2002 Peterbilt 378 Air Conditioning Parts
Keep Your 2002 Peterbilt 378 in Top Shape with Quality Air Conditioning Parts
Whether you’re repairing or upgrading your Air Conditioning Part, using high-quality parts is key to keeping your 2002 Peterbilt 378 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Accumulator and Receiver Driers, AC Condensers, and Expansion Valve and Orifice Tubes. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Air Conditioning Parts from Trusted Brands
Looking for a reliable Air Conditioning Part? We’ve got you covered with options from brands you know and trust like Carquest Premium. For example, Carquest Premium Air Conditioning Parts start at just $5.99 with an average 4.5 star rating. With over 873 reviews and a solid 4.5 star average, you can shop with confidence knowing other Peterbilt 378 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2002 Peterbilt 378 Air Conditioning Part at Advance Auto Parts is around $274.69, with a range that starts at $5.99 and goes up to $719.99. With 20 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Omega Environmental Tech A/C Expansion Valve, 31-12127-AM, Carquest A/C Condenser, 719032, and Omega Environmental Tech A/C Condenser, 24-50286 start at just $80.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Air Conditioning Part, don’t forget to check out other key components like Blower Motor and Related Products and Engine Cooling Parts. At Advance Auto Parts, we’re here to help you keep your 2002 Peterbilt 378 in peak condition, inside and out.
Find Your Specific 2002 Peterbilt 378 Air Conditioning Parts
Looking for the perfect Air Conditioning Part for your 2002 Peterbilt 378? You’re in the right place. Below, you’ll find links to various types of Air Conditioning Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Air Conditioning Parts, ensuring durability and a precise fit for your Peterbilt 378. Whether you’re driving a 2002 model or another popular model year like
1998,
1999,
2000,
2001,
2003,
2004,
2005,
2006, and
2007, we’ve got you covered. Purchasing Air Conditioning Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Air Conditioning Parts that fit your vehicle.
Essential 2002 Peterbilt 378 Air Conditioning Parts
DAYTON PARTS – DAYTON PARTS Air Conditioning Pressure Sensor, 904-9928 (Part No.904-9928)
from
$52.99
This A/C refrigerant pressure sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.
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Carquest Premium – Carquest A/C Receiver Drier, T33462 (Part No.T33462)
from
$32.99
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.
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Carquest Premium – Carquest A/C Accumulator, T33221 (Part No.T33221)
from
$37.49
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.
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Omega Environmental Tech – Omega Environmental Tech A/C Accumulator, 37-23539-AM (Part No.37-23539-AM)
from
$57.99
The accumulator/receiver drier is designed to remove moisture from the A/C system. Every time the A/C system is opened, the accumulator/receiver drier must be replaced. Changing the accumulator/receiver drier is required when servicing the A/C system.
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Carquest Premium – Carquest A/C Receiver Drier, T33476 (Part No.T33476)
from
$43.99
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.
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Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-04042-AM (Part No.20-04042-AM)
from
$383.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
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Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-04041-AM (Part No.20-04041-AM)
from
$383.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
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Carquest Premium – Carquest A/C Compressor, T158533 (Part No.T158533)
from
$413.99
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.
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Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-04041-S (Part No.20-04041-S)
from
$359.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
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Omega Environmental Tech – Omega Environmental Tech HVAC Pressure Switch, MT1638 (Part No.MT1638)
from
$41.99
Maintain optimal A/C performance with our HVAC Pressure Switches. Designed to monitor high and low refrigerant pressures, these switches cycle the compressor to maintain efficient cooling and prevent damage from abnormal pressure conditions. A malfunctioning pressure switch can lead to poor cooling performance or even compressor failure. Engineered for accuracy and durability, our pressure switches ensure reliable system operation and long-lasting performance, helping to keep your cabin comfortable in all conditions.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1769 (Part No.ACA1769)
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.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1331 (Part No.ACA1331)
from
$39.99
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.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1779 (Part No.ACA1779)
from
$25.99
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.
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Omega Environmental Tech – Omega Environmental Tech A/C Evaporator Core, 27-19516 (Part No.27-19516)
from
$719.99
The evaporator is designed to remove heat from the interior of the vehicle. This process begins when the blower motor forces air through the evaporator fins, allowing the refrigerant inside to absorb and remove heat from the cabin. Our Evaporator Assemblies are manufactured from the highest quality materials and are engineered for long life under extreme conditions, ensuring reliable performance and durability.
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Omega Environmental Tech – Omega Environmental Tech A/C Condenser, 24-50286 (Part No.24-50286)
from
$489.99
The condenser removes heat from the A/C refrigerant within the system. In late model vehicles, condensers cannot be cleaned or flushed. It is recommended to replace the condenser whenever a new compressor is installed for optimal performance.
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Omega Environmental Tech – Omega Environmental Tech A/C Condenser, 24-14679 (Part No.24-14679)
from
$246.99
The condenser removes heat from the A/C refrigerant within the system. In late model vehicles, condensers cannot be cleaned or flushed. It is recommended to replace the condenser whenever a new compressor is installed for optimal performance.
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Carquest Premium – Carquest A/C Condenser, 719032 (Part No.719032)
from
$321.99
The Carquest condenser is an integral component of the motor vehicle air conditioning system. This part condenses the refrigerant into a liquid to prepare it for entry into the compressor. The condenser is manufactured according to OEM design specifications to ensure a long life with quality performance. Exact design standards produce a seamless fit into the engine compartment.
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Omega Environmental Tech – Omega Environmental Tech A/C Expansion Valve, 31-12127-AM (Part No.31-12127-AM)
from
$80.99
The expansion valve/orifice tube is designed to slow the refrigerant before it enters the evaporator, maximizing the refrigerant’s cooling capability. Omega recommends replacing the expansion valve/orifice tube each time the A/C system is serviced to ensure optimal performance. Our Expansion Valves are manufactured from the highest quality materials and are engineered for long life under extreme conditions, ensuring reliable performance and durability. Each valve is individually packaged to prevent contamination, maintaining the integrity of the A/C system.
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Carquest Premium – Carquest A/C Orifice Tube – Orange, T38639 (Part No.T38639)
from
$5.99
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.
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Omega Environmental Tech – Omega Environmental Tech A/C Expansion Valve, 31-31234 (Part No.31-31234)
from
$50.99
The expansion valve/orifice tube is designed to slow the refrigerant before it enters the evaporator, maximizing the refrigerant’s cooling capability. Omega recommends replacing the expansion valve/orifice tube each time the A/C system is serviced to ensure optimal performance. Our Expansion Valves are manufactured from the highest quality materials and are engineered for long life under extreme conditions, ensuring reliable performance and durability. Each valve is individually packaged to prevent contamination, maintaining the integrity of the A/C system.
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Popular 2002 Peterbilt 378 Air Conditioning Parts Categories
Most Popular Accumulator and Receiver Driers for 2002 Peterbilt 378s
Enhance your 2002 Peterbilt 378 with one of the 2 Accumulator and Receiver Driers we have in stock, starting at just $37.49.
Omega Environmental Tech – Omega Environmental Tech A/C Accumulator, 37-23539-AM (Part No.37-23539-AM)
from
$57.99
The accumulator/receiver drier is designed to remove moisture from the A/C system. Every time the A/C system is opened, the accumulator/receiver drier must be replaced. Changing the accumulator/receiver drier is required when servicing the A/C system.
See More
Carquest Premium – Carquest A/C Accumulator, T33221 (Part No.T33221)
from
$37.49
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.
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Best-Selling 2002 Peterbilt 378 AC Condensers
Upgrade your 378 with one of our 2 best-selling AC Condensers.
Omega Environmental Tech – Omega Environmental Tech A/C Condenser, 24-50286 (Part No.24-50286)
from
$489.99
The condenser removes heat from the A/C refrigerant within the system. In late model vehicles, condensers cannot be cleaned or flushed. It is recommended to replace the condenser whenever a new compressor is installed for optimal performance.
See More
Carquest Premium – Carquest A/C Condenser, 719032 (Part No.719032)
from
$321.99
The Carquest condenser is an integral component of the motor vehicle air conditioning system. This part condenses the refrigerant into a liquid to prepare it for entry into the compressor. The condenser is manufactured according to OEM design specifications to ensure a long life with quality performance. Exact design standards produce a seamless fit into the engine compartment.
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Top-Quality Expansion Valve and Orifice Tubes for 2002 Peterbilt 378s
Choose a high-quality OEM or aftermarket Expansion Valve and Orifice Tube for Peterbilt 378s and enjoy top-notch performance from $5.99.
Carquest Premium – Carquest A/C Orifice Tube – Orange, T38639 (Part No.T38639)
from
$5.99
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.
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Omega Environmental Tech – Omega Environmental Tech A/C Expansion Valve, 31-12127-AM (Part No.31-12127-AM)
from
$80.99
The expansion valve/orifice tube is designed to slow the refrigerant before it enters the evaporator, maximizing the refrigerant’s cooling capability. Omega recommends replacing the expansion valve/orifice tube each time the A/C system is serviced to ensure optimal performance. Our Expansion Valves are manufactured from the highest quality materials and are engineered for long life under extreme conditions, ensuring reliable performance and durability. Each valve is individually packaged to prevent contamination, maintaining the integrity of the A/C system.
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Top Picks for 2002 Peterbilt 378 AC Compressor Without Clutch
Invest in one of our 8 durable AC Compressor Without Clutch for your 2002 Peterbilt, knowing you’re getting trusted brands and expert craftsmanship.
Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-04077 (Part No.20-04077)
from
$589.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
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Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-10085 (Part No.20-10085)
from
$558.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
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Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-04041 (Part No.20-04041)
from
$478.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
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Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-04077-AM (Part No.20-04077-AM)
from
$431.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
See More
Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-04042-AM (Part No.20-04042-AM)
from
$383.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
See More
Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-04041-AM (Part No.20-04041-AM)
from
$383.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
See More
Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-04041-S (Part No.20-04041-S)
from
$359.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
See More
Omega Environmental Tech – Omega Environmental Tech A/C Compressor, 20-04042-S (Part No.20-04042-S)
from
$349.99
Our compressors are built with high-quality components for superior reliability and performance. Engineered to reduce fuel consumption and minimize noise, they enhance driver and passenger comfort. Designed as direct replacements, they ensure a perfect fit and easy installation. Every compressor and component is brand new-never remanufactured-and undergoes rigorous multi-point quality testing to guarantee durability and performance. Trusted for industry-leading quality and reliability.
See More
Our AC Evaporators for 2002 Peterbilt 378s
Make a smart move for your 2002 Peterbilt 378 with our AC Evaporator for $719.99.
Omega Environmental Tech – Omega Environmental Tech A/C Evaporator Core, 27-19516 (Part No.27-19516)
from
$719.99
The evaporator is designed to remove heat from the interior of the vehicle. This process begins when the blower motor forces air through the evaporator fins, allowing the refrigerant inside to absorb and remove heat from the cabin. Our Evaporator Assemblies are manufactured from the highest quality materials and are engineered for long life under extreme conditions, ensuring reliable performance and durability.
See More
Top-Rated Air Conditioning Part Brands For Your 2002 Peterbilt 378
When it comes to finding the perfect Air Conditioning Part for your 2002 Peterbilt 378, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Air Conditioning Part brands including Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $5.99. Purchasing a Air Conditioning Part from us here at Advance Auto Parts is a smart move for both you and your 2002 Peterbilt 378, providing peace of mind with parts that meet or exceed OEM standards.
Popular Carquest Premium 2002 Peterbilt 378 Air Conditioning Parts
If you’re looking for a top-quality Air Conditioning Part for your 2002 Peterbilt 378, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Air Conditioning Parts. We have 1 Carquest Premium Air Conditioning Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $5.99, you’ll find the perfect Air Conditioning Part for your needs and budget. Carquest Premium Air Conditioning Parts for the 2002 Peterbilt 378 come highly rated, with over 97 customer reviews and an impressive average rating of 4.5 stars. Choosing a Carquest Premium Air Conditioning Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
FAQs for 2002 Peterbilt 378 Air Conditioning Parts
What are the best-selling Air Conditioning Parts for 2002 Peterbilt 378s?
Out of 20 Air Conditioning Parts that fit 2002 Peterbilt 378s, the following parts are the top sellers:
- Omega Environmental Tech A/C Expansion Valve, 31-12127-AM (50281323) – $80.99
- Carquest A/C Condenser, 719032 (50067263) – $321.99
- Omega Environmental Tech A/C Condenser, 24-50286 (50281928) – $489.99
What’s the price range for 2002 Peterbilt 378 Air Conditioning Parts?
The prices of Air Conditioning Parts for the 2002 Peterbilt 378 range from $5.99 up to $719.99 for the most premium parts.
What is the average price of an Air Conditioning Part for a 2002 Peterbilt 378?
The average price for Air Conditioning Parts for the 2002 Peterbilt 378 is $274.69. Keep in mind the variety of part types within our Air Conditioning Part category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Air Conditioning Parts for other Peterbilt 378 model years?
What are the cheapest Air Conditioning Parts for my 2002 Peterbilt 378?
The cheapest 2002 Peterbilt 378 Air Conditioning Parts we carry are:
- Carquest A/C Orifice Tube – Orange, T38639 (10052824) – $5.99
- Carquest HVAC Pressure Switch, ACA1763 (12541710) – $21.99
- Carquest HVAC Pressure Switch, ACA1779 (12541600) – $25.99
- Carquest A/C Accumulator, T33221 (18892061) – $37.49
- Carquest Air Conditioner Refrigerant Pressure Sensor, ACA1767 (12541692) – $42.99
Does Advance Auto Parts sell Air Conditioning Parts for any other 2002 Peterbilt models?
Yes. We stock Air Conditioning Parts for 7 other popular 2002 Peterbilt models. Some of the most popular are 2002 387 Air Conditioning Parts, 2002 379 Air Conditioning Parts, 2002 330 Air Conditioning Parts, 2002 357 Air Conditioning Parts, and 2002 385 Air Conditioning Parts.
What are the top-rated Air Conditioning Parts that fit the 2002 Peterbilt 378?
The one 2002 Peterbilt 378 Air Conditioning Part we have in stock is the Carquest A/C Orifice Tube – Orange, T38639. It is rated 4.5 stars and costs $5.99.
What types of Air Conditioning Parts do you sell for my 2002 Peterbilt 378?
As of 8/2/26, these are some of the most in-demand types of Air Conditioning Parts for a 2002 Peterbilt 378:
Can I get help with 2002 Peterbilt 378 Air Conditioning Part orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Peterbilt Air Conditioning Parts and more.
What is your return policy for Peterbilt 378 Air Conditioning Parts?
Advance Auto Parts keeps returns simple. For new Peterbilt 378 Air Conditioning Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.