2021 Chevrolet Trailblazer Cooling and Climate Controls

Essential Cooling and Climate Controls for 2021 Chevrolet Trailblazers

GM Genuine Parts – Engine Coolant Thermostat Water Inlet Assembly (Part No.15-11057)

Engine Coolant Thermostat Water Inlet Assembly

from

$77.99
GM Genuine Parts Engine Coolant Thermostat Housing Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Dorman – Thermostat Assembly: Includes Housing, Thermostat, and O-Ring, 180 Degrees (Part No.902-2131)

Thermostat Assembly: Includes Housing, Thermostat, and O-Ring, 180 Degrees

from

$53.99
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet on specified vehicle years, makes and models.
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking.
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housing assemblies
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Dorman – Thermostat Assembly: Includes Gasket, Thermostat, and Housing, 160 Degrees (Part No.902-2800)

Thermostat Assembly: Includes Gasket, Thermostat, and Housing, 160 Degrees

from

$71.99
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet on specified vehicle years, makes and models.
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking.
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housing assemblies
See More

Permatex – The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ (Part No.34310)

The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ

from

$38.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 1 minute
See More

Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

from

$6.99
Permatex Water Pump & Thermostat RTV Silicone Gasket Maker is a noncorrosive, sensor-safe RTV silicone gasket material formulated for water pumps and thermostat housings. Permatex Water Pump & Thermostat has the highest water-glycol resistance available in an RTV silicone.

Product Features:
  • Sensor-safe, noncorrosive RTV silicone gasket material
  • Formulated specifically for water pumps and thermostat housings
  • Highest water-glycol resistance available in RTV silicone
  • Superior adhesion and flexibility
  • Can be used as a gasket maker or dressing
See More

Koyo Cooling – Radiator (Part No.G1000206499KCS)

Radiator

from

$304.64
Plastic Tank / Aluminum Core Radiator Koyo radiators are available in plastic tank and aluminum core. The Nocolok brazing line keeps the highest quality standards, bringing you superior products you can rely on. The Koyo Cooling radiator has been engineered to the highest standards and incorporates application specific mounting locations for all fan shrouds, inlet-outlet hoses and top-bottom mounting pins, ensuring quick and pain-free installs.

Product Features:
  • All Aluminum Core and Plastic Tank
  • OE Style mounting brackets and hose connections
  • Integrated transmission oil cooler when applicable
  • Compact and lightweight
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432405)

Radiator: With Transmission Oil Cooler

from

$295.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
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Autopart International Inc – Radiator (Part No.G10002002446API)

Radiator

from

$250.65
Radiator

NTK – Engine Coolant Temperature Sensor (Part No.EF0075)

Engine Coolant Temperature Sensor

from

$38.99
The Engine Coolant Temperature Sensor determines the exact temperature of the engine coolant by sending an analog signal to the ECM to censure proper air/fuel ratio along with proper operation of the cooling fan(s) and temperature gauge. The Engine Coolant Temperature Sensor may be located on the cylinder head, engine block, thermostat housing or intake manifold. Reasons for replacement include: check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clip(s) included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE NTK DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
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ACDelco – Engine Coolant Temperature Sensor (Part No.213-4333)

Engine Coolant Temperature Sensor

from

$42.99
ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle’s original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine running at proper temperature
  • Alerts vehicle operator of high engine temperature conditions
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – Engine Coolant Temperature Sensor (Part No.12641073)

Engine Coolant Temperature Sensor

from

$19.99
ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle’s original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine running at proper temperature
  • Alerts vehicle operator of high engine temperature conditions
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – Engine Coolant Temperature Sensor (Part No.213-4233)

Engine Coolant Temperature Sensor

from

$39.99
ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle’s original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine running at proper temperature
  • Alerts vehicle operator of high engine temperature conditions
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Autopart International Inc – Expansion Tank Cap (Part No.G10402009531API)

Expansion Tank Cap

from

$12.81
Expansion Tank Cap

ACDelco – GM Original Equipment Expansion Tank Cap (Part No.G1040465619ACD)

GM Original Equipment Expansion Tank Cap

from

$21.02
An ACDelco GM Original Equipment Expansion Tank Cap is a spring loaded cap that seals the radiator filler neck or surge tank, and is a GM-recommended replacement for your vehicle’s original component. It maintains pressure on the cooling system while the engine is operating, which raises the boiling point of the engine coolant. It also replenishes the system with coolant from the expansion tank (if equipped) when the engine cools off. This original equipment radiator cap has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Get the GM quality you know and trust with ACDelco GM Original Equipment Thermostats and Caps. Stay with the brand of parts your General Motors vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Thermostats and Caps are engineered for virtually every model of GM car, light duty truck, and sport utility vehicle.

