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

from

$29.99

Delphi temperature sensors are built with the latest OE technology; Delphi temperature sensors use durable, one-piece design; Delphi temperature sensors are impervious to electrical noise and interference.

Product Features:

Delphi temperature sensors deliver accurate readings and optimal performance
Delphi’s one-piece design and automated production process eliminates internal connectors and failure points
Each sensor is electrically insulated to eliminate interference from other components in the vehicle
Delphi temperature sensors are impervious to electrical noise and interference

from

$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

from

$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

from

$27.49

This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

Product Features:

Heavy gauge stainless steel components offer increased reliability and long-lasting durability
Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
AccuSpring Design for stable temperature control and increased cabin comfort

from

$65.50

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

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

from

$88.99

Severe Duty Fan Clutch – Thermal Reverse Rotation

from

$397.99

Product Features:

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

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

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

from

$121.99

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

from

$112.99

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

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

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

$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

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

from

$12.81

Expansion Tank Cap

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

from

$4.99

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 to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

from

$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

from

$49.99

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

from

$23.79

Direct-fit replacement for ease of installation

Product Features:

Meets and/or exceeds OEM standard
Direct-fit replacement for ease of installation
100% leak tested
Meets and/or exceeds OEM standard
100% leak tested
Direct-fit replacement for ease of installation

from

$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

from

$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

2020 GMC Sierra 2500 HD Engine Cooling Parts

More 2020 GMC Sierra 2500 HD Engine Cooling Parts

Essential 2020 GMC Sierra 2500 HD Engine Cooling Parts

Felpro – Engine Water Pump Gasket (Part No.35664)

Delphi – Engine Coolant Temperature Sensor (Part No.TS10075)

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

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

Motorad UltraStats – Thermostat: With Seal, 187 Degrees (Part No.5456-187)

ACDelco – GM Original Equipment Engine Coolant Thermostat (Part No.G4000225360ACD)

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

Carquest Premium – Severe Duty Fan Clutch – Thermal Reverse Rotation (Part No.216072)

Carquest Premium – Universal Fan Clutch (Part No.216104)

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

Carquest Premium – Radiator Cap: 15 PSI (Part No.10248)

Dorman – Clutch Fan Blade: Plastic, Cost Effective And Reliable (Part No.621-525)

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

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

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

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

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

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

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

Felpro – Engine Coolant Thermostat Housing Seal (Part No.35720)

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

Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.85191)

Carquest Premium – Engine Coolant Water Outlet (Part No.85083)

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

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

Popular 2020 GMC Sierra 2500 HD Engine Cooling Parts Categories

2020 GMC Sierra 2500 HD Engine Cooling Parts

Engine Cooling Parts Brands To Make Your 2020 GMC Sierra 2500 HD Last

Popular ACDelco Engine Cooling Parts

Top 2020 GMC Sierra 2500 HD Engine Cooling Parts from Permatex

FAQs for 2020 GMC Sierra 2500 HD Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2020 GMC Sierra 2500 HD?

What are the top-rated 2020 GMC Sierra 2500 HD Engine Cooling Parts?

More Popular Parts for All Makes