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Peterbilt 378 Frame & Chassis For Sale

Browse Peterbilt 378 Frame & Chassis for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 34 listings. Peterbilt 378 pricing ranges from $120 to $1,199 based on recent marketplace data. Filter by condition, price, or year to find the right Peterbilt 378.
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Frame & Chassis (34)
   Brackets, Misc. (7)    Crossmembers (13)    Deck Plates / Catwalk (3)    Frame Horns (11)
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Peterbilt (34)
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378 (34)
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Used (34)
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Showing 1 - 25 of 34 Listings

1 - 25 of 34 listings
1 - 25 of 34 listings
Peterbilt 378 Frame Horn

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",...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Part Number02-02516 L
Stock NumberP-54225
MLS Number12197220
CategoryFrame Horns
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Crossmember

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.
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2005
Stock NumberPT-0625-33
MLS Number11396425
CategoryCrossmembers
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Peterbilt 378 Crossmember

1998 Peterbilt 378 Crossmember

Contact for price
(Used) 1998 Peterbilt 378, FRAME RAILS- Side: Driver Left Side, Material: Aluminum, Length: 21' 6", Height: 10 1/2", Width: 3 1/2", For more information about this item, give us a call. We...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-54207
MLS Number12197202
CategoryCrossmembers
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Peterbilt 378 Crossmember

1998 Peterbilt 378 Crossmember

Contact for price
(Used) 1998 Peterbilt 378, FRAME RAILS- Side: Passenger Right Side, Material: Aluminum, Length: 21' 6", Height: 10 1/2", Width: 3 1/2", For more information about this item, give us a call...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-54210
MLS Number12197205
CategoryCrossmembers
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Peterbilt 378 Crossmember

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-54214
MLS Number12197209
CategoryCrossmembers
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Peterbilt 378 Crossmember

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!...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-54216
MLS Number12197211
CategoryCrossmembers
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
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CRG Heavy Truck Parts
Peterbilt 378 Crossmember

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-54219
MLS Number12197214
CategoryCrossmembers
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
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CRG Heavy Truck Parts
Peterbilt 378 Crossmember

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...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberP-54221
MLS Number12197216
CategoryCrossmembers
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
Email Seller
Save
CRG Heavy Truck Parts
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