Product Features:
  • Seal and maintain pressure on the cooling system for vehicle safety
  • Raise the boiling point of the engine coolant to maintain efficiency
  • Fit most models of GM vehicles for expanded coverage
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – GM Original Equipment Radiator Cap (Part No.G1010205985ACD)

GM Original Equipment Radiator Cap

from

$23.91
An ACDelco GM Original Equipment Radiator Cap is a spring loaded cap that seals the radiator filler neck or surge tank, and is a GM-recommended replacement for your vehicle’s original component. It maintains pressure on the cooling system while the engine is operating, which raises the boiling point of the engine coolant. It also replenishes the system with coolant from the expansion tank (if equipped) when the engine cools off. This original equipment radiator cap has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Get the GM quality you know and trust with ACDelco GM Original Equipment Thermostats and Caps. Stay with the brand of parts your General Motors vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Thermostats and Caps are engineered for virtually every model of GM car, light duty truck, and sport utility vehicle.

Product Features:
  • Seal and maintain pressure on the cooling system for vehicle safety
  • Raise the boiling point of the engine coolant to maintain efficiency
  • Fit most models of GM vehicles for expanded coverage
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Felpro – Engine Water Pump Gasket (Part No.35704)

Engine Water Pump Gasket

from

$4.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More

Permatex – High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ

from

$26.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
See More

Felpro – Engine Water Pump Gasket (Part No.35635)

Engine Water Pump Gasket

from

$6.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More

Victor Reinz – Engine Water Pump Gasket (Part No.71-14691-00)

Engine Water Pump Gasket

from

$6.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Dorman – Help – Air Conditioning Service Port Caps (Part No.54374)

Air Conditioning Service Port Caps

from

$8.99
This A/C service valve cap is designed to match the fit and function of the original cap on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this A/C service valve cap is designed to match the fit and function of the original cap on specified applications.
  • Restores functionality – reliable replacement for an original part that is leaking or has failed due to 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
See More

GM Genuine Parts – Air Conditioning System Valve Core (Part No.15-1119)

Air Conditioning System Valve Core

from

$10.99
GM Genuine Parts A/C System Valve Cores are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These A/C system valve cores are components of the A/C service valve through which your vehicle’s refrigerant can be accessed and serviced. The valve core is a spring-loaded poppet valve that is opened when the service technician connects the A/C service machine hose couplers. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Repair leaking A/C system, restore A/C function
  • Helps restore A/C Function
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Dorman – A/C Service Valve Cap (Part No.902-025)

A/C Service Valve Cap

from

$8.99
This A/C service valve cap is designed to match the fit and function of the original cap on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this A/C service valve cap is designed to match the fit and function of the original cap on specified applications.
  • Restores functionality – reliable replacement for an original part that is leaking or has failed due to 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
See More

Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.82594)

Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack

from

$11.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

Product Features:
  • Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap.
  • Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
  • Seamless fit – reverse-engineered from the original equipment to fit perfectly
  • Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
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Carquest Premium – Radiator Cap: 15 PSI (Part No.10248)

Radiator Cap: 15 PSI

from

$14.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Dorman – Dorman Expansion Tank Cap (Part No.G1040206055DOR)

Dorman Expansion Tank Cap

from

$8.65
Dorman offers a variety of Engine Coolant Recovery Tank Caps for a range of applications. All Dorman Engine Coolant Recovery Tank Caps are constructed of high-quality plastic. They effectively protect the cooling system by providing a tight seal against the elements.

Product Features:
  • Save time, money and labor by replacing only the Cap – instead of the entire Engine Coolant Recovery Tank
  • Direct replacement for a proper fit every time
  • A necessary safety item – prevents coolant from splashing and/or leaking
  • Available in diverse styles, including screw-on and snap-on
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Carquest Premium – Radiator Cap: 20 PSI (Part No.10271)

Radiator Cap: 20 PSI

from

$19.79
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Upgrade your 2021 Chevrolet Trailblazer with Top-Quality Cooling and Climate Controls

When it comes to maintaining or upgrading your 2021 Chevrolet Trailblazer, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Chevrolet or enhancing its overall performance, Cooling and Climate Controls are key to keeping your Trailblazer functioning at its best. At Advance Auto Parts, we offer a wide selection of 11 Cooling and Climate Controls for the 2021 Chevrolet Trailblazer, designed to meet your needs without breaking the bank. From Air Conditioning Part replacements to Engine Cooling Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Cooling and Climate Controls for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Cooling and Climate Controls for your 2021 Chevrolet Trailblazer at great prices. Our Cooling and Climate Controls inventory for this model ranges from just $6.99 to $1,035.00, with an average price of $83.51. Our 11 Cooling and Climate Controls in stock come from 7 trusted brands, so you’re sure to find the right part for your 2021 Chevrolet Trailblazer without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2021 Chevrolet Trailblazer, we stock popular OEM and aftermarket Cooling and Climate Controls from top names like Permatex Carquest Premium, and more. Permatex Cooling and Climate Controls start at just $6.99 and boast an impressive 5 stars average rating from customers. With 1,204 customer reviews and counting, our 2021 Chevrolet Trailblazer Cooling and Climate Controls have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Cooling and Climate Control upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2021 Chevrolet Trailblazer is always ready to roll. We’re committed to providing you with everything you need to keep your Trailblazer in top shape, all in one place. Start shopping confidently below for your 2021 Chevrolet Trailblazer!

Best-Selling Air Conditioning Parts for 2021 Chevrolet Trailblazers

Enhance the driving experience in your Chevrolet with 1 quality Air Conditioning Part components, starting at $8.99.

Dorman – Help – Air Conditioning Service Port Caps (Part No.54374)

Air Conditioning Service Port Caps

from

$8.99
This A/C service valve cap is designed to match the fit and function of the original cap on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this A/C service valve cap is designed to match the fit and function of the original cap on specified applications.
  • Restores functionality – reliable replacement for an original part that is leaking or has failed due to 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
See More

Most Popular 2021 Chevrolet Trailblazer Engine Cooling Parts

Customize your Chevrolet with 10 Engine Cooling Parts products like Radiators, Thermostat and Water Outlet Assemblies, and Radiator Caps, all priced under $1,035.00.

Permatex – High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ

from

$26.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
See More

Carquest Premium – Radiator Cap: 20 PSI (Part No.10271)

Radiator Cap: 20 PSI

from

$19.79
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

from

$6.99
Permatex Water Pump & Thermostat RTV Silicone Gasket Maker is a noncorrosive, sensor-safe RTV silicone gasket material formulated for water pumps and thermostat housings. Permatex Water Pump & Thermostat has the highest water-glycol resistance available in an RTV silicone.

Product Features:
  • Sensor-safe, noncorrosive RTV silicone gasket material
  • Formulated specifically for water pumps and thermostat housings
  • Highest water-glycol resistance available in RTV silicone
  • Superior adhesion and flexibility
  • Can be used as a gasket maker or dressing
See More

ACDelco – GM Original Equipment Expansion Tank Cap (Part No.G1040465619ACD)

GM Original Equipment Expansion Tank Cap

from

$21.02
An ACDelco GM Original Equipment Expansion Tank Cap is a spring loaded cap that seals the radiator filler neck or surge tank, and is a GM-recommended replacement for your vehicle’s original component. It maintains pressure on the cooling system while the engine is operating, which raises the boiling point of the engine coolant. It also replenishes the system with coolant from the expansion tank (if equipped) when the engine cools off. This original equipment radiator cap has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Get the GM quality you know and trust with ACDelco GM Original Equipment Thermostats and Caps. Stay with the brand of parts your General Motors vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Thermostats and Caps are engineered for virtually every model of GM car, light duty truck, and sport utility vehicle.

Product Features:
  • Seal and maintain pressure on the cooling system for vehicle safety
  • Raise the boiling point of the engine coolant to maintain efficiency
  • Fit most models of GM vehicles for expanded coverage
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – Engine Coolant Temperature Sensor (Part No.12641073)

Engine Coolant Temperature Sensor

from

$19.99
ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle’s original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine running at proper temperature
  • Alerts vehicle operator of high engine temperature conditions
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Carquest Premium – Coolant Temperature Sensor (Part No.WTC1413)

Coolant Temperature Sensor

from

$9.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Motorad – COOLANT VALVE (Part No.TA9252)

COOLANT VALVE

from

$1035.00
COOLANT VALVE

Worldpac – RADIATOR (Part No.G10004193389KCS)

RADIATOR

from

$166.99
RADIATOR

Permatex – The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ (Part No.34310)

The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ

from

$38.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 1 minute
See More

Autopart International Inc – Expansion Tank Cap (Part No.G10402009531API)

Expansion Tank Cap

from

$12.81
Expansion Tank Cap

Top-Rated Cooling and Climate Controls Brands For Your 2021 Chevrolet Trailblazer

Shop for the best-rated brands offering Cooling and Climate Controls and other products for your 2021 Chevrolet Trailblazers. Below you’ll find some of our best rated Cooling and Climate Controls from Permatex and Carquest Premium, and more. Cooling and Climate Controls from these brands that fit a 2021 Trailblazer start at just $6.99 and are rated as high as 5 stars. OEM and aftermarket Cooling and Climate Controls don’t get more top quality, durable, and affordable than from the brands below.

