2003 Infiniti QX4 Engine Cooling Parts

Essential 2003 Infiniti QX4 Engine Cooling Parts

Dorman – Thermostat Assembly: Includes Housing, Gasket, and Thermostat, 180 Degrees (Part No.902-5149)

Thermostat Assembly: Includes Housing, Gasket, and Thermostat, 180 Degrees

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$37.49
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet on specified vehicle years, makes and models.
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking.
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housing assemblies
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Dorman – Help – Radiator Drain Cocks (Part No.61137)

Radiator Drain Cocks

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$8.99
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.

Product Features:
  • Direct replacement – this radiator drain petcock matches the fit and function of the original equipment part.
  • Durable construction – this part is made of quality materials for a long service life
  • Saves money – offers original equipment quality at a competitive price
  • Quality assured – this petcock has undergone virtual testing to assure proper fit and function
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Permatex – The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ (Part No.34310)

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

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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
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Felpro – Engine Coolant Outlet Gasket (Part No.35368)

Engine Coolant Outlet Gasket

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$3.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Dorman – Coolant Housing/Water Outlet: With Housing, 90 Degree Neck Angle (Part No.902-5009)

Coolant Housing/Water Outlet: With Housing, 90 Degree Neck Angle

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$25.49
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
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Dorman – Engine Cooling Fan Pulley Bracket (Part No.300-818)

Engine Cooling Fan Pulley Bracket

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$81.99
This engine cooling fan pulley bracket 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 engine cooling fan pulley bracket matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this bracket 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
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Carquest Premium – Universal Fan Clutch – 6" Import/Compact (Part No.215062)

Universal Fan Clutch - 6" Import/Compact

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$85.99
Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
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Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

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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
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Carquest Premium – Temperature Sender With Gauge and O-Ring (Part No.WTC1056)

Temperature Sender With Gauge and O-Ring

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$12.99
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.
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Felpro – Engine Water Pump Installation Kit (Part No.ES 70894)

Engine Water Pump Installation Kit

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$8.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Dorman – Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement (Part No.603-607)

Non-Pressurized Coolant Reservoir: White, Plastic, Original Equipment Replacement

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$85.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Product Features:
  • Direct replacement – this engine coolant reservoir matches the fit and function of the original part.
  • Ideal solution – engineered for a seamless installation.
  • Durable construction – manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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Carquest Premium – Multi Purpose Relay (Part No.RAA1742)

Multi Purpose Relay

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$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.
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Beck/Arnley – Water Pump Gasket (Part No.039-4127)

Water Pump Gasket

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$7.99
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
  • Metal where applicable
  • Quality construction for durability
  • Packaged in clear plastic for easy visibility and identification of all components
  • Application specific for this vehicle
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NTC – Water Temperature Sender (Part No.P4036113246NTC)

Water Temperature Sender

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$12.93
Water Temperature Sender

Felpro – Engine Coolant Outlet Gasket (Part No.35622)

Engine Coolant Outlet Gasket

from

$3.49
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 Tester Adapter (Part No.12021)

Radiator Cap Tester Adapter

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

Radiator and Reservoir Caps

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$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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Dorman – Cooling Fan Pulley B (Part No.G5055654902DOR)

Cooling Fan Pulley B

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$110.98
Cooling Fan Pulley B

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

Trimline Straight Blade Electric Fan

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$119.99
Trimline Straight Blade Electric Fan

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

Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack

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
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Beck/Arnley – Water Outlet Gasket (Part No.039-0124)

Water Outlet Gasket

from

$5.99
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
  • High quality rubber or composite material designed to withstand high heat conditions
  • Quality construction for durability
  • Packaged in clear plastic for easy visibility and identification of all components
  • Application specific for this vehicle
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Dorman – Radiator Mount Bushing (Part No.926-281)

Radiator Mount Bushing

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

Water Pipe O-Ring

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$2.33
Water Pipe O-Ring

NOK – Water Pump Gasket (Part No.G3040477059NOK)

Water Pump Gasket

from

$5.36
Water Pump Gasket

Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13948)

Standard Thermostat: 180 Degrees

from

$17.49
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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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432465)

Radiator: With Transmission Oil Cooler

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$226.99
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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AISIN – OE Replacement Water Pump (Part No.G3000140376ASC)

OE Replacement Water Pump

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$122.56
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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NPW – NPW Water Pump (Part No.G3000278194NPW)

NPW Water Pump

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$97.93
The NPW water pump is a 100% new replacement and contains no remanufactured components, assuring original equipment performance, quality and fit.

Product Features:
  • OE-Equivalent and direct fit application.
  • 100% new with no remanufactured parts.
  • Advanced impeller design.
  • Quality cast housing.
  • Precision bearings.
  • Resistant to corrosion.
  • Unitized bearing assembly.
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2003 Infiniti QX4 Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Infiniti QX4. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 58 different Engine Cooling Parts in our inventory ranging from $2.33 to $569.99. That means you can find the exact parts or products you need to keep that 2003 Infiniti QX4 running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 28 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Infiniti QX4. Permatex, Carquest Premium, and Dorman are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Cooling Parts for your 2003 Infiniti QX4, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 543 reviews in this category, some of the top rated parts include Engine Coolant Outlet Gasket with 4.0 stars and Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack with 5.0 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Infiniti QX4 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Cooling Parts Brands To Make Your 2003 Infiniti QX4 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Infiniti QX4 demands trusted brand parts and products to keep it running. Many trusted brands of Engine Cooling Parts make up Advance Auto Parts’ inventory, and all are ready to help make your QX4 the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Stant Engine Cooling Parts

We carry Stant parts in our stock across Radiator Caps categories, plus more. For a 2003 Infiniti QX4, our most popular Stant Engine Cooling Parts include:
Radiator and Reservoir Caps
from $8.06
(1)
Radiator and Reservoir Caps
Radiator Caps

FAQs for 2003 Infiniti QX4 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 Infiniti QX4?

Out of 58 Engine Cooling Parts for the 2003 Infiniti QX4, the most popular in our inventory are:
Radiator Cap: 13 PSI
from $11.99
(193)
Radiator Cap: 13 PSI
Radiator Caps
Radiator Cap: 13 PSI
from $18.79
(21)
Radiator Cap: 13 PSI
Radiator Caps
Coolant Temperature Sensor
from $29.99
This product is not rated
Coolant Temperature Sensor
Coolant Temperature Sensors

What are the top-rated 2003 Infiniti QX4 Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 Infiniti QX4 based on customer reviews/ratings are:
Engine Coolant Outlet Gasket
from $3.49
(16)
Engine Coolant Outlet Gasket
“USED THIS GASKET FOR MY 1996 I30. FIT ON PERFECTLY. ABSOLUTELY NO LEAKS HOWEVER I DID USE A THIN COAT OF SEALANT.”
Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack
from $9.99
(5)
Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack
“Perfect replacement cap for my antifreeze reservoir on 2007 Mazda 6. The previous cap had a tear after I twisted it too hard.”
Engine Water Pump: New, Gasket/Seals Included
from $74.99
(5)
Engine Water Pump: New, Gasket/Seals Included
“Installed on a 1995 Maximawww.vqpower.com/v2/articles.php?article_id=68”