2020 GMC Sierra 3500 HD Cooling and Climate Controls

Below you will find various in-demand GMC Cooling and Climate Controls, components and accessories for your 2020 Sierra 3500 HD. Advance Auto Parts has popular Sierra 3500 HD parts like Air Conditioning Parts, Engine Cooling Parts, Blower Motor and Related Products and more. You’ll also find aftermarket and OEM Cooling and Climate Controls for other Sierra 3500 HD model years including 2014, 2015, 2016, 2017, 2018, 2019, 2021, 2022, 2023 and more. Select a category of 2020 GMC Sierra 3500 HD Cooling and Climate Controls below and start saving instantly.

Popular 2020 GMC Sierra 3500 HD Cooling and Climate Controls Categories

Water Pump Housing Gaskets

Blower Motors

Radiator Fan Clutch

Radiator Caps

AC Compressor Without Clutch

Thermostats

Coolant Temperature Sensors

Engine Water Pump Inlet Pipe Gaskets

Coolant Reservoir Caps

Water Outlets

Air Conditioning Relays

OE Cooling Fan Blades

AC Compressor Control Valves

AC Service Valve Caps

Engine Coolant Water Inlet Seals

Engine Water Pump Outlet Pipe O-Ring

Essential Cooling and Climate Controls for 2020 GMC Sierra 3500 HDs

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$12.81

Expansion Tank Cap

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$10.84

An ACDelco GM Original Equipment Engine Coolant Water Inlet Seal is a GM-recommended replacement for your vehicle’s original component. It seals and helps prevent coolant from leaking out of cooling system components. This original equipment engine coolant water inlet seal has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Seals and helps prevent coolant from leaking out of cooling system components to maintain the proper engine temperature
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

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$26.68

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

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$57.13

The ACDelco GM Original Equipment Engine Coolant Temperature Sensor monitors the engine temperature, and is a GM-recommended replacement for your vehicle’s original component. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. This original equipment engine coolant temperature sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Undergo the same stringent testing process as the original part
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

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$636.94

ACDelco GM Original Equipment Engine Cooling Fan Clutches control the speed of the radiator fan based on the temperature of the air after it passes through the radiator fins. This original equipment engine cooling fan clutch is a GM-recommended replacement for your vehicle’s original components and has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Quiets noisy cooling fans with stuck fan clutches, restores fuel economy
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

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$20.99

We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:

Meets and/or exceeds OEM standard
Includes quality gasket or O-ring to ensure proper seal (where applicable)
100% leak tested
Direct-fit replacement for ease of installation

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$45.26

The ACDelco GM Original Equipment Engine Oil Cooler Seal is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:

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

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$158.99

GM Genuine Parts HVAC Blower Motor and Wheels are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These HVAC blower motor and wheels are electrical motor and fan assemblies that push air through your vehicle’s heating and air conditioning system. 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:

Permanently lubricated, self-aligning bearings designed for long life and dependable performance
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

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$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

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$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

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$81.39

An ACDelco GM Original Equipment Engine Coolant Thermostat is a temperature controlled valve located in the engine coolant outlet to, or the inlet from, the radiator, and is a GM-recommended replacement for your vehicle’s original component. It controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature. This original equipment engine coolant thermostat has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Control the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature
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

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$13.13

A/C Service Valve

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$18.99

BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:

Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.

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$15.79

Driveworks® offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:

Direct-fit OE replacement ensures ease of installation
Designed to meet OE performance
As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need

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$19.29

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

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$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

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$61.99

Replace your damaged cooling fan blade with this direct replacement. This vehicle-specific application is engineered for a perfect fit and is made from quality materials to ensure durability and restore proper cooling system operation.