Popular Permatex 2021 Chevrolet Trailblazer Cooling and Climate Controls

When it comes to maintaining or upgrading your 2021 Chevrolet Trailblazer, using quality Cooling and Climate Controls is essential to ensure durability and a perfect fit. Permatex ticks all of those boxes. We offer a wide selection of Permatex Cooling and Climate Controls, specifically designed for the 2021 Chevrolet Trailblazer. With over 3 Permatex brand Cooling and Climate Controls in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $6.99, with an average price of just $24.32. Plus, with over 295 customer reviews and an average rating of 5 stars, you can trust that our Permatex Cooling and Climate Controls will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from
$6.99

(288)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

“Goood product”

The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ
from
$38.99
This product is not rated

The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ

“”

High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ
from
$26.99

(7)

High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ

“it worked great,thank you marv and your crew.”

Popular Carquest Premium 2021 Chevrolet Trailblazer Cooling and Climate Controls

Carquest Premium auto parts is one of the highest quality Cooling and Climate Control brands in the market. Any 2021 Chevrolet Trailblazer owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2021 Trailblazer, Advance Auto Parts carries a full inventory of 2 Carquest Premium Cooling and Climate Controls. Plus you will be keeping your Chevrolet in peak condition while saving money because prices on these Carquest Premium Cooling and Climate Controls range from $9.99 to $19.79, plus, with more than 6 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Cooling and Climate Controls below will deliver on both quality and value.

Coolant Temperature Sensor
from
$9.99
This product is not rated

Coolant Temperature Sensor

“”

Radiator Cap: 20 PSI
from
$19.79

(6)

Radiator Cap: 20 PSI

“Installed this on a 2013 Dodge Dart. Should fit most Dodge Chrysler products with this reservoir bottle.”

FAQs for 2021 Chevrolet Trailblazer Cooling and Climate Controls

Which Cooling and Climate Controls are best-sellers for 2021 Chevrolet Trailblazers?

Out of 11 Cooling and Climate Controls that fit 2021 Chevrolet Trailblazers, the following parts are the top sellers:

What’s the price range for 2021 Chevrolet Trailblazer Cooling and Climate Controls?

Cooling and Climate Control prices for the 2021 Chevrolet Trailblazer start at $6.99 and go up to $1,035.00 for the most premium parts.

What’s the average price of a Cooling and Climate Control for a 2021 Chevrolet Trailblazer?

The average price for Cooling and Climate Controls for the 2021 Chevrolet Trailblazer is $83.51. Keep in mind the variety of part types within our Cooling and Climate Control category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Cooling and Climate Controls for other Chevrolet Trailblazer model years?

Yes, we currently carry Cooling and Climate Controls for 12 model years of Chevrolet Trailblazers between 2002 and 2025. Cooling and Climate Controls are bought most frequently for the following model years: 2023, 2022, 2009, 2008, 2007, 2006, 2005, 2004, and 2003.

What are the cheapest Cooling and Climate Controls for my 2021 Chevrolet Trailblazer?

The cheapest 2021 Chevrolet Trailblazer Cooling and Climate Controls we carry in stock are:

What are the top-rated Cooling and Climate Controls that fit the 2021 Chevrolet Trailblazer?

Out of 1,204 reviews by customers, our 2021 Chevrolet Trailblazer Cooling and Climate Controls have an average customer rating of . These are some of the highest-rated Cooling and Climate Control types for the 2021 Chevrolet Trailblazer and their top-rated products:

What types of Cooling and Climate Controls do you sell for my 2021 Chevrolet Trailblazer?

As of 2/5/25, these are some of the most in-demand types of Cooling and Climate Controls for a 2021 Chevrolet Trailblazer:

Can I get help with 2021 Chevrolet Trailblazer Cooling and Climate Control orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Cooling and Climate Controls and more.

What is your return policy for Chevrolet Trailblazer Cooling and Climate Controls?

Advance Auto Parts keeps returns simple. For new Chevrolet Trailblazer Cooling and Climate Controls and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.