Peterbilt 378 Frame &amp; Chassis For Sale

Peterbilt 378 Left Bracket

$225 USD

01-49257L KNEE-ENGINE SPRT FRONT LH

Quantity	4
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Left
Stock Number	107733
MLS Number	13119279
Category	Brackets, Misc.
Last Updated	3/19/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

Peterbilt 378 Right Bracket

$205 USD

01-49257R KNEE-ENGINE SPRT FRONT RH

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	3/19/2026
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

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2007 Peterbilt 378 Right Battery Box Step

$150 USD

2007 Peterbilt 378 Battery Box Step, Right Side, Aluminum, Need Length, Need Width

Condition	Used
L x W	NA x NA
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	2541572
MLS Number	14220313
Category	Steps (Frame, Fuel Tank, Fairing)
Last Updated	3/3/2026
Location	Watseka, IL, US
Sold By	LKQ Heavy Truck

1995 Peterbilt 378 Frame Horn

$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.

Peterbilt 378 Right Bracket

$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

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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

(855) 300-___ SHOW
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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

2003 Peterbilt 378 Bracket

$120 USD

05-15216 BRACKET-AIR CLEANER 15" STAINLESS

Quantity	6
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	108101
MLS Number	13244662
Category	Brackets, Misc.
Last Updated	11/20/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

2008 Peterbilt 378 Right Bracket

$320 USD

29-02784M001 SUPPORT-SLPR RH HIGH MT*C CAST# 29-02784M000

Quantity	2
Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Side	Right
Stock Number	5251
MLS Number	13010281
Category	Brackets, Misc.
Last Updated	11/20/2025
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

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1988 Peterbilt 378 Frame

$300 USD

1988 Peterbilt 378 Aluminum Front Crossmember Motor Mount, P/N 05-15046.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	1511-19
MLS Number	13894237
Category	Frames
Last Updated	10/29/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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1988 Peterbilt 378 Fifth Wheel

$400 USD

Holland FW35 Air Slide Fifth Wheel, 33.5" Frame Width, 86.5" Rail, 52.5" Slide Base, 24" Slide Travel, 6.75" Deck Height, Driver Side Release. Top Plate P/N XA-351-A-L-P, S/N A00002539H

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	1511-12
MLS Number	13893134
Category	Fifth Wheels
Last Updated	10/29/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2006 Peterbilt 378 Deck Plate / Catwalk

$150 USD

(USED) Peterbilt 378 Length : 34 Type: Fixed Style: Grate Width : 21

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Stock Number	25795621
MLS Number	13575825
Category	Deck Plates / Catwalk
Last Updated	5/14/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

1998 Peterbilt 378 Frame Horn

$595 USD

(USED) Peterbilt 378 Ref# 02-01952 ALUMINUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Part Number	02-01952
Stock Number	25697710
MLS Number	13130548
Category	Frame Horns
Last Updated	11/23/2024
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

1998 Peterbilt 378 Frame Horn

$595 USD

(USED) Peterbilt 378 Ref# 02-01952 ALUMINUM

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Part Number	02-01952
Stock Number	25697709
MLS Number	13130547
Category	Frame Horns
Last Updated	11/23/2024
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(833) 541-___ SHOW
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2005 Peterbilt 378 Frame Horn

$695 USD

GOOD USED FRONT FRAME HORN/ SPRING HANGER BUMPER MOUNT, Material: Aluminum

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Part Number	02-02944L
Stock Number	101424-18
MLS Number	13212642
Category	Frame Horns
Last Updated	11/5/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 541-___ SHOW
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2005 Peterbilt 378 Frame Horn

$695 USD

GOOD USED PASSENGER FRONT SPRING HANGER/BUMPER MOUNT FRAME HORN, Material: Aluminum

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Part Number	02-02944R
Stock Number	101424-17
MLS Number	13212641
Category	Frame Horns
Last Updated	11/5/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 835-___ SHOW
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2005 Peterbilt 378 Crossmember

Contact for price

2005 Peterbilt 378 Crossmember For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere.

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Stock Number	PT-0625-33
MLS Number	11396425
Category	Crossmembers
Last Updated	10/9/2024
Location	York, ON, Canada
Sold By	Lomoca Inc.

Peterbilt 378 Bracket

$320 USD

29-02785M001 SUPPORT-SLPR LH HIGH MT*C CAST# 29-02785M000

Condition	Used
Side	Left
Stock Number	5250
MLS Number	13010280
Category	Brackets, Misc.
Last Updated	7/26/2024
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

Peterbilt 378 Bracket

$125 USD

BRACE-CAB CORNER STL RH 20-16129R

Condition	Used
Side	Right
Stock Number	102584
MLS Number	12765988
Category	Brackets, Misc.
Last Updated	4/10/2024
Location	Salt Lake City, UT, US
Sold By	Vriens Truck Parts

1998 Peterbilt 378 Frame Horn

$1,198.99 USD

(Used) 1998 Peterbilt 378, FRAME HORN- Part Number: 02-02516 L, Side: Driver Left Side, Location: Front Left, Associated Parts Supported: Hood, Material: Aluminum, Dimensions: L=24",...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Part Number	02-02516 L
Stock Number	P-54225
MLS Number	12197220
Category	Frame Horns
Last Updated	1/20/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Crossmember

Contact for price

(Used) 1998 Peterbilt 378, CROSSMEMBER- Location: Rear, Material: Aluminum, Dimensions: L=34", H=4", W=5.5", For more information about this item, give us a call. We ship Worldwide! (CRG...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-54221
MLS Number	12197216
Category	Crossmembers
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Crossmember

Contact for price

(Used) 1998 Peterbilt 378, CROSSMEMBER- Location: Rear, Material: Aluminum, Dimensions: L=34", H=4", W=5.5", For more information about this item, give us a call. We ship Worldwide! (CRG...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-54219
MLS Number	12197214
Category	Crossmembers
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Crossmember

Contact for price

(Used) 1998 Peterbilt 378, CROSSMEMBER- Location: Mid Front, Material: Aluminum, Dimensions: L=34", H=4", W=5.5", For more information about this item, give us a call. We ship Worldwide!...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-54216
MLS Number	12197211
Category	Crossmembers
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

1998 Peterbilt 378 Crossmember

Contact for price

(Used) 1998 Peterbilt 378, CROSSMEMBER- Location: Front, Material: Aluminum, Dimensions: L=34", H=4", W=5.5", For more information about this item, give us a call. We ship Worldwide! (CRG...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	P-54214
MLS Number	12197209
Category	Crossmembers
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts