Peterbilt 378 Heavy Equipment Parts For Sale

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1988 Peterbilt 378 Radiator

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Radiator for 1988 Peterbilt 378 with Cummins Big Cam 4 Engine

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	1511-11
MLS Number	13893133
Category	Radiators
Last Updated	12/16/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(844) 402-___ SHOW
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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...

Condition	Used
Engine Model	Detroit SERIES 60
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1996
Stock Number	P-112381
MLS Number	13868832
Category	Radiators
Last Updated	10/5/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(855) 624-___ SHOW
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2006 Peterbilt 378 Heater / AC Temp Control

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2006 PETE 378 MIRROR CONTROL MODULE P/N Q27-8014-002

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2006
Part Number	Q27-8017-002
Stock Number	2807-PETE-30
MLS Number	13815261
Category	Heater / AC Climate Control Parts
Last Updated	9/17/2025
Location	STURGEON COUNTY, AB, Canada
Sold By	Badger Truck Parts Ltd.

(855) 905-___ SHOW
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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,...

Condition	Used
Engine Model	Cummins ISX
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	2131249
MLS Number	11330825
Category	Radiators
Last Updated	8/23/2025
Location	Spokane Valley, WA, US
Sold By	LKQ Heavy Truck

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2000 Peterbilt 378 Heater / AC Temp Control

$300 USD

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	2541058
MLS Number	13719839
Category	Heater / AC Climate Control Parts
Last Updated	7/24/2025
Location	Tampa, FL, US
Sold By	LKQ Heavy Truck

2002 Peterbilt 378 Heater / AC Temp Control

$450 USD

USED HEATER CONTROL ASSY OFF 2002 PETE 378 PART # 806-0146-000

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2002
Part Number	806-0146-000
Stock Number	51425-13
MLS Number	13614147
Category	Heater / AC Climate Control Parts
Last Updated	5/30/2025
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2005 Peterbilt 378 Heater / AC Temp Control

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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)....

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Stock Number	PT-0625-53
MLS Number	11647906
Category	Heater / AC Climate Control Parts
Last Updated	10/9/2024
Location	York, ON, Canada
Sold By	Lomoca Inc.

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...

Condition	Used
Engine Model	Caterpillar C15
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	PT-0653-35
MLS Number	10923033
Category	Radiators
Last Updated	10/9/2024
Location	York, ON, Canada
Sold By	Lomoca Inc.

2004 Peterbilt 378 Engine Mount

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Caterpillar C15 Front Engine Mount For Sale P/N - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Air/Hydraulic:...

Condition	Used
Engine Model	Caterpillar C15
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	PT-0653-32
MLS Number	10908021
Category	Engine Mounts
Last Updated	10/9/2024
Location	York, ON, Canada
Sold By	Lomoca Inc.

2005 Peterbilt 378 Heater / AC Temp Control

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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.

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Stock Number	PT-0625-6
MLS Number	10682861
Category	Heater / AC Climate Control Parts
Last Updated	10/9/2024
Location	York, ON, Canada
Sold By	Lomoca Inc.

2004 Peterbilt 378 Heater / AC Temp Control

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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.

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Stock Number	PT-0653-52
MLS Number	11654842
Category	Heater / AC Climate Control Parts
Last Updated	10/8/2024
Location	York, ON, Canada
Sold By	Lomoca Inc.

2004 Peterbilt 378 Heater / AC Temp Control

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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...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Part Number	18-04461
Stock Number	PT-0653-49
MLS Number	11654841
Category	Heater / AC Climate Control Parts
Last Updated	10/8/2024
Location	York, ON, Canada
Sold By	Lomoca Inc.

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Part Number	239298
Stock Number	60224-7
MLS Number	12918614
Category	Radiators
Last Updated	6/7/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2005 Peterbilt 378 Charge Air Cooler (ATAAC)

$300 USD

GOOD USED PRESSURE CHECKED COOLER. INTERCOOLER, Engine Make: Caterpillar, Engine Model: C15

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Part Number	222101
Stock Number	60224-2
MLS Number	12918609
Category	Charge Air Coolers (ATAAC)
Last Updated	6/7/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

1999 Peterbilt 378 Radiator

$1,095 USD

USED COOLING PACK, N14 ENGINE, WILL PRESSURE CHECK, 90 DAY WARRANTY, Engine Make: Cummins, Engine Model: N14, With Frame: true

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1999
Stock Number	52724-14
MLS Number	12918567
Category	Radiators
Last Updated	6/7/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

1998 Peterbilt 378 Radiator

$895 USD

USED COOLING PACK 3406E, WILL PRESSURE CHECK, 90 DAY WARRANTY, Engine Make: Caterpillar, Engine Model: 3406E, With Frame: true

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	1998
Stock Number	52624-13
MLS Number	12894491
Category	Radiators
Last Updated	5/25/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 359-___ SHOW
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2002 Peterbilt 378 Radiator

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USED PETERBILT 378 RADIATOR

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	T3829
MLS Number	12828741
Category	Radiators
Last Updated	5/2/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
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2002 Peterbilt 378 Charge Air Cooler (ATAAC)

$450 USD

USED PETERBILT 378 CHARGE AIR COOLER REPAIRED.

Condition	Used
Fits To Make(s)	PETERBILT
Fits To Model(s)	378
Stock Number	T3828
MLS Number	12828740
Category	Charge Air Coolers (ATAAC)
Last Updated	5/2/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2001 Peterbilt 378 Engine Mount

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Peterbilt 378 Engine Mount - Used - Removed from a 2001 Peterbilt 378 truck, this engine mount has been visually inspected to ensure part quality. Have questions about our Peterbilt 378...

Condition	Used
Engine Model	Caterpillar C15
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2001
Stock Number	PT-0644-33
MLS Number	12034105
Category	Engine Mounts
Last Updated	12/18/2023
Location	York, ON, Canada
Sold By	Lomoca Inc.

2005 Peterbilt 378 Radiator

$1,095 USD

COOLING PACK ASSY 05 378 379 ISX CUMMINS TESTED WITH 90 DAY WARRANTY, Engine Make: Cummins, Engine Model: ISX, With Frame: true

Condition	Used
Engine Model	Cummins ISX
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2005
Stock Number	32923-14
MLS Number	11987694
Category	Radiators
Last Updated	12/18/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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

Condition	Used
Engine Model	Caterpillar C15
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2004
Part Number	239208
Stock Number	122622-13
MLS Number	11809831
Category	Radiators
Last Updated	12/18/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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

Condition	Used
Engine Model	Caterpillar C12
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2003
Part Number	239208
Stock Number	42022-13
MLS Number	11363117
Category	Radiators
Last Updated	12/18/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2003 Peterbilt 378 Charge Air Cooler (ATAAC)

$300 USD

GOOD USED PRESSURE CHECKED AIR TO AIR/ CHARGE AIR COOLER, Engine Make: Caterpillar, Engine Model: C12

Condition	Used
Engine Model	Caterpillar C12
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2003
Part Number	222101
Stock Number	42022-7
MLS Number	11363111
Category	Charge Air Coolers (ATAAC)
Last Updated	12/18/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2000 Peterbilt 378 Radiator

$750 USD

GOOD TESTED RADIATOR ASSY 00 378 3406E CAT, FINS NEED STRAIGHTENED SOME, Engine Make: Caterpillar, Engine Model: C15

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	378
Will Fit Year(s)	2000
Stock Number	71421-13
MLS Number	10897365
Category	Radiators
Last Updated	12/17/2023
Location	Ucon, ID, US
Sold By	Holst Truck Parts