2003 GMC Sierra 1500 HD Cooling and Climate Controls

Essential 2003 GMC Sierra 1500 HD Cooling and Climate Controls

Dorman – Climate Control Module (Part No.599-215)

Climate Control Module

from

$556.99
Climate controls stopped working? Seamlessly restore operation by easily swapping the malfunctioning original module with this fully tested replacement unit.

Product Features:
  • Direct replacement – this HVAC control module matches the appearance and function of the original unit on specific vehicles
  • Functionality-tested – module has been tested to ensure the same operation as the stock module
  • Simple installation – no advanced vehicle knowledge is required for proper installation and setup
  • Trustworthy quality – backed by team of engineers and inspectors in the United States
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ACDelco – GM Original Equipment Heater Core (Part No.R3000223256ACD)

GM Original Equipment Heater Core

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$245.72
ACDelco GM Original Equipment HVAC Heater Cores are small radiators, located in the plenum behind the dashboard, and are GM-recommended replacements for your vehicle’s original components. Engine coolant flows through the heater core in order to heat the air in the passenger compartment. This original equipment HVAC heater core has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service live you expect from General Motors.

Product Features:
  • Long-life alloys provide corrosion resistance
  • High-strength brazed joints ensure durability
  • 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 – A/C/Heater Power Switch Harness (Part No.645-516)

A/C/Heater Power Switch Harness

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$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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Santech – Air Conditioning Pressure Switch (Part No.R1054388863SII)

Air Conditioning Pressure Switch

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$19.99
Air Conditioning Pressure Switch

GM Genuine Parts – Heating and Air Conditioning Blower Motor Resistor (Part No.22807123)

Heating and Air Conditioning Blower Motor Resistor

from

$67.99
GM Genuine Parts HVAC Blower Motor Resistors 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 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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ACDelco – Heating and Air Conditioning Air Inlet Door Actuator (Part No.15-73599)

Heating and Air Conditioning Air Inlet Door Actuator

from

$68.99
ACDelco GM Original Equipment HVAC Air Inlet Door Actuators are electric motors attached to the HVAC housing that open or close the air inlet door, allowing the driver to select fresh air or recirculate modes. They are GM-recommended replacements for your vehicle’s original components. These original equipment air inlet door actuators have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Restore air inlet door operation caused by worn actuator
  • 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 – Thermostat Assembly: Includes Housing and O-Ring, 160 Degrees (Part No.902-2701)

Thermostat Assembly: Includes Housing and O-Ring, 160 Degrees

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$56.99
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housing assemblies
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KAI – A/C Service Valve (Part No.FJC2576)

A/C Service Valve

from

$10.99
New Standard Replacement 2610 Service Port W/2615 Cap

Product Features:
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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NTK – ABS Wheel Speed Sensor (Part No.AB2017)

ABS Wheel Speed Sensor

from

$44.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • NTK ABS Wheel Speed Sensor connectors, mounts and wire lengths are an exact match to OE for worry free installation. Grease, mounting nut and instruction sheet included where applicable.
  • NTK’s Wheel Speed Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function. Manufactured with weather pack connectors to prevent dirt and moisture contamination.
  • The ABS ECU monitors the Wheel Speed Sensors rotational speed for anti-lock brake function, stability control and traction control. The ABS sensors report the speed of all four wheels to the ECU to determine if the wheels are locking up.
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ACDelco – 15-80692 GM Original Equipment Engine Cooling Fan Blade (Part No.G5050374437ACD)

15-80692 GM Original Equipment Engine Cooling Fan Blade

from

$109.23
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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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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GM Genuine Parts – Air Conditioning Condenser (Part No.15-63666)

Air Conditioning Condenser

from

$245.99
GM Genuine Parts A/C Condensers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These condensers are heat exchangers typically located in front of the engine radiator. The condenser dissipates heat absorbed by the refrigerant from the evaporator and from the compressor to the outside air. Hot refrigerant gas passes through tubes, where heat is removed, causing it to turn into a liquid. The air flowing through the fins carries the heat away. 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:
  • Brazed and mechanically bonded aluminum construction for OE durability
  • 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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Driveworks – Ball Bearing (Part No.S-907257)

Ball Bearing

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$22.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Carquest Premium – Standard Rotation Blower Motor Wheel (Part No.35534)

Standard Rotation Blower Motor Wheel

from

$24.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Durable Plastic Material
  • Meets all requirements of international standard ISO 140
  • Suitable for a wide variety of applications
  • Retainer clip installation
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NTK – Engine Coolant Temperature Sensor (Part No.EF0075)

Engine Coolant Temperature Sensor

from

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

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clip(s) included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE NTK DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
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Carquest Premium – A/C Compressor Relay Connector (Part No.PTA1171)

A/C Compressor Relay Connector

from

$61.99
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Factory Air – Compressor Mounted High Cut-Out Pressure Switch (Part No.20055)

Compressor Mounted High 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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Carquest Premium – Ambient Light Sensor (Part No.TAA1003)

Ambient Light Sensor

from

$34.99
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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Carquest Premium – A/C Plate and Fin Evaporator (Part No.T54573)

A/C Plate and Fin Evaporator

from

$146.99
Carquest Evaporators are designed to remove heat from the air inside the passenger compartment of a vehicle resulting in cooler air temperatures. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.