Product Features:

Direct replacement – this engine cooling fan blade fits and functions like the original equipment fan blade.
Quality construction – manufactured from premium materials for a long service life.
Excellent value – original equipment quality at a lower price
Quality tested – has undergone testing to ensure proper fit and performance

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$112.99

Direct replacement – this engine cooling fan blade fits and functions like the original equipment fan blade.
Quality construction – manufactured from premium materials for a long service life.
Excellent value – original equipment quality at a lower price
Quality tested – has undergone testing to ensure proper fit and performance

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$6.65

Water Pump Gasket

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$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

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$82.99

This engine coolant pipe is designed to match the fit and function of the original pipe on specified vehicles. It is engineered to help ensure leak-free coolant transfer when an original pipe has failed from heat or corrosion..

Product Features:

Direct replacement – this engine coolant pipe is designed to match the fit and function of the original pipe on specified vehicles.
Ideal solution – engineered to help ensure leak-free coolant transfer when an original pipe has failed from heat or corrosion
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$8.99

GM Genuine Parts Engine Coolant Thermostat Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help close and prevent coolant from leaking out of your vehicle’s cooling system components. 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:

Helps close and prevent coolant from leaking out of your vehicle’s cooling system components to maintain the proper engine temperature
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$111.99

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

Product Features:

Ideal replacement – this engine coolant thermostat housing directly replaces the original housing 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 housings

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$78.99

Manufactured with OEM quality materials and safety standards by an OE Supplier. This housing 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. The construction of this housing is improved over the OE design to fix and update any issues that the OE design may have had.

Product Features:

Easy, one step fit and installation
No special tools required
Meets or exceeds all OEM standards

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$18.46

ACDelco GM Original Equipment Engine Coolant Water Outlets are housings that connect the radiator hoses to the engine, typically housing the engine coolant thermostat. For certain applications, the water outlet contains threaded holes or ports for sensors and switches. These original equipment engine coolant water outlets are GM-recommended replacements for your vehicle’s original components and have been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

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

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$363.02

A/C Compressor

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$319.99

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.
Matched high-quality needle-roller bearing ensures low friction and high load capability.
Light weight aluminum energy-saving casting used for construction.

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$571.99

As one of the world’s largest OE suppliers of A/C compressors, DENSO units are specified by most major vehicle manufacturers. DENSO First Time Fit A/C compressors are manufactured and tested to the strictest OE standards for unparalleled performance. At DENSO, we bring together everything we know as an air conditioning systems manufacturer to bring you the highest quality line of factory-new compressors available. When it comes to new compressors, you can’t do better than going with a unit manufactured by the OE supplier. At DENSO we know these units better than anyone because we originally designed them. Our compressors are built to meet DENSO’s unsurpassed reputation for technological superiority. You can relax knowing DENSO will give you the right part and the right fit the first time.

Product Features:

DENSO is the world’s largest OE supplier of A/C compressors
Each compressor is precision manufactured for exact replacement
Designed for high output and extended durability
Highest quality in the Aftermarket

Upgrade your 2020 GMC Sierra 3500 HD with Top-Quality Cooling and Climate Controls

When it comes to maintaining or upgrading your 2020 GMC Sierra 3500 HD, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Cooling and Climate Controls are key to keeping your Sierra 3500 HD functioning at its best. At Advance Auto Parts, we offer a wide selection of 34 Cooling and Climate Controls for the 2020 GMC Sierra 3500 HD, 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 2020 GMC Sierra 3500 HD at great prices. Our Cooling and Climate Controls inventory for this model ranges from just $4.85 to $363.02, with an average price of $48.45. Our 34 Cooling and Climate Controls in stock come from 10 trusted brands, so you’re sure to find the right part for your 2020 GMC Sierra 3500 HD 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 2020 GMC Sierra 3500 HD, we stock popular OEM and aftermarket Cooling and Climate Controls from top names like Permatex, Carquest Premium, Motorad, and more. Permatex Cooling and Climate Controls start at just $6.99 and boast an impressive 5 stars average rating from customers. Carquest Premium and Motorad also bring quality to the table, with Cooling and Climate Controls available starting at $10.99, and at an average 4 stars rating. With 2,716 customer reviews and counting, our 2020 GMC Sierra 3500 HD 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 2020 GMC Sierra 3500 HD is always ready to roll. We’re committed to providing you with everything you need to keep your Sierra 3500 HD in top shape, all in one place. Start shopping confidently below for your 2020 GMC Sierra 3500 HD!

Best-Selling Air Conditioning Parts for 2020 GMC Sierra 3500 HDs

Enhance the driving experience in your GMC with 6 quality Air Conditioning Part components, starting at $10.99.

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$10.99

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

from

$363.02

A/C Compressor

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$284.99

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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$16.19

Relay

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$15.99

GM Genuine Parts Rubber-Bonded Sealing Washers 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

from

$13.13

A/C Service Valve

Most Popular 2020 GMC Sierra 3500 HD Engine Cooling Parts

Customize your GMC with 27 Engine Cooling Parts products like Thermostats, Radiator Caps, and Water Pump Gaskets, all priced under $128.99.

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$40.99

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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$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

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$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

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$13.99

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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$81.39

Control the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature
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

from

$6.99

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

from

$43.99

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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$42.99

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

from

$38.99

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

from

$16.99

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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$21.02

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

from

$20.99

Meets and/or exceeds OEM standard
Includes quality gasket or O-ring to ensure proper seal (where applicable)
100% leak tested
Direct-fit replacement for ease of installation

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$7.49

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

from

$19.29

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

from

$7.41

The Mahle Engine Coolant Thermostat O-Ring is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:

Seals the thermostat housing and helps prevent coolant from leaking from the engine for proper engine temperature
Premium Original Equipment replacement
Provides performance and dependability
Manufactured to meet OE specifications

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$112.99

Direct replacement – this engine cooling fan blade fits and functions like the original equipment fan blade.
Quality construction – manufactured from premium materials for a long service life.
Excellent value – original equipment quality at a lower price
Quality tested – has undergone testing to ensure proper fit and performance

from

$45.26

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

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$128.99

Product Features:

Designed, tested, and built by application
OE performance, fit, and appearance
Precision machined
Out of box installation

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$82.99

Direct replacement – this engine coolant pipe is designed to match the fit and function of the original pipe on specified vehicles.
Ideal solution – engineered to help ensure leak-free coolant transfer when an original pipe has failed from heat or corrosion
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$38.99

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

from

$18.46

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

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$16.28

THERMOSTAT HOUSING

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$12.81

Expansion Tank Cap

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$10.99

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.

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$10.84

Seals and helps prevent coolant from leaking out of cooling system components to maintain the proper engine temperature
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

from

$8.99

Helps close and prevent coolant from leaking out of your vehicle’s cooling system components to maintain the proper engine temperature
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$4.85

Thermostat Housing G

Top Picks for 2020 GMC Sierra 3500 HD Blower Motor and Related Products

Upgrade GMC Sierra 3500 HDs with top-quality Blower Motor and Related Products parts, including 1 OEM and aftermarket selections for your 2020 model.

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from

$266.99

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

Top-Rated Cooling and Climate Controls Brands For Your 2020 GMC Sierra 3500 HD

Shop for the best-rated brands offering Cooling and Climate Controls and other products for your 2020 GMC Sierra 3500 HDs. Below you’ll find some of our best rated Cooling and Climate Controls from Permatex, Carquest Premium, and Motorad, and more. Cooling and Climate Controls from these brands that fit a 2020 Sierra 3500 HD 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 2020 GMC Sierra 3500 HD Cooling and Climate Controls

When it comes to maintaining or upgrading your 2020 GMC Sierra 3500 HD, 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 2020 GMC Sierra 3500 HD. 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.

