2003 Infiniti Q45 Cooling and Climate Controls

Name: The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ
Brand: Permatex
SKU: 34310
Price: 38.99 USD

Below you will find various in-demand Infiniti Cooling and Climate Controls, components and accessories for your 2003 Q45. Advance Auto Parts has popular Q45 parts like HVAC Electrical Parts, Engine Cooling Parts, Blower Motor and Related Products and more. You’ll also find aftermarket and OEM Cooling and Climate Controls for other Q45 model years including 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006 and more. Select a category of 2003 Infiniti Q45 Cooling and Climate Controls below and start saving instantly.

Popular 2003 Infiniti Q45 Cooling and Climate Controls Categories

Water Pump Housing Gaskets

Radiators

Water Pumps

Blower Motors

Engine Coolant Thermostat Housing Caps

Radiator Caps

Thermostats

Radiator Fan Motors

Coolant Temperature Sensors

Engine Water Pump Inlet Pipe Gaskets

Coolant Reservoir Caps

Air Conditioning Relays

AC Line O-Rings

Radiator Fan Control Relays

AC Caps and Valve Core Kits

Thermostat Housings

Accumulator and Receiver Driers

AC Line O-Ring Kits

Radiator Mounts

AC O-Ring and Gasket Kits

Water Pump Gaskets

Expansion Valve and Orifice Tubes

Thermostat Housing O-Rings

AC Refrigerant Pressure Sensors

Engine Coolant Water Inlets

Radiator Cap Adapters

Thermostat – Optional Replacements

Miscellaneous AC Switches

HVAC Temperature Delay Relay Harness Connectors

Essential Cooling and Climate Controls for 2003 Infiniti Q45s

from

$38.99

Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:

Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
Sensor-safe, non-corrosive, RTV silicone
Protects against leaks caused by vibration and thermal expansion
Meets performance specs of OE silicone gaskets
Quickly returns vehicle to service in just 1 minute

from

$23.49

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

Product Features:

Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models.
Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking.
Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings

from

$28.49

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.

from

$119.99

Trimline Straight Blade Electric Fan

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$2.33

Water Pipe O-Ring

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$6.99

Permatex Water Pump & Thermostat RTV Silicone Gasket Maker is a noncorrosive, sensor-safe RTV silicone gasket material formulated for water pumps and thermostat housings. Permatex Water Pump & Thermostat has the highest water-glycol resistance available in an RTV silicone.

Product Features:

Sensor-safe, noncorrosive RTV silicone gasket material
Formulated specifically for water pumps and thermostat housings
Highest water-glycol resistance available in RTV silicone
Superior adhesion and flexibility
Can be used as a gasket maker or dressing

from

$34.99

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

from

$10.99

New Standard Replacement A/C Service Cap And Valve Kit, MT2909

Product Features:

MT2909
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

from

$51.99

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.

from

$25.99

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.

from

$13.99

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

Product Features:

Maintains proper cooling system pressure
Easy installation and removal
100% tested to ensure proper pressure and longevity
Meets all OEM specifications

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$31.18

A/C O-Ring Kit

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$18.79

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

from

$22.99

New Standard Replacement A/C System Seal Kit, MT2571, L4 Engine

Product Features:

MT2571, L4 Engine
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

from

$18.99

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 R12 and R134a refrigerants
Application specific
SUV and rear air applications

from

$23.99

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

Product Features:

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

from

$26.99

from

$26.99

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

from

$178.99

Carquest Premium Blower Motors are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Carquest Premium Blower Motors. Meets or exceeds OE design. Magnetic size and properties compare or exceed OEM. Windings meet or exceed OEM Specifications. Motor RPM equivalent to or exceeds OEM motor.

Product Features:

Meets or exceeds OE design and performance
Magnetic size and properties compare or exceed OEM
Windings meet or exceed OEM specifications
Motor RPM equivalent to or exceeds OEM motor
Functionally Equivalent to OE Design
Magnetic size and properties compare or exceed OEM
Hermetically Sealed & Thermally Protected Electronics

from

$119.99

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
Vehicle specific applications

from

$28.49

Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:

Matches OE form, fit and function
Features a standard jiggle valve where required by OE and has a long stroke for maximum cooling
Constructed with premium materials for durability
Be sure to use the proper coolant to maximize cooling system components. See Beck/Arnley catalog for the coolant for this application.
Application specific for this vehicle

from

$168.89

The AISIN Water Pump contains no remanufactured parts and provides optimal cooling without creating excess load to the engine. The highest quality materials are used, creating stronger body design and resistance to corrosion.

