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Peterbilt 378 Cooling & HVAC For Sale

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Truck Parts (75)
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Cooling & HVAC (75)
   A/C Compressors (1)    A/C Condensers (3)    Blower Motors (HVAC) (2)    Cooling Assemblies (Rad., Cond., ATAAC) (5)    Fan Blades (1)    Fan Clutches (1)    Heater / AC Climate Control Parts (12)    Intercoolers & Charge Air Coolers (10)    Intercoolers (1)    Radiator Frames (1)    Radiator Overflow Bottles / Surge Tanks (8)    Radiators (30)
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Peterbilt (75)
Model
378 (75)
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Showing 26 - 50 of 75 Listings

26 - 50 of 75 listings
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Peterbilt 378 Charge Air Cooler (ATAAC)

2006 Peterbilt 378 Charge Air Cooler (ATAAC)

$1,095 USD
GOOD USED COOLING PACK. WILL BE PRESSURE CHECKED., Core Charge: N/A, Engine Make: Cummins, Engine Model: ISX
ConditionUsed
Engine ModelCummins ISX
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2006
Stock Number42019-8
MLS Number9725446
CategoryIntercoolers & Charge Air Coolers
Last Updated5/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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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 Updated5/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Peterbilt 378 Charge Air Cooler (ATAAC)

2003 Peterbilt 378 Charge Air Cooler (ATAAC)

$1,095 USD
GOOD USED COOLING PACK ASSEMBLY. WILL BE PRESSURE CHECKED. INCLUDES CONDENSER AND RADIATOR, Core Charge: N/A, Engine Make: Caterpillar, Engine Model: C15
ConditionUsed
Engine ModelCaterpillar C15
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2003
Stock Number100618-11
MLS Number9526712
CategoryIntercoolers & Charge Air Coolers
Last Updated5/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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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 Updated5/14/2026
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 Updated5/14/2026
Location
Farr West, UT, US
Sold By
Rocky Mountain Truck Parts
(855) 980-___  SHOW
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Rocky Mountain Truck Parts
2006 Peterbilt 378 Mirror Control Module, Part # Q27-8017-002

2006 Peterbilt 378 Mirror Control Module, Part # Q27-8017-002

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2006 PETE 378 MIRROR CONTROL MODULE P/N Q27-8014-002
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2006
Part NumberQ27-8017-002
Stock Number2807-PETE-30
MLS Number13815261
CategoryHeater / AC Climate Control Parts
Last Updated5/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Peterbilt 378 Radiator Overflow Bottle / Surge Tank

2004 Peterbilt 378 Radiator Overflow Bottle / Surge Tank

$295 USD
(Used) 2004 Peterbilt 378, RADIATOR OVERFLOW BOTTLE- Engine: Caterpillar C15, Location: Passenger Side, Material: Metal, Dimensions: Width=14", Height=8", For more information about this...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Stock NumberP-39536
MLS Number11868617
CategoryRadiator Overflow Bottles / Surge Tanks
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 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 Updated6/13/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Used 2005 Peterbilt 378 Dashboard Panel with Support Core

Used 2005 Peterbilt 378 Dashboard Panel with Support Core

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2005 Peterbilt 378 Dashboard Panel with Support Core For Sale - Modules, Clusters, Wiring Harness and Steering Column sold separately - Used - May have some cosmetic blemishes (see photos)....
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2005
Stock NumberPT-0625-53
MLS Number11647906
CategoryHeater / AC Climate Control Parts
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
2004 Peterbilt 378 Heater / AC Climate Control Module, Part # 18-04461

2004 Peterbilt 378 Heater / AC Climate Control Module, Part # 18-04461

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2004 Peterbilt 378 Heater / AC Climate Control Module For Sale P/N 18-04461 - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2004
Part Number18-04461
Stock NumberPT-0653-49
MLS Number11654841
CategoryHeater / AC Climate Control Parts
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Used 2004 Peterbilt 378 Dash Panel

Used 2004 Peterbilt 378 Dash Panel

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2004 Peterbilt 378 Dash Panel 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)2004
Stock NumberPT-0653-52
MLS Number11654842
CategoryHeater / AC Climate Control Parts
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Peterbilt 378 Radiator Overflow Bottle / Surge Tank

2001 Peterbilt 378 Radiator Overflow Bottle / Surge Tank

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(Used) 2001 Peterbilt 378, COOLANT RESERVOIR/ RADIATOR OVERFLOW BOTTLE- Location: On Radiator, Material: Steel, Dimensions: L=24", H=12.5", For more information about this item, give us a...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)2001
Stock NumberP-72262
MLS Number12630655
CategoryRadiator Overflow Bottles / Surge Tanks
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 Radiator Frame

1998 Peterbilt 378 Radiator Frame

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Peterbilt 378 Radiator Mount - Used. Removed from a 1998 Peterbilt 378 truck, this radiator mount has been visually inspected to ensure part quality. Have questions about our Peterbilt 378...
ConditionUsed
Engine ModelCaterpillar 3406E
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1998
Stock NumberPT-0460-37
MLS Number9989747
CategoryRadiator Frames
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Used 2005 Peterbilt 378 Dashboard Gauge Cluster Panel

Used 2005 Peterbilt 378 Dashboard Gauge Cluster Panel

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2005 Peterbilt 378 Dashboard Gauge Cluster Panel 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-0625-6
MLS Number10682861
CategoryHeater / AC Climate Control Parts
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Peterbilt 378 Intercooler

1996 Peterbilt 378 Intercooler

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(Used) 1998 Peterbilt 378, INTERCOOLER- Price is for Intercooler ONLY- Picture is for display only, Engine: Detroit Series 60, Dimensions: L=33.5", H=31", Material: Aluminum, Less Radiator...
ConditionUsed
Engine ModelDetroit SERIES 60
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Stock NumberP-112382
MLS Number13868833
CategoryIntercoolers
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 Radiator Overflow Bottle / Surge Tank

1996 Peterbilt 378 Radiator Overflow Bottle / Surge Tank

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(Used) 1996 Peterbilt 378, RADIATOR OVERFLOW BOTTLE/COOLANT RESERVOIR- Location: On Radiator, Dimensions: L=24", H=12.5", Material: Steel, Reference images for condition, For more...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Will Fit Year(s)1996
Stock NumberP-112384
MLS Number13868835
CategoryRadiator Overflow Bottles / Surge Tanks
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 Cooling Assembly

1995 Peterbilt 378 Cooling Assembly

$1,270 USD
(USED) Peterbilt 378 Rad#: N/A ATA#: 05-18731 Condenser#: N/A Engine: CUMMINS N14 CELECT+ Ref# N/A COOLING ASSEMBLY, INCLUDES RADIATOR, CHARGE AIR COOLER, AC CONDENSER, INCLUDES OVERFLOW...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)378
Part NumberN/A
Stock Number25737955
MLS Number13312612
CategoryCooling Assemblies (Rad., Cond., ATAAC)
Last Updated4/17/2026
Location
Sioux Falls, SD, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
NUMBERCall Seller
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Vander Haag's Inc.
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