Peterbilt 378 Cooling and Climate Controls

Essential Peterbilt 378 Cooling and Climate Controls

Carquest Premium – Standard Rotation Blower Motor Wheel (Part No.35608)

Standard Rotation Blower Motor Wheel

from

$31.49
High quality OE replacement part with all components needed to complete the job.

Product Features:
  • Galvanized steel construction
  • Meets all requirements of international standard ISO 140
  • Suitable for a wide variety of applications
  • Set screw installation
  • Galvanized steel construction
  • Meets all requirements of international standard ISO 140
  • Suitable for a wide variety of applications
  • Set screw installation
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Carquest Premium – A/C New, with Clutch, with SD7H15 Compressor (Part No.T158533)

A/C New, with Clutch, with SD7H15 Compressor

from

$411.99
Carquest New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each new compressor design undergoes rigorous life cycle testing at high RPMs and pressures to ensure that they can withstand years in the harshest conditions.
  • New compressors are designed with utmost precision using 3D coordinate measuring machines to ensure a perfect fit.
  • The production process contains automated controls at every stage that alerts and halts production in case of an error, assuring that the finished product will always be flawless.
  • All new compressors must pass a helium leak test and pump up function test prior to packaging.
  • O-Rings and gaskets necessary for installation are included.
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Carquest Premium – A/C Accumulator (Part No.T33352)

A/C Accumulator

from

$63.99
Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.

Product Features:
  • All parts meet or exceed original equipment standards for moisture absorption, pressure and temperature resistance, air tightness, vibration resistance, corrosiveness, and pulse pressure.
  • Desiccant is 100% tested and assembled in a controlled environment to ensure performance meets or exceeds original equipment standards.
  • All accumulators and receiver driers are helium leak tested prior to packaging.
  • O-Rings necessary for installation are included.
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Carquest Premium – A/C Orange Orifice Tube (Part No.T38639)

A/C Orange Orifice Tube

from

$4.99
Carquest Orifice Tubes are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each orifice tube is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each orifice tube is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • Color coded
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Carquest Premium – HVAC Blower Fan Switch (Part No.ACA1262)

HVAC Blower Fan Switch

from

$9.49
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The HVAC Panel Switch provides intuitive control over the vehicle’s heating, ventilation, and air conditioning systems, enhancing comfort for passengers by allowing easy adjustments to temperature and airflow according to individual preferences. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
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Carquest Premium – Coolant Spin-On Filter without Chemicals (Part No.89113)

Coolant Spin-On Filter without Chemicals

from

$84.99
Carquest Premium Coolant Filters protect your engine’s cooling system by filtering out rust, scale, dirt, and other particles from the coolant fluid. Coolant filters remove contaminants that build up and cause clogging or corrosion in the radiator, water pump, heater core, and engine passages. By keeping the coolant clean and effective, these filters help prevent overheating and ensure optimal engine performance. Carquest Premium Coolant Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Long Life (150,000 miles) used with Extended Service coolant.
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Carquest Premium – Coolant Spin-On Filter with BTA PLUS Formula (Part No.89112)

Coolant Spin-On Filter with BTA PLUS Formula

from

$134.99
Carquest Premium Coolant Filters protect your engine’s cooling system by filtering out rust, scale, dirt, and other particles from the coolant fluid. Coolant filters remove contaminants that build up and cause clogging or corrosion in the radiator, water pump, heater core, and engine passages. By keeping the coolant clean and effective, these filters help prevent overheating and ensure optimal engine performance. Carquest Premium Coolant Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:
  • Contains 11 1/2 Units BTA PLUS
  • Made in USA
  • Includes 11 1/2 Units BTA PLUS
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Carquest Premium – Coolant Temperature Sensor (Part No.WTA2365)

Coolant Temperature Sensor

from

$4.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
    • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
    • O-rings, seals or thread sealant are included if required
    • Weather-tight connectors prevent leaks and corrosion for longer life
    • Extensive design validation testing and 100% end-of-line tested
    • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Carquest Premium – Coolant Temperature Sensor 1TS1035 (Part No.WTC1082)

Coolant Temperature Sensor 1TS1035

from

$54.99
Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Carquest Premium – Heavy Duty Thermostat: With Seal, 170 Degrees (Part No.14537)

Heavy Duty Thermostat: With Seal, 170 Degrees

from

$52.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Carquest Premium – Heavy Duty Thermostat: 180 Degrees (Part No.14838)

Heavy Duty Thermostat: 180 Degrees

from

$21.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Carquest Premium – Blower Motor: without Wheel (Part No.75858)

Blower Motor: without Wheel

from

$179.99
Carquest Premium Blower Motors are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Carquest Premium Blower Motors. Meets or exceeds OE design. Magnetic size and properties compare or exceed OEM.Windings meet or exceed OEM Specifications. Motor RPM equivalent to or exceeds OEM motor.

Product Features:
  • Meets or exceeds OE design and performance
  • Magnetic size and properties compare or exceed OEM
  • Windings meet or exceed OEM specifications
  • Motor RPM equivalent to or exceeds OEM motor
  • Meets or exceeds OE design and performance
  • Magnetic size and properties compare or exceed OEM
  • Windings meet or exceed OEM specifications
  • Motor RPM equivalent to or exceeds OEM motor
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Carquest Premium – Blower Motor: without Wheel (Part No.35419)

Blower Motor: without Wheel

from

$98.99
Carquest Premium Blower Motors are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Carquest Premium Blower Motors. Meets or exceeds OE design. Magnetic size and properties compare or exceed OEM. Windings meet or exceed OEM Specifications. Motor RPM equivalent to or exceeds OEM motor.

