2003 Hummer H1 Cooling and Climate Controls

Essential 2003 Hummer H1 Cooling and Climate Controls

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

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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Carquest Premium – Radiator Cap: 16 PSI (Part No.10230)

Radiator Cap: 16 PSI

from

$9.79
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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Carquest Premium – Standard Thermostat: With Seal, 185 Degrees (Part No.14728)

Standard Thermostat: With Seal, 185 Degrees

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$43.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Mahle – Engine Coolant Thermostat O-Ring (Part No.G4030204690MAH)

Engine Coolant Thermostat O-Ring

from

$3.96
The Mahle Engine Coolant Thermostat O-Ring is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Seals the thermostat housing and helps prevent coolant from leaking from the engine for proper engine temperature
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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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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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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US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK1043)

Water Pump with Fan Clutch

from

$287.99
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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Carquest Premium – A/C Premium OEM Improved; New; w/ Clutch; w/ HT6 Compressor (Part No.T58947)

A/C Premium OEM Improved; New; w/ Clutch; w/ HT6 Compressor

from

$249.99
This premium new compressor improves upon the original equipment design by providing two additional pistons and a center seal lip to prevent a center seal leak created by road conditions. CARQUEST New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure a smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and o-rings for installation.

Product Features:
  • Each new compressor design undergoes rigorous life cycle testing at high RPMs and pressures to ensure that they can withstand years in the harshest conditions.
  • New compressors are designed with utmost precision using 3D coordinate measuring machines to ensure a perfect fit.
  • The production process contains automated controls at every stage that alerts and halts production in case of an error, assuring that the finished product will always be flawless.
  • All new compressors must pass a helium leak test and pump up function test prior to packaging.
  • O-Rings and gaskets necessary for installation are included.
  • Matched high-quality needle-roller bearing ensures low friction and high load capability.
  • Light weight aluminum energy-saving casting used for construction.
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Carquest Premium – Radiator Cap: 16 PSI (Part No.10330)

Radiator Cap: 16 PSI

from

$13.49
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:
  • Safety lever to vent coolant pressure before removal
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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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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Carquest Standard – Reman GM HT6 Compressor w/ Clutch (Part No.DW57947)

Reman GM HT6 Compressor w/ Clutch

from

$241.99
Carquest Standard compressors offer reliable, long-lasting performance for a leak-free, dependable repair.

Product Features:
  • Built in a TS16949 certified manufacturing environment to ensure consistent quality that meets or exceeds OE specifications for fit, form, function and durability
  • All remanufactured compressors are built using the latest compressor technology available today and using strict remanufacturing processes
  • All units have new seals, O-rings, gaskets and clutch bearings
  • Tested for noise, vibration, durability, vacuum decay and pressure decay to ensure no leaks and longer life
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Factory Air – Harness Connector (Part No.37215)

Harness Connector

from

$15.79
OE style connectors; Molded plastic construction; Quality contacts ensure proper conductivity; Universal applications
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Imperial – Adjustable Thermostatic Fan Control (Part No.226203)

Adjustable Thermostatic Fan Control

from

$22.99
Adjustable Thermostatic Fan Control; Economy Model; 32-248°F. Controls the operating temperature of Imperial electric fans

Product Features:
  • Economy adjustable thermostatic fan control
  • Economy Model; 32-248°F
  • For use with Imperial electric fans
  • Probe installs into radiator fins
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Carquest Premium – A/C Clutch Cycle Switch Connector (Part No.PTA1091)

A/C Clutch Cycle Switch Connector

from

$34.49
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.

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

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

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
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12552)

Radiator Cap Tester Adapter

from

$14.29
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
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DENSO – First Time Fit A/C Conr (Part No.R1030687992ND)

First Time Fit A/C Conr

from

$156.79
Like all DENSO First Time Fit® A/C components, our condensers are designed and manufactured to integrate seamlessly with the vehicle’s original air conditioning system. DENSO condensers match up to OE condensers at every benchmark. Multiflow, subcooling, and the latest Ssrpentine condenser styles are offered to provide the optimum configuration for each application. Premium aluminum construction improves reliability, resisting corrosion to avoid expensive system leaks, while the superior fin wave design offers higher heat transfer and maximum refrigerant condensation. Heat exchanger cores are specially designed to shed airborne material buildup, allowing the A/C system to operate at peak efficiency with minimal maintenance, assuring years of trouble-free service.