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$26.99

(7)

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

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

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$6.99

(288)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

“Goood product”

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$38.99

This product is not rated

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

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Popular Carquest Premium 2020 GMC Sierra 3500 HD Cooling and Climate Controls

Carquest Premium auto parts is one of the highest quality Cooling and Climate Control brands in the market. Any 2020 GMC Sierra 3500 HD owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2020 Sierra 3500 HD, Advance Auto Parts carries a full inventory of 9 Carquest Premium Cooling and Climate Controls. Plus you will be keeping your GMC in peak condition while saving money because prices on these Carquest Premium Cooling and Climate Controls range from $10.99 to $284.99, plus, with more than 65 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.

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$284.99

This product is not rated

New, with Clutch, with 7SAS17A Compressor

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$20.99

This product is not rated

Coolant Housing/Water Outlet

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$266.99

This product is not rated

Blower Motor: With Wheel

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FAQs for 2020 GMC Sierra 3500 HD Cooling and Climate Controls

Which Cooling and Climate Controls are best-sellers for 2020 GMC Sierra 3500 HDs?

Out of 34 Cooling and Climate Controls that fit 2020 GMC Sierra 3500 HDs, the following parts are the top sellers:

Standard Thermostat: With Seal, 187 Degrees (10321763) – $38.99
Standard Thermostat: With Seals, 180, 185 Degrees (11921768) – $40.99
Radiator Cap: 20 PSI (10647381) – $19.79

What’s the price range for 2020 GMC Sierra 3500 HD Cooling and Climate Controls?

Cooling and Climate Control prices for the 2020 GMC Sierra 3500 HD start at $4.85 and go up to $363.02 for the most premium parts.

What’s the average price of a Cooling and Climate Control for a 2020 GMC Sierra 3500 HD?

The average price for Cooling and Climate Controls for the 2020 GMC Sierra 3500 HD is $48.45. 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 GMC Sierra 3500 HD model years?

Yes, we currently carry Cooling and Climate Controls for 18 model years of GMC Sierra 3500 HDs between 2007 and 2025. Cooling and Climate Controls are bought most frequently for the following model years: 2023, 2022, 2021, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Cooling and Climate Controls for my 2020 GMC Sierra 3500 HD?

The cheapest 2020 GMC Sierra 3500 HD Cooling and Climate Controls we carry in stock are:

Thermostat Housing G (12591621) – $4.85
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (7160009) – $6.99
Engine Coolant Thermostat O-Ring (11999727) – $7.41
Engine Water Pump Gasket (12084482) – $7.49
Water Inlet Seal (12044502) – $8.99

What are the top-rated Cooling and Climate Controls that fit the 2020 GMC Sierra 3500 HD?

Out of 2,716 reviews by customers, our 2020 GMC Sierra 3500 HD Cooling and Climate Controls have an average customer rating of . These are some of the highest-rated Cooling and Climate Control types for the 2020 GMC Sierra 3500 HD and their top-rated products:

Air Conditioning Parts
- Air Conditioning System Valve Core (15730161) – $10.99
Engine Cooling Parts
- Air Conditioning System Valve Core (15730161) – $10.99

What types of Cooling and Climate Controls do you sell for my 2020 GMC Sierra 3500 HD?

As of 2/5/25, these are some of the most in-demand types of Cooling and Climate Controls for a 2020 GMC Sierra 3500 HD:

Can I get help with 2020 GMC Sierra 3500 HD 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 GMC Cooling and Climate Controls and more.

What is your return policy for GMC Sierra 3500 HD Cooling and Climate Controls?

Advance Auto Parts keeps returns simple. For new GMC Sierra 3500 HD 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.