Product Features:
  • Meets or exceeds OE design and performance
  • Magnetic size and properties compare or exceed OEM
  • Windings meet or exceed OEM specifications
  • Motor RPM equivalent to or exceeds OEM motor
  • Meets or exceeds OE design and performance
  • Magnetic size and properties compare or exceed OEM
  • Windings meet or exceed OEM specifications
  • Motor RPM equivalent to or exceeds OEM motor
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Carquest Premium – HVAC Pressure Switch (Part No.ACA1769)

HVAC Pressure Switch

from

$45.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
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Carquest Premium – AC Pressure Switch (Part No.ACA1319)

AC Pressure Switch

from

$41.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurizes the switch, confirms proper calibration and functionality and checks for leaks to ensure each part meets manufacturing specifications before packaging.
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Gates – Heavy-Duty Engine Water Pump (Part No.41173HD)

Heavy-Duty Engine Water Pump

from

$137.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
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Gates – Heavy-Duty Engine Water Pump (Part No.45009HD)

Heavy-Duty Engine Water Pump

from

$618.99
Gates carries a huge line of water pumps for heavy duty applications. Our heavy duty water pump offering is designed to handle rugged Fleet standards.

Product Features:
  • Our heavy-duty water pump offering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured according to ISO/TS 16949 standards
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Dorman – HD Solutions – HVAC Heater Water Shut-Off Valve Actuator: 1 Piece (Part No.604-5103CD)

HVAC Heater Water Shut-Off Valve Actuator: 1 Piece

from

$80.99
This HVAC heater water shut-off valve actuator is designed to match the appearance and function of the original actuator on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this HVAC heater water shut-off valve actuator is made to match the fit and performance of the original actuator on specific vehicle applications
  • Ideal solution – this actuator is a reliable replacement for an original part that has failed due to collision damage or fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Engine Water Pump Adapter (Part No.T3009)

Engine Water Pump Adapter

from

$71.99
This back plate is an all new, original equipment-quality component for proper fit and long-life performance. Each plate is precision machined for optimal impeller clearance, plus all new back plates are 100% factory tested to assure the highest quality product. Each unit is built to meet or exceed all Original Equipment specifications and is validated for fit, form, and function. Also, application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust.

Product Features:
  • This plate may become worn during normal engine operation
  • It is highly recommended that the plate be replaced at the same time as the pump
  • Machined grey iron plate
  • Creates optimized impeller clearance for maximum coolant flow
  • Follow all enclosed instructions to maximize plate life and validate warranty
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Dorman – HD Solutions – HVAC Heater Water Shut-Off Valve Actuator: 1 Piece (Part No.604-5103)

HVAC Heater Water Shut-Off Valve Actuator: 1 Piece

from

$80.99
This HVAC heater water shut-off valve actuator is designed to match the appearance and function of the original actuator on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this HVAC heater water shut-off valve actuator is made to match the fit and performance of the original actuator on specific vehicle applications
  • Ideal solution – this actuator is a reliable replacement for an original part that has failed due to collision damage or fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Helping You Find the Right Cooling and Climate Controls for Your Peterbilt 378

You love your 378. So we’ve made it easier than ever to help you find Peterbilt 378 Cooling and Climate Controls in our online catalog. Our inventory holds 79 aftermarket and OEM Cooling and Climate Controls for your Peterbilt 378, ranging from $4.99 to $1,052.99.

We offer parts from 3 brands trusted to make quality Cooling and Climate Controls for your Peterbilt 378. Before you buy, take some time to read through customer reviews. We currently have 7,812 reviews of Peterbilt 378 Cooling and Climate Controls from previous customers. Some of the top rated parts include Engine Coolant HD Thermostat: With Seal, 160 Degrees with 4.0 stars.

Find your 378 Cooling and Climate Controls here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Peterbilt 378 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Cooling and Climate Controls Brands for Your Peterbilt 378

Our inventory holds Cooling and Climate Controls for your Peterbilt 378 from 3 trusted brands. You’ll find OEM and aftermarket parts from brands like Carquest Premium, Dorman, and Gates, all of which can keep that Peterbilt happy.

Top-Rated Carquest Premium Cooling and Climate Controls

Leading Carquest Premium Cooling and Climate Controls

We carry Carquest Premium brand parts for your Peterbilt 378 across several catalog categories, including Air Conditioning Parts and Engine Cooling Parts. Some of our most reviewed Carquest Premium parts include:
A/C Orange Orifice Tube
from $4.99
(97)
A/C Orange Orifice Tube
Expansion Valve and Orifice Tubes
Engine Water Pump: New, Gasket/Seals Included
from $62.99
(52)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
New Premium Water Pump
from $54.99
(23)
New Premium Water Pump
Water Pumps

FAQs for Peterbilt 378 Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the Peterbilt 378?

Out of 79 Cooling and Climate Controls for the Peterbilt 378, the most popular in our inventory are:
Standard Rotation Blower Motor Wheel
from $31.49
(2)
Standard Rotation Blower Motor Wheel
Blower Motor Wheels
Heavy Duty Thermostat: With Seal, 190 Degrees
from $39.99
This product is not rated
Heavy Duty Thermostat: With Seal, 190 Degrees
Thermostats
Coolant Spin-On Filter with BTE Formula
from $28.99
This product is not rated
Coolant Spin-On Filter with BTE Formula
Cooling System Filters

What are the top-rated Peterbilt 378 Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your Peterbilt 378 based on customer reviews/ratings are:
Engine Coolant HD Thermostat: With Seal, 160 Degrees
from $86.99
(1)
Engine Coolant HD Thermostat: With Seal, 160 Degrees
“Would have been nice to know that you must order a new exhaust tube because the dimensions are not the same.. but other than that its fine. Also gaske”