Product Features:

OE-Equivalent and direct fit application.
100% new with no remanufactured parts.
Advanced technological design.
Carbon ceramic sealing.
Resistant to corrosion.
Optimum cooling performance and longevity.

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$23.49

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

Product Features:

Meets and/or exceeds OEM standard
Includes quality gasket or O-ring to ensure proper seal (where applicable
100% virgin resin material to insure durability
100% leak tested
Direct-fit replacement for ease of installation

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$17.79

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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$159.99

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 engineeredáwith integrated ribbingáfor addedástrength 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

from

$25.99

Dorman’s Engine Coolant Thermostat Housing has improved durability and resistance. It withstands the extreme changes in temperature that frequently cause housing to become brittle, crack and leak. Maintain the steady flow of coolant and lessen the chances of overheating.

Product Features:

Direct replacement for a proper fit every time
Hoses slide on for easy installation
High-quality plastic or metal construction
Includes all hardware necessary for a complete repair (where applicable)

from

$8.99

This radiator mount bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this radiator mount bushing matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this bushing is a reliable replacement for an original part that 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

from

$44.99

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

Upgrade your 2003 Infiniti Q45 with Top-Quality Cooling and Climate Controls

When it comes to maintaining or upgrading your 2003 Infiniti Q45, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Infiniti or enhancing its overall performance, Cooling and Climate Controls are key to keeping your Q45 functioning at its best. At Advance Auto Parts, we offer a wide selection of 54 Cooling and Climate Controls for the 2003 Infiniti Q45, designed to meet your needs without breaking the bank. From HVAC Electrical Part replacements to Engine Cooling Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Cooling and Climate Controls for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Cooling and Climate Controls for your 2003 Infiniti Q45 at great prices. Our Cooling and Climate Controls inventory for this model ranges from just $2.33 to $367.99, with an average price of $49.93. Our 54 Cooling and Climate Controls in stock come from 18 trusted brands, so you’re sure to find the right part for your 2003 Infiniti Q45 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Infiniti Q45, we stock popular OEM and aftermarket Cooling and Climate Controls from top names like Permatex, Carquest Premium, Factory Air, and more. Permatex Cooling and Climate Controls start at just $6.99 and boast an impressive 5 stars average rating from customers. Carquest Premium and Factory Air also bring quality to the table, with Cooling and Climate Controls available starting at $9.29, and at an average 4 stars rating. With 665 customer reviews and counting, our 2003 Infiniti Q45 Cooling and Climate Controls have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Cooling and Climate Control upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 Infiniti Q45 is always ready to roll. We’re committed to providing you with everything you need to keep your Q45 in top shape, all in one place. Start shopping confidently below for your 2003 Infiniti Q45!

Best-Selling HVAC Electrical Parts for 2003 Infiniti Q45s

Enhance the driving experience in your Infiniti with 1 quality HVAC Electrical Part components, starting at $119.99.

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from

$119.99

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
Vehicle specific applications

Most Popular 2003 Infiniti Q45 Engine Cooling Parts

Customize your Infiniti with 34 Engine Cooling Parts products like Thermostats, Radiators, and Water Pumps, all priced under $367.99.

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from

$26.99

High torque and rigidity
Sensor-safe, non-corrosive formula
OEM specified
Low-odor, non-corrosive formula
Ideal for closed spaced bolt patterns

from

$27.49

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

from

$9.99

Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

Product Features:

Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap.
Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
Seamless fit – reverse-engineered from the original equipment to fit perfectly
Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership

from

$159.99

Thermal tested under real-life temperature simulations
High tensile strength aluminum for maximum crimp strength
Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength 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

from

$8.06

Stant offers a wide variety of radiator cap styles and applications for U.S. and import cars, light trucks, HD trucks, racing, off-road and ag equipment. In addition to the standard OE line of caps, a unique line of high- and low- pressure racing caps are available for high performance vehicles. Additionally, the Lev-R-Vent caps are designed with a lever release to safely release pressure for quicker cooling. A faulty radiator cap can cause your car to boil-over at a lower temperature. Test or replace the coolant cap when servicing the cooling system.

Product Features:

The SWIV-EL design allows the cap to be installed and removed much easier than conventional radiator caps.
Meets Original Equipment specifications.
Made from premium materials.
Designed to function on open cooling systems and overflow reservoir type systems.
The Lev-R-Vent features a patented lever release to safely release pressure for quicker cooling.

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$6.99

Sensor-safe, noncorrosive RTV silicone gasket material
Formulated specifically for water pumps and thermostat housings
Highest water-glycol resistance available in RTV silicone
Superior adhesion and flexibility
Can be used as a gasket maker or dressing

from

$11.99

Maintains proper cooling system pressure
Easy installation and removal
100% tested to ensure proper pressure and longevity
Meets all OEM specifications

from

$19.99

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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$20.79

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

from

$18.29

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

from

$18.79

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

from

$9.29

Original equipment design provides exact fit and performance.

Product Features:

Precise fitting sealing edges prevent leakage and premature cooling.
Self-cleaning and self-aligning thermostat valve.
Stainless steel assembly and springs are engineered for long life and smooth performance.

from

$23.99

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

from

$29.99

Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
Brass sensor housing precision machined to meet or exceed OE thermal conductivity
OE precision matched thermistor position for correct output parameters
Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.

from

$25.99

from

$34.99

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

from

$8.99

Direct replacement - this radiator mount bushing matches the fit and function of the factory part on specified years, makes and models.
Ideal solution - this bushing is a reliable replacement for an original part that 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

from

$23.49

Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models.
Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking.
Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer
Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housings

from

$28.49

Matches OE form, fit and function
Features a standard jiggle valve where required by OE and has a long stroke for maximum cooling
Constructed with premium materials for durability
Be sure to use the proper coolant to maximize cooling system components. See Beck/Arnley catalog for the coolant for this application.
Application specific for this vehicle

from

$319.99

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

Product Features:

100% tested for reliable performance
Durable housing features precisely machined mounting surface for proper sealing and fitment
Equipped with weep chamber or similar feature to help prevent unnecessary replacement
Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
All gaskets or seals necessary for water pump are included
This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components

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$29.99

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

Product Features:

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

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$17.79

Machined metal construction
Works with MT-300 pressure tester
Tests coolant caps
Professional quality

from

$367.99

Black Magic Electric Fan

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$119.99

Trimline Straight Blade Electric Fan

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$38.99

Permatex's The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric "Formed-in-place" material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:

Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
Sensor-safe, non-corrosive, RTV silicone
Protects against leaks caused by vibration and thermal expansion
Meets performance specs of OE silicone gaskets
Quickly returns vehicle to service in just 1 minute

from

$36.32

Thermostat

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$35.89

The NTC-Tama Engine Coolant Temperature Sensor is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:

Premium Original Equipment replacement
Provides performance and dependability
Manufactured to meet OE specifications

from

$25.99

Dorman's Engine Coolant Thermostat Housing has improved durability and resistance. It withstands the extreme changes in temperature that frequently cause housing to become brittle, crack and leak. Maintain the steady flow of coolant and lessen the chances of overheating.

Product Features:

Direct replacement for a proper fit every time
Hoses slide on for easy installation
High-quality plastic or metal construction
Includes all hardware necessary for a complete repair (where applicable)

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$25.76

Thermostat

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$23.79

NTC offers a full line of thermostats to replace your original equipment thermostat. This includes a wide variety of temperature ranges all designed to operate within OEM specifications.

Product Features:

Strict quality control, and functional testing
Self-cleaning and self-aligning thermostat valve
Original equipment design provides exact fit and performance
Precise sealing edges reduce leakage and premature cooling
Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
Stainless steel assembly and springs are engineered for long life

from

$23.49

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

Product Features:

Meets and/or exceeds OEM standard
Includes quality gasket or O-ring to ensure proper seal (where applicable
100% virgin resin material to insure durability
100% leak tested
Direct-fit replacement for ease of installation

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$17.56

Thermostat

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$7.60

Radiator Cap

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$2.33

Water Pipe O-Ring

Top Picks for 2003 Infiniti Q45 Blower Motor and Related Products

Upgrade Infiniti Q45s with top-quality Blower Motor and Related Products parts, including 2 OEM and aftermarket selections for your 2003 model.

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from

$202.99

Meets or exceeds OE design and performance
Magnetic size and properties compare or exceed OEM
Windings meet or exceed OEM specifications
Motor RPM equivalent to or exceeds OEM motor

from

$178.99

Meets or exceeds OE design and performance
Magnetic size and properties compare or exceed OEM
Windings meet or exceed OEM specifications
Motor RPM equivalent to or exceeds OEM motor
Functionally Equivalent to OE Design
Magnetic size and properties compare or exceed OEM
Hermetically Sealed & Thermally Protected Electronics

In-Demand Air Conditioning Parts for 2003 Infiniti Q45s

Select from 17 premium Air Conditioning Parts parts for your 2003 Infiniti Q45, with prices ranging from $10.99 to $114.99.

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$14.49

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 R12 and R134a refrigerants
Application specific
SUV and rear air applications

from

$17.99

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 R12 and R134a refrigerants
SUV and rear air applications
Application specific

from

$36.49

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.

from

$25.05

Product Features:

Premium components ensure optimum performance and long service life under all operating conditions
Neodymium in the core creates the strongest magnetic field and produces max high voltage output at all speeds
High-dielectric epoxy injected into case and pulled into vacuum to eliminate air pockets and prevent moisture intrusion or thermal breakdown
Reinforced bobbins prevent voltage flashover for an extended service life

from

$25.99

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.

from

$10.99

New Standard Replacement A/C Service Cap And Valve Kit, MT2909

Product Features:

MT2909
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

from

$40.99

from

$20.49

from

$70.84

A/C Pressure Switch

from

$44.99

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

from

$31.18

A/C O-Ring Kit

from

$114.99

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.

Product Features:

Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to exceed OE performance and to meet the uncompromising demands of service professionals.
Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Sensor.
All units are helium leak tested on fully automated mass spectrometer equipment before end-of-line testing.
All units are tested using automated end-of-line testing equipment that pressurizes the A/C Pressure Sensor and checks full-spectrum functionality and electrical output to ensure each A/C Pressure Sensor meets manufacturing specifications before packaging

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$48.48

A/C Receiver Drier

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$26.99

from

$22.99

New Standard Replacement A/C System Seal Kit, MT2571, L4 Engine

Product Features:

MT2571, L4 Engine
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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$18.02

A/C Receiver Drier

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$14.99

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

High-quality products that meet OE appearance and performance to

Top-Rated Cooling and Climate Controls Brands For Your 2003 Infiniti Q45

Shop for the best-rated brands offering Cooling and Climate Controls and other products for your 2003 Infiniti Q45s. Below you’ll find some of our best rated Cooling and Climate Controls from Permatex, Carquest Premium, and Factory Air, and more. Cooling and Climate Controls from these brands that fit a 2003 Q45 start at just $6.99 and are rated as high as 5 stars. OEM and aftermarket Cooling and Climate Controls don’t get more top quality, durable, and affordable than from the brands below.

Popular Permatex 2003 Infiniti Q45 Cooling and Climate Controls

When it comes to maintaining or upgrading your 2003 Infiniti Q45, using quality Cooling and Climate Controls is essential to ensure durability and a perfect fit. Permatex ticks all of those boxes. We offer a wide selection of Permatex Cooling and Climate Controls, specifically designed for the 2003 Infiniti Q45. With over 3 Permatex brand Cooling and Climate Controls in stock, you're sure to find what you need. The prices for these top-notch parts start as low as $6.99, with an average price of just $24.32. Plus, with over 295 customer reviews and an average rating of 5 stars, you can trust that our Permatex Cooling and Climate Controls will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

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$26.99

(7)

High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ

"it worked great,thank you marv and your crew."

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$6.99

(288)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

"Goood product"

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$38.99

This product is not rated

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

Popular Carquest Premium 2003 Infiniti Q45 Cooling and Climate Controls

Carquest Premium auto parts is one of the highest quality Cooling and Climate Control brands in the market. Any 2003 Infiniti Q45 owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2003 Q45, Advance Auto Parts carries a full inventory of 21 Carquest Premium Cooling and Climate Controls. Plus you will be keeping your Infiniti in peak condition while saving money because prices on these Carquest Premium Cooling and Climate Controls range from $9.29 to $319.99, plus, with more than 320 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Cooling and Climate Controls below will deliver on both quality and value.