2020 GMC Sierra 3500 HD Cooling and Climate Controls

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

ACDelco – 12587397 GM Original Equipment Engine Coolant Water Inlet Seal (Part No.G4030310258ACD)

ACDelco – GM Original Equipment Expansion Tank Cap (Part No.G1040206092ACD)

ACDelco – GM Original Equipment Engine Coolant Temperature Sensor (Part No.C6020575694ACD)

ACDelco – GM Original Equipment Engine Cooling Fan Clutch (Part No.G5010358957ACD)

Carquest Premium – Coolant Housing/Water Outlet (Part No.85945)

ACDelco – GM Original Equipment Oil Cooler Seal (Part No.A6310320812ACD)

GM Genuine Parts – Blower Motor: With Wheel (Part No.15-81682)

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

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

ACDelco – GM Original Equipment Engine Coolant Thermostat (Part No.G4000310418ACD)

ACDelco – A/C Service Valve (Part No.R1129947779ACD)

Carquest – A/C Condenser Fan Motor Relay (Part No.R3109)

Driveworks – Electrical Relay (Part No.83267)

Felpro – Engine Water Pump Gasket (Part No.36109)

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

Dorman – Clutch Fan Blade: Plastic, Cost Effective And Reliable (Part No.621-104)

Dorman – Clutch Fan Blade: Plastic, Cost Effective And Reliable (Part No.621-111)

Mahle – Water Pump Gasket (Part No.G3040310278MAH)

Felpro – Engine Water Pump Gasket (Part No.35758)

Dorman – Water Pump Outlet Pipe (Part No.626-661)

GM Genuine Parts – Water Inlet Seal (Part No.12587397)

Dorman – Coolant Housing/Water Outlet: With Water Outlet, 90 Degree Neck Angle (Part No.902-2127)

Motorad – Coolant Housing/Water Outlet: (Part No.CH6007)

ACDelco – 15-10595 GM Original Equipment Engine Coolant Water Outlet (Part No.G4010349243ACD)

Autopart International Inc – A/C Compressor (Part No.R10003199103API)

Carquest Premium – A/C New, with Clutch, with 10S20F Compressor (Part No.T78377)

DENSO – New Compressor With Clutch (Part No.471-0700)

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

Autopart International Inc – A/C Compressor (Part No.R10003199103API)

Carquest Premium – New, with Clutch, with 7SAS17A Compressor (Part No.T168343)

ACDelco – Relay (Part No.P2020765633ACD)

GM Genuine Parts – Air Conditioning Line O-Ring (Part No.13579649)

ACDelco – A/C Service Valve (Part No.R1129947779ACD)

Motorad – Standard Thermostat: With Seals, 180, 185 Degrees (Part No.447448)

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

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

Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.54218)

ACDelco – GM Original Equipment Engine Coolant Thermostat (Part No.G4000310418ACD)

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

Carquest Premium – Standard Thermostat: With Seal, 185 Degrees (Part No.14728)

Carquest Premium – Standard Thermostat: With Seal, 180 Degrees (Part No.14738)

Carquest Premium – Standard Thermostat: With Seal, 187 Degrees (Part No.15158)

Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.54218CD)

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

Carquest Premium – Coolant Housing/Water Outlet (Part No.85945)

Felpro – Engine Water Pump Gasket (Part No.36110)

Felpro – Engine Water Pump Gasket (Part No.36109)

Mahle – Engine Coolant Thermostat O-Ring (Part No.G4030310258MAH)

Dorman – Clutch Fan Blade: Plastic, Cost Effective And Reliable (Part No.621-111)

ACDelco – GM Original Equipment Oil Cooler Seal (Part No.A6310320812ACD)

Carquest Premium – Reverse Rotation Severe Duty Thermal Fan Clutch (Part No.46145)

Dorman – Water Pump Outlet Pipe (Part No.626-661)

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

ACDelco – 15-10595 GM Original Equipment Engine Coolant Water Outlet (Part No.G4010349243ACD)

Worldpac – THERMOSTAT HOUSING (Part No.G40101697790DOR)

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

Carquest Premium – Coolant Temperature Sensor (Part No.WTC1276)

ACDelco – 12587397 GM Original Equipment Engine Coolant Water Inlet Seal (Part No.G4030310258ACD)

GM Genuine Parts – Water Inlet Seal (Part No.12587397)

Mahle – Thermostat Housing G (Part No.G40202287153MAH)

Carquest Premium – Blower Motor: With Wheel (Part No.75158)