Product Features:
  • Zinc diffusion layer improves corrosion resistance
  • Unique fin design to minimize airflow blockage
  • High performance design reduces the required compressor power
  • System Efficiency: Superior fin waves provide a higher heat transfer coefficient and full condensation.
  • Engineered to Perfection: OE quality engineered for unparalleled performance
  • Exact Fit: Condensers install with speed and ease
  • Reduces required compressor power, resulting improved fuel economy
  • Restores A/C performance to as-new condition
  • First Time Fit® assures bolt-in replacement; no brackets or adapters
  • Greater Durability: Pure aluminum construction provides greater resistance for corrosion
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Autopart International Inc – Radiator (Part No.G10002058079API)

Radiator

from

$239.12
Radiator

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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Factory Air – New GM Harrison DA6-HR6-HD6-HT6+HE6 Clutch Assembly w/ Coil (Part No.47655)

New GM Harrison DA6-HR6-HD6-HT6+HE6 Clutch Assembly w/ Coil

from

$153.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All mounting hardware included
  • Every coil tested for proper ohms
  • Vehicle specific applications
  • Coated to prevent corrosion
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Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26824)

O-Ring & Gasket A/C System Seal Kit

from

$19.49
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R134a and R12 refrigerants
  • Application specific
  • SUV and rear air applications
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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T5095)

Engine Water Pump: New, Gasket/Seals Included

from

$229.99
Carquest Premium drive motor inverter cooler water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, impeller, controller, gaskets, and seals are designed for long-lasting service life. These electric water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium auxiliary water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • Built to meet or exceed OE fit, form and function
  • All components necessary for installation are supplied with pump
  • 100% tested for reliable performance
  • Follow all enclosed instructions to maximize pump life and validate warranty
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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2284)

Engine Water Pump: New, Gasket/Seals Included

from

$152.99
Carquest Premium drive motor inverter cooler water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, impeller, controller, gaskets, and seals are designed for long-lasting service life. These electric water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium auxiliary water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • Built to meet or exceed OE fit, form and function
  • All components necessary for installation are supplied with pump
  • 100% tested for reliable performance
  • Follow all enclosed instructions to maximize pump life and validate warranty
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Carquest Premium – A/C Expansion Valve (Part No.T3704459)

A/C Expansion Valve

from

$36.49
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve 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:
  • The bodies of these expansion valves are machined from a single block of aluminum or brass metal.
  • Each expansion valve has settings for tonnage and superheat based on the vehicle specifications.
  • Each expansion valve 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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2003 Hummer H1 Cooling and Climate Controls

You count on your 2003 Hummer H1 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 34 Cooling and Climate Controls ranging in price from $3.49 to $289.99, you’re sure to find everything you need for your 2003 Hummer H1.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 11 different brands like Permatex, Carquest Premium, and Imperial. 2003 Hummer H1 Cooling and Climate Controls start as low as $3.49!

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 748 extensive product reviews on 2003 Hummer H1 Cooling and Climate Controls. Some of the top-rated Cooling and Climate Controls products we carry are Electric Fan – 12" Diameter with 3.5 stars and Adjustable Thermostatic Fan Control with 3.4 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 Hummer H1 below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 2003 Hummer H1

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 Hummer H1 running right for years to come. In our inventory you’ll find brands like Permatex, Carquest Premium, Imperial, and even more.

Popular Factory Air Cooling and Climate Controls

You’ll find popular Factory Air brand products across Air Conditioning Parts. All are waiting to get your 2003 Hummer H1 back on the road. Some of the top-rated Factory Air products in these categories are:
O-Ring & Gasket A/C System Seal Kit
from $19.49
(13)
O-Ring & Gasket A/C System Seal Kit
AC Line O-Rings

Top-Rated Permatex Cooling and Climate Controls


If Permatex are what you’re looking for, our inventory holds plenty. We stock Permatex brand Cooling and Climate Controls for your 2003 Hummer H1, and some of our most reviewed Permatex parts include:
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
Sensor-Safe, High Torque RTV Silicone Gasket Maker
from $6.99
(9)
Sensor-Safe, High Torque RTV Silicone Gasket Maker
Engine Water Pump Inlet Pipe Gaskets

FAQs for 2003 Hummer H1 Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 2003 Hummer H1?

Out of 34 Cooling and Climate Controls for the 2003 Hummer H1, the most popular in our inventory are:
Radiator Cap: 16 PSI
from $9.79
(103)
Radiator Cap: 16 PSI
Radiator Caps
Radiator Cap: 16 PSI
from $13.49
(65)
Radiator Cap: 16 PSI
Coolant Reservoir Caps
Adjustable Thermostatic Fan Control
from $22.99
(35)
Adjustable Thermostatic Fan Control
Engine Cooling Fan Controllers

What are the top-rated 2003 Hummer H1 Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 2003 Hummer H1 based on customer reviews/ratings are:
Electric Fan - 12" Diameter
from $94.99
(38)
Electric Fan – 12" Diameter
“good”
Adjustable Thermostatic Fan Control
from $55.99
(33)
Adjustable Thermostatic Fan Control
“If you read the instructions it’s pretty self explanatory.”
A/C Premium OEM Improved; New; w/ Clutch; w/ HT6 Compressor
from $249.99
(19)
A/C Premium OEM Improved; New; w/ Clutch; w/ HT6 Compressor
“This was a great product for the price. Thanks Advance Auto Parts for getting it right again!”