Product Features:
  • The design and manufacture of the evaporators result in uniform refrigerant distribution with optimal flow for improved performance and maximum heat transfer.
  • The evaporators are constructed to offer a lightweight, compact design that will fit easily within the engine compartment.
  • The surface treatment on each part ensures optimum water drainage to prevent mold and odors in the system.
  • The evaporators are 100% tested to meet or exceed original equipment specifications. Each part is helium tested to ensure no leaks.
  • O-Rings and gaskets necessary for installation are included.
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Felpro – Engine Water Pump Gasket (Part No.35635)

Engine Water Pump Gasket

from

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

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Dorman – Panel Trim Retainer – Interior – Ford (sold by each) (Part No.700-398)

Panel Trim Retainer - Interior - Ford (sold by each)

from

$1.29
All our Multi-Purpose Retainers are made of high quality materials for long-lasting durability. Offering a full line of Multi-Purpose Retainers for a wide range of applications.

Product Features:
  • Durable nylon design for a long service life
  • Also suitable for a broad variety of industrial and commercial uses
  • Conveniently packaged in a variety of piece counts
  • Direct replacement Retainers available (where applicable) to ensure a proper fit
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Carquest Premium – A/C Automatic Adjusting Orifice Tube (Part No.T38905)

A/C Automatic Adjusting Orifice Tube

from

$37.99
Carquest Orifice Tubes are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each orifice tube is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each orifice tube is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • O-Rings necessary for installation are included.
  • O-Rings necessary for installation are included.
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ACDelco – Water Pump Gasket (Part No.G3040344873ACD)

Water Pump Gasket

from

$10.76
ACDelco is a global leader in automotive replacement parts and related services and offers quality aftermarket products for most makes and models, including General Motors, Ford, Chrysler, Toyota and Honda. ACDelco has over 100 years of experience in the automotive industry and is a brand of GM Customer Care and After sales, a division of General Motors.
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Omix – AC Bolt M10x1.5×65 (Part No.17955.01)

AC Bolt M10x1.5x65

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$8.79
AC Bolt M10x1.5×65

ACDelco – GM Original Equipment Engine Coolant Thermostat (Part No.G4000232649ACD)

GM Original Equipment Engine Coolant Thermostat

from

$33.29
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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Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Sensor-Safe, High-Torque RTV Silicone Gasket Maker

from

$11.49
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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ACDelco – Heating and Air Conditioning Blower Control Module (Part No.15-8794)

Heating and Air Conditioning Blower Control Module

from

$109.99
ACDelco GM Original Equipment HVAC Blower Motor Control Modules are microprocessor computers that modulate HVAC blower speed. The control module receives input from the HVAC control module and is a GM-recommended replacement for your vehicle’s original component. This original equipment HVAC blower motor control module has been manufactured to fit your 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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ACDelco – Instrument Panel Air Duct Air Temperature Sensor (Part No.15-5632)

Instrument Panel Air Duct Air Temperature Sensor

from

$9.99
ACDelco GM Original Equipment HVAC Temperature Sensor is a GM-recommended replacement component for one or more of the following vehicle systems: hvac. This original equipment sensor will provide 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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Popular 2003 GMC Sierra 1500 HD Cooling and Climate Controls Categories

2003 GMC Sierra 1500 HD Cooling and Climate Controls

You count on your 2003 GMC Sierra 1500 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 199 Cooling and Climate Controls ranging in price from $1.29 to $577.99, you’re sure to find everything you need for your 2003 GMC Sierra 1500 HD.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 25 different brands like Carquest Premium, Permatex, and DriveWorks. 2003 GMC Sierra 1500 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 5,344 extensive product reviews on 2003 GMC Sierra 1500 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 Engine Water Pump Gasket with 4.7 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 GMC Sierra 1500 HD below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 2003 GMC Sierra 1500 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 GMC Sierra 1500 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 Blend Doors and Air Conditioning Parts. All are waiting to get your 2003 GMC Sierra 1500 HD back on the road. Some of the top-rated ACDelco products in these categories are:
HVAC Blend Door Actuator: 1 Piece
from $251.99
(1)
HVAC Blend Door Actuator: 1 Piece
Air Blend Door Actuators
Multi-Purpose Pigtail
from $37.99
(2)
Multi-Purpose Pigtail
AC Clutch Coil Connectors
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 GMC Sierra 1500 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 GMC Sierra 1500 HD Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 2003 GMC Sierra 1500 HD?

Out of 199 Cooling and Climate Controls for the 2003 GMC Sierra 1500 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
Engine Water Pump Inlet Pipe Gaskets
Engine Water Pump
from $101.99
(345)
Engine Water Pump
Water Pumps
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets

What are the top-rated 2003 GMC Sierra 1500 HD Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 2003 GMC Sierra 1500 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
“Good value and perfect replacement part”
Engine Water Pump Gasket
from $6.49
(100)
Engine Water Pump Gasket
“Great product …easy to use”
A/C Dark Grey Porous Orifice Tube
from $15.99
(97)
A/C Dark Grey Porous Orifice Tube
“Picture says it all – the 12-yr old tube was pretty filthy and not reusable. If you’re working on your A/C, this is a good item to replace while you'”