2003 Chevrolet Silverado 2500 HD Cooling and Climate Controls

Essential 2003 Chevrolet Silverado 2500 HD Cooling and Climate Controls

National – Bearings (Part No.907257)

Bearings

from

$48.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Dorman – Pigtail -Evap. Canister Vent Valve Solenoid , Red, 2-way with Leads (Part No.645-631)

Pigtail -Evap. Canister Vent Valve Solenoid , Red, 2-way with Leads

from

$37.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component – this connector can be used in a variety of repairs and custom installations
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Felpro – Engine Water Pump Gasket (Part No.35756)

Engine Water Pump Gasket

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$2.29
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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Dorman – HVAC Blend Door Actuator: 1 Piece (Part No.604-704)

HVAC Blend Door Actuator: 1 Piece

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$43.49
This air door actuator directly replaces the original actuator on specific vehicle years, makes, models, configurations and positions to restore proper HVAC operation. Please note that many vehicles have several different air door actuators, which are designed for specific positions and functions in the vehicle. To ensure you have what you need, carefully review the application notes for this part to verify it matches the position and function of the actuator you need to replace. In some online ordering systems, you may need to enter your vehicle information first to see the application notes for your vehicle. If you don’t know which actuator position you need to replace, consult a qualified service technician.

Product Features:
  • Direct replacement – made to match the fit and function of the original air door actuator on certain vehicle years, makes, models and configurations
  • Position specific – vehicles often have multiple different HVAC door actuators; review this part’s application notes to verify it matches the location and function of the actuator you need to replace
  • Durable construction – designed and tested to strict standards to help resist wear and electrical burnout for reliable operation and long service life
  • Trustworthy quality – backed by a team of experts and engineers in the United States, and more than a century of experience
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Carquest Premium – A/C Accumulator (Part No.T83359)

A/C Accumulator

from

$49.99
Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.

Product Features:
  • All parts meet or exceed original equipment standards for moisture absorption, pressure and temperature resistance, air tightness, vibration resistance, corrosiveness, and pulse pressure.
  • Desiccant is 100% tested and assembled in a controlled environment to ensure performance meets or exceeds original equipment standards.
  • All accumulators and receiver driers are helium leak tested prior to packaging.
  • O-Rings necessary for installation are included.
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Dorman – Help – Radiator Drain Cocks (Part No.61136)

Radiator Drain Cocks

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$4.99
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.

Product Features:
  • Direct replacement – this radiator drain petcock matches the fit and function of the original equipment part
  • Durable construction – this part is made of quality materials for a long service life
  • Saves money – offers original equipment quality at a competitive price
  • Quality assured – this petcock has undergone virtual testing to assure proper fit and function
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Flex A Lite – Trimline Straight Blade Electric Fan (Part No.114)

Trimline Straight Blade Electric Fan

from

$125.99
Trimline Straight Blade Electric Fan

GM Genuine Parts – Multi-Purpose Relay (Part No.15016745)

Multi-Purpose Relay

from

$49.49
GM Genuine Parts Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These relays help connect or disconnect power to a vehicle accessory when it receives a low voltage signal from a switch. 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 connect or disconnect power to vehicle accessories
  • 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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Carquest Premium – Multi Purpose Relay (Part No.RAA1237)

Multi Purpose Relay

from

$19.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Felpro – Engine Water Pump Installation Kit (Part No.ES 71347)

Engine Water Pump Installation Kit

from

$31.49
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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Dorman – Clutch Fan Shroud (Part No.620-993)

Clutch Fan Shroud

from

$148.99
This engine cooling fan shroud, also known as an engine cooling fan cowl, is designed to match the fit of an original equipment cowl on specified vehicles. It is engineered to replace a cowl that is missing or damaged from impact, vibration, or heat..

