Sleeper Doors
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts