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Peterbilt 378 Radiators For Sale

Shop new and used Peterbilt 378 Radiators on MyLittleSalesman.com . Compare active listings with prices from $135 to $1,095. Sellers include Vriens Truck Parts, Garabedian Equipment, CRG Heavy Truck Parts, and more. Filter by condition, price, or year to find the Peterbilt 378 Radiator that fits your job.
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Radiators (32)
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378 (32)
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Showing 1 - 25 of 32 Radiator Listings

1 - 25 of 32 listings
1 - 25 of 32 listings
Peterbilt 378 Radiator

1996 Peterbilt 378 Radiator

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(Used) 1996 Peterbilt 378, RADIATOR- Price is for Radiator ONLY- Picture is for display only, Engine: Detroit Series 60, Dimensions: L=37", H=36", Material: Aluminum, Less Condenser and...
ConditionUsed
Engine ModelDetroit SERIES 60
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Stock NumberP-112381
MLS Number13868832
CategoryRadiators
Last Updated10/5/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Peterbilt 378 Radiator

2006 Peterbilt 378 Radiator

$565 USD
S21K0056 - Used Radiator Assembly off of a 2006 Peterbilt 378, Engine - Cummins ISX, Material - All Metal, Row - 3, Height 36 1/4 Inches, Width 33 1/4 Inches, Depth 2 Inches,...
ConditionUsed
Engine ModelCummins ISX
Fits To Make(s)PETERBILT
Fits To Model(s)378
Stock Number2131249
MLS Number11330825
CategoryRadiators
Last Updated8/23/2025
Location
Spokane Valley, WA, US
Sold By
LKQ Heavy Truck
(855) 905-___  SHOW
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LKQ Heavy Truck
Peterbilt 378 Radiator

2004 Peterbilt 378 Radiator

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2004 Peterbilt 378 Radiator Assembly / Cooling Pack For Sale - Complete with radiator, CAC, AC condenser and Shroud - Used - May have some cosmetic blemishes (see photos). Give us a shout by...
ConditionUsed
Engine ModelCaterpillar C15
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberPT-0653-35
MLS Number10923033
CategoryRadiators
Last Updated10/9/2024
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Peterbilt 378 Radiator

2005 Peterbilt 378 Radiator

$895 USD
GOOD USED TAKEOUT/ PRESSURE CHECKED RADIATOR ASSEMBLY/ NO RADIATOR CAP/ FIREWALL MOUNTED RESERVOIR, Engine Make: Caterpillar, Engine Model: C15, With Frame: true
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2005
Part Number239298
Stock Number60224-7
MLS Number12918614
CategoryRadiators
Last Updated6/7/2024
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Peterbilt 378 Radiator

2004 Peterbilt 378 Radiator

$995 USD
GOOD USED RADIATOR ASSEMBLY. WILL PRESSURE CHECK. 90 DAY WARRANTY 378/379 RESERVIOR ON TOP, Engine Make: Caterpillar, Engine Model: C15, Material: COPPER BRASS
ConditionUsed
Engine ModelCaterpillar C15
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Part Number239208
Stock Number122622-13
MLS Number11809831
CategoryRadiators
Last Updated12/18/2023
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Peterbilt 378 Radiator

2003 Peterbilt 378 Radiator

$895 USD
GOOD USED RADIATOR ASSEMBLY, WILL PRESSURE CHECK. 90 DAY WARRANTY, Dimensions: NA, Engine Make: Caterpillar, Engine Model: C12, Material: COPPER/BRASS
ConditionUsed
Engine ModelCaterpillar C12
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2003
Part Number239208
Stock Number42022-13
MLS Number11363117
CategoryRadiators
Last Updated12/18/2023
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Peterbilt 378 Radiator

2003 Peterbilt 378 Radiator

$1,095 USD
GOOD USED COOLING PACK ASSEMBLY. WILL BE PRESSURE CHECKED. INCLUDES AIR COOLER AND CONDENSER, Dimensions: N/A, Engine Make: Caterpillar, Engine Model: C15, Fill Location: N/A
ConditionUsed
Engine ModelCaterpillar C15
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2003
Stock Number100618-16
MLS Number9526717
CategoryRadiators
Last Updated12/17/2023
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Peterbilt 378 Radiator

2002 Peterbilt 378 Radiator

$995 USD
GOOD USED COOLPAK. WILL BE PRESSURE CHECKED. INCLUDES AIR COOLER AND CONDENSER. WAS IN FIRE, CHECK FOR DAMAGE, Dimensions: GET, Engine Make: Caterpillar, Engine Model: C15, Fill Location:...
ConditionUsed
Engine ModelCaterpillar C15
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2002
Stock Number81817-8
MLS Number9194094
CategoryRadiators
Last Updated12/17/2023
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Peterbilt 378 Radiator

1987 Peterbilt 378 Radiator

$1,095 USD
GOOD USED RADIATOR ASSEMBLY. LOW FLOW/ WILL PRESSURE CHECK. 90 DAY WARRANTY, Dimensions: GET, Engine Make: Cummins, Engine Model: 444
ConditionUsed
Engine ModelCummins 444
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1987
Part NumberNA
Stock Number32722-13
MLS Number11293327
CategoryRadiators
Last Updated5/19/2023
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Peterbilt 378 Radiator for a 1999 Peterbilt 378 SBA

Peterbilt 378 Radiator for a 1999 Peterbilt 378 SBA

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GOOD RADIATOR SET. OUT OF A RUNNING AND DRIVING TRUCK., Engine Make: Caterpillar, Engine Model: C12
ConditionUsed
Engine ModelCaterpillar C12
Fits To Make(s)Peterbilt
Fits To Model(s)378 SBA
Will Fit Year(s)1999
Stock Number515187-13
MLS Number10468600
CategoryRadiators
Last Updated5/11/2023
Location
Farr West, UT, US
Sold By
Rocky Mountain Truck Parts
(855) 980-___  SHOW
NUMBERCall Seller
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Rocky Mountain Truck Parts
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