Peterbilt 378 For Sale

1996 Used Peterbilt 378 Fuel Tank Step

Newly Listed

$275 USD

Used 378 Fuel Tank Step, Length: 30.75", Width: 16.25"

Condition	Used
L x W	30.75" x 16.25"
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Part Number	1102437
Stock Number	723-10806
MLS Number	14166294
Category	Steps (Frame, Fuel Tank, Fairing)
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Peterbilt 378 Radiator Shroud

Recently Updated

$78.10 USD

1995-2004 PETERBILT 379/357/377/378 FIBERGLASS FAN SURROUND, WHITE, 35 1/2" WIDE.

Quantity	2
Condition	New
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	RFV PT0141
MLS Number	10841734
Category	Radiator Shrouds
Last Updated	2/26/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

1997 Peterbilt 378 Door Mirror

Price Drop $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.

(844) 909-___ SHOW
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2002 Peterbilt 378 Day Cab Truck - Cummins 525HP, 18 Speed Manual

Newly Listed

$40,000 USD

2002 Peterbilt 378, 541K Odometer and ECM, Cummins N14 525E, 525 HP, 18 Spd, Full Lockers, 12K Front Axle, 44K Rear Axle, Air Trac, Heat AC, Engine Brakes, Cruise Control, Wet Kit, Wired...

Condition	Used
Usage	541,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	525 HP
Engine Model	Cummins N14
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	44,000 lb
MLS Number	14162211
Category	Day Cab Semi Trucks
Last Updated	2/25/2026
Location	Paul, ID, US
Sold By	BTR Sales

(844) 670-___ SHOW
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2005 Peterbilt 378 Logging Truck

Recently Updated

$29,500 USD

CAT C15 @ 435h.p., 13 spd. trans., full lockers, sliding 5th wheel, 198" w.b., 3 line wet kit, 12kfront/ 36krear, Peterbilt air ride, air ride cab, jake/cruise/ac, 1/4 fenders, 11R22.5...

Condition	Used
Duty Class	Heavy Duty Logging Truck
MLS Number	13762898
Category	Logging Trucks
Last Updated	2/25/2026
Location	Three Lakes, WI, US
Sold By	Three Lakes Truck and Equipment

1995 Peterbilt 378 Front Bumper

Price Drop $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.

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

Newly Listed

Contact for price

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	2/24/2026
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

(844) 882-___ SHOW
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Used Passenger Side Door Assembly For Peterbilt 378

Recently Updated

$400 USD

USED PASSENGER SIDE DOOR ASSEMBLY FOR PETERBILT 378., Core Charge: 0.00

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	RIGHT
Stock Number	8113
MLS Number	10267221
Category	Doors
Last Updated	2/24/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

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

Recently Updated

$950 USD

01-46370M003 CROSSMEMBER-RADIATOR, NO HOOK OR STABILIZER BARS, BLASTED, ZINC PRIMED, POWDER COATED BLACK

Quantity	4
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	99191
MLS Number	12142655
Category	Suspension Crossmembers / K-Frames
Last Updated	2/23/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

1995 Peterbilt 378 Frame Horn

Recently Updated

$445 USD

(USED) Peterbilt 378 Ref# 02-01952

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Part Number	02-01952
Stock Number	25738095
MLS Number	13315441
Category	Frame Horns
Last Updated	2/25/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(801) 478-___ SHOW
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Peterbilt 378 Hood Part

Recently Updated

$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	2/21/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

(801) 478-___ SHOW
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Peterbilt 378 Right Bracket

Price Drop $800 USD

02-02944M001R BRACKET-FRONT SPRING DRIVE ALUM, CAST# 02-01952M000, MU;TIPLE COLORS

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	6108
MLS Number	13176766
Category	Brackets, Misc.
Last Updated	2/18/2026
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	2/18/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1995 Peterbilt 378 Frame

$650 USD

FRONT TOW ASSEMBLY WITH SPRING HANGERS AND RADIATOR SUPPORT, NO MOTOR MOUNT

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	2531378
MLS Number	14040623
Category	Frames
Last Updated	2/13/2026
Location	Portland, OR, US
Sold By	LKQ Heavy Truck

1995 Peterbilt 378 Fuel Tank

$760 USD

(USED) Peterbilt 378 Gallons: 100 Length: 48 Width/Dia: 26 Height: 26 TANK ONLY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25738181
MLS Number	13315417
Category	Fuel Tanks (Truck)
Last Updated	2/19/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

1995 Peterbilt 378 Fuel Tank

$760 USD

(USED) Peterbilt 378 Gallons: 100 Length: 48 Width/Dia: 26 Height: 26 TANK ONLY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25738139
MLS Number	13315427
Category	Fuel Tanks (Truck)
Last Updated	2/19/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 750-___ SHOW
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2005 Peterbilt 378 Front Axle Assembly

$1,800 USD

BEAM 1201TB104-8

Condition	Used
Suspension	Spring
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	14075
MLS Number	10896030
Category	Axle Assemblies, Front
Last Updated	2/11/2026
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

2006 Peterbilt 378 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	2/11/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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

$32,000 USD

1998 Peterbilt 378, Detroit 60s Motor, 18 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	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	13951104
Category	Day Cab Semi Trucks
Last Updated	2/6/2026
Location	Paul, ID, US
Sold By	BTR Sales

1996 Used Peterbilt 378 Battery Box

$375 USD

Used 378 Battery Box, Side: Driver, Tray Material: Aluminum, Battery Capacity: 4, Width: 29.50", Height: 13.50", Steps: Yes, Latch/Strap: N/A

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Side	Driver
Stock Number	600-12563
MLS Number	14117470
Category	Battery Boxes / Trays
Last Updated	1/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

1996 Used Peterbilt 378 Instrument Cluster

$900 USD

Used 378 Instrument Cluster

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Stock Number	714-11437
MLS Number	14117469
Category	Instrument Panel Clusters
Last Updated	1/30/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Peterbilt 378 Bumper Guard

$96.10 USD

1987-2004 PETERBILT 357/378 SETBACK AXLE FRONT BUMPER TOP PLATES. ALUMINUM DIAMOND PLATE, SOLD IN PAIRS

Condition	New
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	VAC HG-VP-AD
MLS Number	14116155
Category	Bumper Guards
Last Updated	1/29/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

Peterbilt Exterior Sun Visor for a Peterbilt 378

$235.10 USD

2004 PETERBILT ULTR/FLAT TOP DOOR MIRS BLIND MNT DARWIN BOWTIE VISOR

Condition	New
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	RDW 35583
MLS Number	11331942
Category	Sun Visors (Exterior)
Last Updated	1/27/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck

Peterbilt 378 Exterior Sun Visor

$504.35 USD

PETRBILT 2005+ ULTRA/FLAT TOP WITH CAB MIRRORS 10.5IN BLIND MOUNT DARWIN BOWTIE VISOR FOR 2-PIECE FLAT WINDSHIELDS

Quantity	2
Condition	New
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	RDW 35582
MLS Number	11457872
Category	Sun Visors (Exterior)
Last Updated	1/27/2026
Location	Henderson, CO, US
Sold By	LKQ Heavy Truck