Product Features:
  • Direct replacement – this engine cooling fan shroud, also known as an engine cooling fan cowl, is designed to match the fit and function of an original equipment cowl on specified vehicles.
  • Ideal solution – engineered to replace a damaged or missing cowl to help ensure proper protection and cooling of the engine and underhood accessories
  • 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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Factory Air – Compressor Mounted Low Cut-Out Pressure Switch (Part No.35970)

Compressor Mounted Low Cut-Out Pressure Switch

from

$34.49
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Color coded for easy identification
  • Zinc coated to resist corrosion
  • Improved 2 terminal design replacing older 1 terminal switch
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Permatex – The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge (Part No.34311)

The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge

from

$28.49
Specifically designed to perform under higher torque loads associated with engines having closely spaced bolt patterns (typically import vehicles). This product is blowout resistant, allowing leakproof gaskets to be made and put into service in just one minute. Sensor-safe, The Right Stuff GREY seals instantly, forming a reliable, long lasting elastomeric rubber gasket that outperforms pre-molded gaskets. Specified by major import OEMs, this material is resistant to powertrain fluids (oil, coolant and ATF) and operates in environments to 450°F (232°C) continuous; 500°F (260°C) intermittent.

Product Features:
  • Ideal for rigid cast aluminum parts
  • Meets OEM Specifications
  • Sensor safe & non-corrosive
  • Performs under higher torque loads associated with engines having closely spaced bolt patterns (typical of import vehicles)
  • Blowout resistant, allowing leakproof gaskets to be made in just one minute
  • Seals instantly, forming a reliable, long lasting elastomeric rubber gasket
  • Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants
  • Temperature range -60°C to 260°C (-75°F to 500°F) intermittent
  • Applications: Automotive, industrial and marine gaskets, valve covers, gearbox covers, pumps, compressors, oil pans, thermostat housings, water pumps, etc.
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ACDelco – A/C Temp. Switch (Part No.R1055307459ACD)

A/C Temp. Switch

from

$10.70
A/C Temp. Switch

ACDelco – 15-80690 GM Original Equipment Engine Cooling Fan Blade (Part No.G5050374489ACD)

15-80690 GM Original Equipment Engine Cooling Fan Blade

from

$140.33
ACDelco GM Original Equipment Engine Cooling Fan Blades are located between the radiator and engine and are GM-recommended replacements for your vehicle’s original components. The fan is a part of the engine cooling system, which moves air across the radiator and A/C condenser to remove heat from the engine cooling system and the AC refrigerant system. The fan may be belt-driven or operated by an electric motor. This cooling fan blade has 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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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35762)

Engine Coolant Thermostat Housing Gasket

from

$3.29
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 to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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ACDelco – GM OE A/C Compressor Clutch Kit with Clutch, Coil, and Pulley (Part No.R1010511135ACD)

GM OE A/C Compressor Clutch Kit with Clutch, Coil, and Pulley

from

$353.92
ACDelco GM Original Equipment A/C Compressor Clutch Kits include the compressor clutch, which engages and disengages the compressor when the A/C is switched ON and Off, and other related components. The compressor clutch consists of a pulley, pressure plate, and electromagnetic coil. This original equipment A/C compressor clutch kit is a GM-recommended replacement for you vehicle’s original components and has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Restore A/C compressor clutch to like new performance
  • 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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Dorman – Engine Heater Hose Assembly (Part No.626-591)

Engine Heater Hose Assembly

from

$89.99
This replacement engine coolant pipe assembly is designed to match the fit and function of the original assembly on specified makes, years and models, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this replacement engine coolant pipe assembly is designed to match the fit and function of the original assembly on specified makes, years and models
  • Restores functionality – reliable replacement for an original part that is leaking, cracked or failed from corrosion and heat
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK1055)

Water Pump with Fan Clutch

from

$224.99
US Motor Works Professional Series Water Pump with Fan Clutch are designed to replace the mechanical components of a cooling system. A proper water pump replacement should include a new fan clutch as the two are connected to the same shaft and work together to move the air and cooling fluid. Replacing one without the other can damage the new part and cause repeat work or engine trouble. This matched set will allow your vehicle continued operation in the demanding environment of today’s engine. All components are brand new and QA inspected for perfect fit and function. Restore your cooling power by installing a US Motor Works Professional Series Water Pump with Fan Clutch.

Product Features:
  • Fan clutch mounts to the water pump and should be replaced at the same time.
  • Matched set for proper water pump or fan clutch replacement
  • Includes mounting hardware, gaskets and accessories as required.
  • Complete mechanical cooling parts replacement
  • Factory tested and 100% new product
  • Meets or exceeds OEM quality
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Dorman – Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (Part No.799-105)

Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In

from

$5.29
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Dorman – Pressurized Coolant Reservoir: Clear, Plastic, Original Equipment Replacement (Part No.603-102)

Pressurized Coolant Reservoir: Clear, Plastic, Original Equipment Replacement

from

$71.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Product Features:
  • Direct replacement – this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution – engineered for a seamless installation
  • Durable construction – manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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ACDelco – Water Pump Housing (Part No.G3030584361ACD)

Water Pump Housing

from

$170.52
Water Pump Housing

ACDelco – Engine Water Pump (Part No.252-845)

Engine Water Pump

from

$197.99
An ACDelco Professional, premium aftermarket Engine Water Pump circulates coolant through your vehicle’s radiator and engine system to help maintain proper engine temperature and performance. The gaskets, seals, and O-rings packaged with this Professional, premium aftermarket water pump help guarantee that all necessary parts are available for trouble-free installation. ACDelco Professional Water Pumps are a high quality replacement for many vehicles on the road today. This premium aftermarket replacement engine water pump is manufactured to meet your expectations for fit, form, and function.

Product Features:
  • All Makes water pumps fit GM vehicles as well as a wide range of non-GM vehicles
  • Thoroughly tested for reliable, leak-free performance
  • Coated seals support seal longevity and durability
  • Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies
  • High-quality bearings are permanently sealed and lubricated for greater durability and long life
  • Come with premium, high-quality replacement components needed for trouble-free and accurate installation
  • Uniform wall sections and smooth coolant-flow cavities for efficient operation
  • Cast-iron or aluminum design, depending on vehicle application
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FAE – Engine Coolant Temperature Sensor (Part No.C6020175714FAE)

Engine Coolant Temperature Sensor

from

$23.58
The FAE Engine Coolant Temperature Sensor is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Motorad – Standard Thermostat: With Seals, 180, 185 Degrees (Part No.447448)

Standard Thermostat: With Seals, 180, 185 Degrees

from

$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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Carquest Premium – A/C Discharge and Suction Line Hose Assembly (Part No.T56414)

A/C Discharge and Suction Line Hose Assembly

from

$116.99
Carquest Hose Assemblies are designed to carry refrigerant in an air conditioning system. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.

Product Features:
  • 100% of hose assemblies use Goodyear hoses that meet original equipment specifications for wall thickness and permeation.
  • Tubes and mufflers are designed to meet original equipment specifications for wall thickness.
  • Fittings are designed to couple and seal to eliminate leaks. Trivalent plating is used on steel fittings to enhance corrosion resistance. The fittings conform to original equipment specifications to allow for the proper fit with related air conditioning
  • Welds and crimps meet and exceed original equipment tension specifications.
  • Manufactured to allow flexibility in the hose to conform to engine compartments.
  • O-Rings necessary for installation are included.
  • O-Rings necessary for installation are included.
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Dorman – A/C/Heater Power Switch Harness (Part No.645-516)

A/C/Heater Power Switch Harness

from

$74.99
This HVAC blower switch connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this HVAC blower switch connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing 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
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Popular 2003 Chevrolet Silverado 2500 HD Cooling and Climate Controls Categories

2003 Chevrolet Silverado 2500 HD Cooling and Climate Controls

You count on your 2003 Chevrolet Silverado 2500 HD to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Cooling and Climate Controls. With 316 Cooling and Climate Controls ranging in price from $1.29 to $672.51, you’re sure to find everything you need for your 2003 Chevrolet Silverado 2500 HD.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 31 different brands like Carquest Premium, Permatex, and DriveWorks. 2003 Chevrolet Silverado 2500 HD Cooling and Climate Controls start as low as $1.29!

One of the best ways to find top quality OEM or aftermarket Cooling and Climate Controls is by asking professionals. Short of that, you can shop with confidence thanks to our 25,030 extensive product reviews on 2003 Chevrolet Silverado 2500 HD Cooling and Climate Controls. Some of the top-rated Cooling and Climate Controls products we carry are Engine Cooling Fan Clutch: Reverse Rotation Severe Duty Thermal Clutch with 4.4 stars and Standard Thermostat: With Seal, 195 Degrees with 4.6 stars.

Did we mention you can order your Cooling and Climate Controls from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Cooling and Climate Controls inventory for your 2003 Chevrolet Silverado 2500 HD below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 2003 Chevrolet Silverado 2500 HD

Trusted Cooling and Climate Controls OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Chevrolet Silverado 2500 HD running right for years to come. In our inventory you’ll find brands like Carquest Premium, Permatex, DriveWorks, and even more.

Popular ACDelco Cooling and Climate Controls

You’ll find popular ACDelco brand products across Engine Cooling Parts and Blower Motor and Related Products. All are waiting to get your 2003 Chevrolet Silverado 2500 HD back on the road. Some of the top-rated ACDelco products in these categories are:
Engine Coolant Temperature Sensor
from $34.99
(1)
Engine Coolant Temperature Sensor
Coolant Temperature Sensors
Multi-Purpose Relay
from $29.99
(1)
Multi-Purpose Relay
Blower Relays
Heating and Air Conditioning Panel Mode Door Actuator
from $77.99
(1)
Heating and Air Conditioning Panel Mode Door Actuator
Heater Blend Doors

Top-Rated Carquest Premium Cooling and Climate Controls


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Cooling and Climate Controls for your 2003 Chevrolet Silverado 2500 HD, and some of our most reviewed Carquest Premium parts include:
Engine Water Pump: New, Gasket/Seals Included
from $153.99
(371)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Standard Thermostat: With Seal, 187 Degrees
from $18.79
(189)
Standard Thermostat: With Seal, 187 Degrees
Thermostats
Integrated Thermostat Housing: With Seal, 187 Degrees
from $23.49
(173)
Integrated Thermostat Housing: With Seal, 187 Degrees
Thermostat and Water Outlet Assemblies

FAQs for 2003 Chevrolet Silverado 2500 HD Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 2003 Chevrolet Silverado 2500 HD?

Out of 316 Cooling and Climate Controls for the 2003 Chevrolet Silverado 2500 HD, the most popular in our inventory are:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Water Pump Gaskets
Engine Water Pump
from $101.99
(345)
Engine Water Pump
Water Pumps
Radiator: With Transmission Oil Cooler
from $279.99
(95)
Radiator: With Transmission Oil Cooler
Radiators

What are the top-rated 2003 Chevrolet Silverado 2500 HD Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 2003 Chevrolet Silverado 2500 HD based on customer reviews/ratings are:
Engine Cooling Fan Clutch: Reverse Rotation Severe Duty Thermal Clutch
from $95.99
(129)
Engine Cooling Fan Clutch: Reverse Rotation Severe Duty Thermal Clutch
“REPLACED DEFECTIVE PART, FAIRLY EASY TO INSTALL, AM SATISFIED SO FAR”
Standard Thermostat: With Seal, 195 Degrees
from $7.29
(105)
Standard Thermostat: With Seal, 195 Degrees
“perfect fit”
Engine Water Pump Gasket
from $6.49
(100)
Engine Water Pump Gasket
“Great product …easy to use”