2003 Chevrolet Trailblazer Cooling and Climate Controls

Essential 2003 Chevrolet Trailblazer Cooling and Climate Controls

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

GM Original Equipment Radiator Cap

from

$18.88
An ACDelco GM Original Equipment Radiator Cap is a spring loaded cap that seals the radiator filler neck or surge tank, and is a GM-recommended replacement for your vehicle’s original component. It maintains pressure on the cooling system while the engine is operating, which raises the boiling point of the engine coolant. It also replenishes the system with coolant from the expansion tank (if equipped) when the engine cools off. This original equipment radiator cap has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Get the GM quality you know and trust with ACDelco GM Original Equipment Thermostats and Caps. Stay with the brand of parts your General Motors vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Thermostats and Caps are engineered for virtually every model of GM car, light duty truck, and sport utility vehicle.

Product Features:
  • Seal and maintain pressure on the cooling system for vehicle safety
  • Raise the boiling point of the engine coolant to maintain efficiency
  • Fit most models of GM vehicles for expanded coverage
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Imperial – Electric Fan – 12" Diameter (Part No.226112)

Electric Fan - 12" Diameter

from

$94.99
Electric fan with 12″ diameter. Imperial electric fans are reversible for push or pull operation and are designed with a thin, aerodynamic profile for applications with limited space.

Product Features:
  • Rapid-Cool® Thin-Line electric fans
  • 12″ Diameter
  • 800 CFM
  • Use as a pusher or puller fan
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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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Carquest Premium – A/C Compressor and Component Kit (Part No.2933K)

A/C Compressor and Component Kit

from

$439.99
Save time on installation with everything you need in one box for an air conditioning replacement. The Carquest Premium A/C Compressor and Component Kit includes the necessary compressor, accumulator/receiver drier, and orifice tube/expansion valve, along with the necessary O-rings, gaskets, and oil. The parts are manufactured with strict quality standards from Gilmore, a climate control partner to Advance Auto Parts for over 25 years.

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.
  • Accumulators and receiver driers 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 are helium leak tested prior to packaging.
  • Each orifice tube and expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system.
  • The specific PAG oil required by your vehicle application is included.
  • O-rings and gaskets for all parts are application specific and packaged with the correct part to save time and eliminate the possibility of a leak from using the wrong O-ring or gasket.
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KAI – Valve Core/Cap Kit (Part No.FTT010103)

Valve Core/Cap Kit

from

$12.99
New Standard Replacement A/C System Valve Core And Cap Kit

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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Driveworks Water Pumps – Water Pump (Part No.58-653)

Water Pump

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$153.99
Using advanced re-engineering materials and processes, our remanufactured water pumps match O.E. fit and performance. Each unit is supplied with new, unitized seals and the proper O.E.-specified bearing design to meet the specific radial and axial load re

Product Features:
  • 100% leak testing and hub-pull testing ensures reliable performance.
  • O.E.-supplied NEW unitized seals ensure long-lasting, trouble-free performance.
  • The proper O.E. specified bearing design is installed to meet the specific radial and axial load requirements of each application. This ensures longer bearing life and reliable performance.
  • Thermostat seal and mounting gasket are supplied for ease of installation (where applicable).
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ACDelco – Water Pump Pulley (Part No.G3020373170ACD)

Water Pump Pulley

from

$197.65
Water Pump Pulley

Dorman – Remanufactured Climate Control Module (Part No.599-018)

Remanufactured Climate Control Module

from

$297.99
Climate controls stopped working? Seamlessly restore operation by easily swapping the malfunctioning original module with this fully tested replacement unit.

Product Features:
  • Remanufactured Climate Control Module
  • Remanufactured Climate Control Module
  • Climate controls stopped working? Seamlessly restore operation by easily swapping the malfunctioning original module with this fully tested replacement unit.
  • Direct replacement – this HVAC control module matches the appearance and function of the original unit on specific vehicles
  • Function tested – module has been tested to ensure the same operation as the stock module
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Carquest Premium – AC Pressure Sensor (Part No.ACA1526)

AC Pressure Sensor

from

$61.99
The Premium CarQuest® Vehicle Solutions line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Sensor reports system pressures to the on-board computer, in turn allowing the computer to properly and efficiently control the compressor, fans and system levels. An improperly functioning A/C Pressure Sensor will provide erratic or inaccurate readings to on-board computers severely affecting system performance and function. Without reliable and accurate data from a properly functioning A/C Pressure Sensor, on-board computers are unable to protect the safety of critical components and the system as a whole which can lead to excessive wear and tear on critical components and costly system damage.
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GM Genuine Parts – Heating and Air Conditioning Blower Control Module (Part No.15-81773)

Heating and Air Conditioning Blower Control Module

from

$72.99
GM Genuine Parts HVAC Blower Motor Control Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These modules are microprocessor computers that modulate HVAC blower motor speed. The blower motor control module receives input from the HVAC control module. 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:
  • Designed and tested to help ensure quality and 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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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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Carquest Premium – HVAC Blower Control Switch (Part No.HKA1028)

HVAC Blower Control Switch

from

$75.99
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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ACDelco – A/C Pressure Switch (Part No.R1054300886ACD)

A/C Pressure Switch

from

$67.44
A/C Pressure Switch

Carquest Premium – Multi Purpose Relay (Part No.RAA1732)

Multi Purpose Relay

from

$36.49
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 – 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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Permatex – Sensor-Safe, High Torque RTV Silicone Gasket Maker (Part No.22074)

Sensor-Safe, High Torque RTV Silicone Gasket Maker

from

$6.99
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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ACDelco – Black Multi-Purpose Pigtail (Part No.PT2830)

Black Multi-Purpose Pigtail

from

$48.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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 Service Valve Cap (Part No.902-025)

A/C Service Valve Cap

from

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

Product Features:
  • Direct replacement – this A/C service valve cap is designed to match the fit and function of the original cap on specified applications
  • Restores functionality – reliable replacement for an original part that is leaking or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Engine Coolant Level Sensor (Part No.SBA3711)

Engine Coolant Level Sensor

from

$10.99
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 – Radiator: With Transmission Oil Cooler (Part No.432405)

Radiator: With Transmission Oil Cooler

from

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

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle’s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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Carquest – Automatic Headlight Control Relay (Part No.R6100)

Automatic Headlight Control Relay

from

$35.05
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:
  • Quick Connect Battery Cable Couplers
  • High impact housing eliminates breakage and withstands rough usage.
  • Couplers plug together quickly and easily to make charging or starting simple and easy
  • Ideal for Tow Trucks booster cables or Electric Fork Lifts.
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Autotecnica – Air Flap Actuator (Part No.R2046409368ANA)

Air Flap Actuator

from

$87.84
Air Flap Actuator

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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Carquest Premium – A/C Compressor Switch Connector (Part No.PTA1329)

A/C Compressor Switch Connector

from

$17.79
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 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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Carquest Premium – HVAC Blower Motor Resistor (Part No.RUA1205)

HVAC Blower Motor Resistor

from

$179.99
Carquest premium direct replacement resistors are designed to match the operation and performance of the original equipment to restore the proper heating and cooling functionality.

Product Features:
  • Restores Functionality- Manufactured to original equipment specifications to restore full HVAC operation
  • Original equipment quality – Carquest blower motor resistors meet the high quality material standards and tolerances as the original equipment
  • Complete kit – Each kit includes the resistor, connector, and splice connectors to complete the job
  • Direct replacement – Carquest blower motor resistor kits are a direct replacement to the original equipment resistor
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Dorman – Body Bolt – M6-1.0 X 25mm (Part No.963-232D)

Body Bolt - M6-1.0 X 25mm

from

$4.49
These bolts are manufactured using durable materials and corrosion-tested to ensure required strength and longevity.

Product Features:
  • Durable materials – manufactured to specific thread tolerance standards
  • Corrosion tested – hardware undergoes salt spray testing to ensure corrosion resistance
  • Multipurpose usefulness – can be used in a variety of applications, from auto to home
  • Trustworthy quality – backed by team of professional engineers and quality control specialists in the United States
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Popular 2003 Chevrolet Trailblazer Cooling and Climate Controls Categories

2003 Chevrolet Trailblazer Cooling and Climate Controls

You count on your 2003 Chevrolet Trailblazer 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 156 Cooling and Climate Controls ranging in price from $2.99 to $579.99, you’re sure to find everything you need for your 2003 Chevrolet Trailblazer.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 19 different brands like Permatex, Carquest Premium, and Imperial. 2003 Chevrolet Trailblazer Cooling and Climate Controls start as low as $2.99!

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 2,858 extensive product reviews on 2003 Chevrolet Trailblazer Cooling and Climate Controls. Some of the top-rated Cooling and Climate Controls products we carry are Severe Temp Automatic Adjusting Orifice Tube with 4.7 stars and A/C Black Orifice Tube with 4.5 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 Trailblazer below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 2003 Chevrolet Trailblazer

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 Trailblazer running right for years to come. In our inventory you’ll find brands like Permatex, Carquest Premium, Imperial, and even more.

Popular ACDelco Cooling and Climate Controls

You’ll find popular ACDelco brand products across Air Conditioning Parts and Engine Cooling Parts. All are waiting to get your 2003 Chevrolet Trailblazer back on the road. Some of the top-rated ACDelco products in these categories are:
Multi-Purpose Pigtail
from $37.99
(2)
Multi-Purpose Pigtail
AC Clutch Coil Connectors
GM Original Equipment Radiator Cap
from $18.88
(2)
GM Original Equipment Radiator Cap
Radiator Caps

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 Trailblazer, and some of our most reviewed Carquest Premium parts include:
Engine Water Pump: New, Gasket/Seals Included
from $69.99
(178)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Integrated Thermostat Housing: With Seal, 192 Degrees
from $39.49
(109)
Integrated Thermostat Housing: With Seal, 192 Degrees
Thermostat and Water Outlet Assemblies
A/C White Orifice Tube
from $2.99
(97)
A/C White Orifice Tube
Expansion Valve and Orifice Tubes

FAQs for 2003 Chevrolet Trailblazer Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 2003 Chevrolet Trailblazer?

Out of 156 Cooling and Climate Controls for the 2003 Chevrolet Trailblazer, 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
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets
Radiator Cap: 15 PSI
from $14.99
(59)
Radiator Cap: 15 PSI
Coolant Reservoir Caps

What are the top-rated 2003 Chevrolet Trailblazer Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 2003 Chevrolet Trailblazer based on customer reviews/ratings are:
Severe Temp Automatic Adjusting Orifice Tube
from $15.99
(97)
Severe Temp Automatic Adjusting Orifice Tube
“Perfect fit in my f150. Works great.”
A/C Black Orifice Tube
from $4.49
(56)
A/C Black Orifice Tube
“Works great”
Electronic Fan Clutch - Reverse Rotation Heavy Duty
from $272.99
(48)
Electronic Fan Clutch – Reverse Rotation Heavy Duty
“Exact fit, took about an hour to install. Just watch a You tube video, made the process easier.”