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$29.99

This product is not rated

Coolant Temperature Sensor

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$40.99

This product is not rated

Multi Purpose Relay

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$25.99

This product is not rated

Multi Purpose Relay

FAQs for 2003 Infiniti Q45 Cooling and Climate Controls

Which Cooling and Climate Controls are best-sellers for 2003 Infiniti Q45s?

Out of 54 Cooling and Climate Controls that fit 2003 Infiniti Q45s, the following parts are the top sellers:

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (7160009) - $6.99
Cap & Valve A/C System Seal Kit (15890310) - $17.99
High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (7160239) - $26.99

What’s the price range for 2003 Infiniti Q45 Cooling and Climate Controls?

Cooling and Climate Control prices for the 2003 Infiniti Q45 start at $2.33 and go up to $367.99 for the most premium parts.

What’s the average price of a Cooling and Climate Control for a 2003 Infiniti Q45?

The average price for Cooling and Climate Controls for the 2003 Infiniti Q45 is $49.93. Keep in mind the variety of part types within our Cooling and Climate Control category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Cooling and Climate Controls for other Infiniti Q45 model years?

Yes, we currently carry Cooling and Climate Controls for 16 model years of Infiniti Q45s between 1990 and 2006. Cooling and Climate Controls are bought most frequently for the following model years: 2006, 2005, 2004, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Cooling and Climate Controls for my 2003 Infiniti Q45?

The cheapest 2003 Infiniti Q45 Cooling and Climate Controls we carry in stock are:

Water Pipe O-Ring (11814404) - $2.33
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (7160009) - $6.99
Radiator Cap (12614713) - $7.60
Radiator and Reservoir Caps (11684565) - $8.06
Radiator Mount Bushing (11374952) - $8.99

What are the top-rated Cooling and Climate Controls that fit the 2003 Infiniti Q45?

Out of 665 reviews by customers, our 2003 Infiniti Q45 Cooling and Climate Controls have an average customer rating of . These are some of the highest-rated Cooling and Climate Control types for the 2003 Infiniti Q45 and their top-rated products:

Engine Cooling Parts
- Thermostat: 180 Degrees (11920671) - $27.49
- Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (17190899) - $9.99
- High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (7160239) - $26.99
Blower Motor and Related Products
- Thermostat: 180 Degrees (11920671) - $27.49
- Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (17190899) - $9.99
- High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (7160239) - $26.99

What types of Cooling and Climate Controls do you sell for my 2003 Infiniti Q45?

As of 2/5/25, these are some of the most in-demand types of Cooling and Climate Controls for a 2003 Infiniti Q45:

Can I get help with 2003 Infiniti Q45 Cooling and Climate Control orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Infiniti Cooling and Climate Controls and more.

What is your return policy for Infiniti Q45 Cooling and Climate Controls?

Advance Auto Parts keeps returns simple. For new Infiniti Q45 Cooling and Climate Controls and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 Infiniti Q45 Cooling and Climate Controls

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

Dorman – Coolant Housing/Water Outlet: With Housing, 30 Degree Neck Angle (Part No.902-5900)

Carquest Premium – A/C Filter Drier with Pad Mount (Part No.T83133)

Flex A Lite – Trimline Straight Blade Electric Fan (Part No.116)

Ishino Stone – Water Pipe O-Ring (Part No.G2026550536ISH)

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

NTK – Engine Coolant Temperature Sensor (Part No.EF0107)

KAI – A/C Service Valve (Part No.FTT010751)

Carquest Premium – A/C Block Type O-Ring Expansion Valve (Part No.T39056)

Carquest Premium – Multi Purpose Relay (Part No.RAA1742)

Carquest Premium – Radiator Cap: 16 PSI (Part No.10233)

Santech – A/C O-Ring Kit (Part No.R1151317331SII)

Carquest Premium – Radiator Cap: 13 PSI (Part No.10327)

KAI – A/C System Seal Kit (Part No.FTT010049)

Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26747)

Motorad UltraStats – Thermostat: 170 Degrees (Part No.5302-170)

Carquest Premium – Multi Purpose Relay (Part No.RAA2231)

Permatex – High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

Carquest Premium – Blower Motor: With Wheel (Part No.76507)

Factory Air – System Mounted Pressure Transducer (Part No.20994)

Beck/Arnley – Thermostat (Part No.143-0845)

AISIN – OE Replacement Water Pump (Part No.G3000420990ASC)

Carquest Premium – Engine Coolant Water Inlet (Part No.85421)

Carquest Premium – Radiator Cap Tester Adapter (Part No.12021)

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432604)

Dorman – Engine Coolant Thermostat Housing (Part No.G4010139563DOR)

Dorman – Radiator Mount Bushing (Part No.926-281)

Carquest Premium – A/C Compressor Relay Connector (Part No.PTA1465)

Factory Air – System Mounted Pressure Transducer (Part No.20994)

Permatex – High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

Motorad UltraStats – Thermostat: 180 Degrees (Part No.5302-180)

Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.82599)

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432604)

Stant – Radiator and Reservoir Caps (Part No.G101032815STN)

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

Carquest Premium – Radiator Cap: 13 PSI (Part No.10227)

Carquest Premium – Standard Thermostat: 180 Degrees (Part No.14128)

Carquest Premium – Standard Thermostat: 170 Degrees (Part No.14337)

Carquest Premium – Standard Thermostat: With Seal, 203 Degrees (Part No.15112)

Carquest Premium – Radiator Cap: 13 PSI (Part No.10327)

Carquest Premium – Thermostat (Part No.48227)

Motorad UltraStats – Thermostat: 170 Degrees (Part No.5302-170)

Carquest Premium - Coolant Temperature Sensor (Part No.WTC1016)

Carquest Premium - Multi Purpose Relay (Part No.RAA1742)

NTK - Engine Coolant Temperature Sensor (Part No.EF0107)

Dorman - Radiator Mount Bushing (Part No.926-281)

Dorman - Coolant Housing/Water Outlet: With Housing, 30 Degree Neck Angle (Part No.902-5900)

Beck/Arnley - Thermostat (Part No.143-0845)

Carquest Premium - Engine Water Pump: New, Gasket/Seals Included (Part No.T4192)

Delphi - Engine Coolant Temperature Sensor (Part No.TS10064)

Carquest Premium - Radiator Cap Tester Adapter (Part No.12021)

Flex A Lite - Black Magic Electric Fan (Part No.180)

Flex A Lite - Trimline Straight Blade Electric Fan (Part No.116)

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

AISIN - Thermostat (Part No.G4000928163ASC)

NTC - Tama Engine Coolant Temperature Sensor (Part No.C6020463610NTC)

Dorman - Engine Coolant Thermostat Housing (Part No.G4010139563DOR)

Gates - Thermostat (Part No.G4000848509GAT)

NTC - Thermostat (Part No.G4000435521NTC)

Carquest Premium - Engine Coolant Water Inlet (Part No.85421)

Autopart International Inc - Thermostat (Part No.G40001922042API)

Autopart International Inc - Radiator Cap (Part No.G10101929114API)

Ishino Stone - Water Pipe O-Ring (Part No.G2026550536ISH)

Carquest Premium - Blower Motor: With Wheel (Part No.75850)

Carquest Premium - Blower Motor: With Wheel (Part No.76507)

Factory Air - O-Ring & Gasket A/C System Seal Kit (Part No.26748)

Factory Air - Cap & Valve A/C System Seal Kit (Part No.26783)

Carquest Premium - A/C Block Type O-Ring Expansion Valve (Part No.T39026)

Carquest - A/C Compressor Control Relay (Part No.R6054)

Carquest Premium - A/C Filter Drier with Pad Mount (Part No.T83132)

KAI - A/C Service Valve (Part No.FTT010751)

Carquest Premium - Multi Purpose Relay (Part No.RAA1501)

Carquest Premium - Multi Purpose Relay (Part No.RAA1754)

Santech - A/C Pressure Switch (Part No.R1054409646SII)

Carquest Premium - A/C Compressor Relay Connector (Part No.PTA1465)

Santech - A/C O-Ring Kit (Part No.R1151317331SII)

Carquest Premium - AC Pressure Sensor (Part No.ABA1011)

Santech - A/C Receiver Drier (Part No.R10403350772SII)

Carquest Premium - Multi Purpose Relay (Part No.RAA2231)