2003 Toyota 4Runner Engine Cooling Parts

Essential 2003 Toyota 4Runner Engine Cooling Parts

FAE – Water Temp. Sensor (Part No.C6020947111FAE)

Water Temp. Sensor

from

$29.82
The FAE Engine Coolant Temperature Sensor is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
See More

Carquest Premium – Multi Purpose Relay (Part No.RAA1244)

Multi Purpose Relay

from

$40.99
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.
See More

US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK1071)

Water Pump with Fan Clutch

from

$219.99
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
See More

Carquest Premium – Coolant Temperature Sensor with Thread Sealant and Washer (Part No.WTC1057)

Coolant Temperature Sensor with Thread Sealant and Washer

from

$27.99
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.
See More

Permatex – Ultra Grey RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

Ultra Grey RTV Silicone Gasket Maker, 13 OZ

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
See More

Carquest Premium – Multi Purpose Relay (Part No.RAA1522)

Multi Purpose Relay

from

$29.49
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.
See More

Felpro – THERMOSTAT GASKET (Part No.35644)

THERMOSTAT GASKET

from

$2.49
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 to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Dorman – Engine Cooling Fan Pulley Bracket (Part No.300-804)

Engine Cooling Fan Pulley Bracket

from

$151.99
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
See More

Felpro – Engine Water Pump Gasket (Part No.35519)

Engine Water Pump 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
See More

DENSO – First Time Fit Relay (Part No.567-0005)

First Time Fit Relay

from

$15.99
DENSO+s First Time Fit relays are no different from the OE relays DENSO has manufactured for over 60 years + built to be quiet, efficient, and reliable. Designed and manufactured to outlast the closest competitor by a minimum of ten times more life cycles, DENSO+s First Time Fit Relays will most likely out last your car. Holding approximately 30,000 active patents worldwide – approximately 7,300 in the United States – DENSO is going all out to design groundbreaking systems and components tuned especially to consumers’ specifications – whether they are drivers, passengers, pedestrians or society as a whole.

Product Features:
  • Lifecycle lasts up to 10 times longer than the competitor’s
  • Flux free micro arc welding versus competitors that solder
  • High conductive material that does not corrode
  • Shortest path for the electrical current improves efficiency
  • Offered by world’s largest relay manufacturer
See More

Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.84923)

Coolant Housing/Water Outlet: Gasket Included

from

$43.49
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • Direct-fit replacement for ease of installation
See More

AISIN – Engine Cooling Fan Blade (Part No.G5050283562ASC)

Engine Cooling Fan Blade

from

$80.27
Engineered to exacting OE specifications, AISIN fan blade makes cars lighter in weight and higher in performance through diversity of products for drive systems, engines, and vehicle bodies.

Product Features:
  • Light weight and high performance
  • Maintains optimal pressurization between fan and radiator
  • Decreases rotational mass for maximum air ventilation
See More

Carquest Premium – Temperature Sender With Gauge (Part No.WTC1066)

Temperature Sender With Gauge

from

$15.99
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.
See More

Carquest Premium – Radiator Cap: 16 PSI (Part No.10242)

Radiator Cap: 16 PSI

from

$14.99
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
See More

Dorman – Help – Radiator Drain Cocks (Part No.61136)

Radiator Drain Cocks

from

$4.99
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.

Product Features:
  • Direct replacement – this radiator drain petcock matches the fit and function of the original equipment part
  • Durable construction – this part is made of quality materials for a long service life
  • Saves money – offers original equipment quality at a competitive price
  • Quality assured – this petcock has undergone virtual testing to assure proper fit and function
See More

AISIN – Engine Cooling Fan Blade (Part No.G5050283778ASC)

Engine Cooling Fan Blade

from

$63.92
Engineered to exacting OE specifications, AISIN fan blade makes cars lighter in weight and higher in performance through diversity of products for drive systems, engines, and vehicle bodies.

Product Features:
  • Light weight and high performance
  • Maintains optimal pressurization between fan and radiator
  • Decreases rotational mass for maximum air ventilation
See More

Dorman – Expansion Tank Cap (Part No.G1040751968DOR)

Expansion Tank Cap

from

$14.54
Dorman offers a variety of Engine Coolant Recovery Tank Caps for a range of applications. All Dorman Engine Coolant Recovery Tank Caps are constructed of high-quality plastic. They effectively protect the cooling system by providing a tight seal against the elements.

Product Features:
  • Save time, money and labor by replacing only the Cap – instead of the entire Engine Coolant Recovery Tank
  • Direct replacement for a proper fit every time
  • A necessary safety item – prevents coolant from splashing and/or leaking
  • Available in diverse styles, including screw-on and snap-on
See More

KAI – Cooling Fan Shroud (Part No.TO3110153)

Cooling Fan Shroud

from

$44.99
New Platinum Pro Radiator Fan Shroud, 4.0 Liter V6 Engine

Product Features:
  • 4.0 Liter V6 Engine, Made Of Plastic
  • 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
See More

AISIN – Engine Cooling Fan Clutch (Part No.G5010459209ASC)

Engine Cooling Fan Clutch

from

$159.65
AISIN Fan Clutch quickly adjusts to temperature changes to provide efficient, controlled cooling. Providing optimal cooling performance without sacrificing engine efficiency, AISIN Fan Clutches are always OE Matched.

Product Features:
  • OE Matched Quality
  • Delivers precise fan speeds in proportion to engine RPM.
  • Optimal cooling performance is achieved through monitoring air temperature accurately without creating excess engine load.
See More

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

Radiator Cap Tester Adapter

from

$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
See More

Motorad UltraStats – Thermostat: 192 Degrees (Part No.5240-192)

Thermostat: 192 Degrees

from

$13.49
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
See More

Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35809)

Engine Coolant Thermostat Housing Gasket

from

$5.49
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
  • Validated for fit, form, and function
  • Quality that you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Felpro – O-RING (Part No.35654)

O-RING

from

$5.99
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
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Felpro – WATER OUTLET GASKET (Part No.35278)

WATER OUTLET GASKET

from

$4.99
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More

Mr. Gasket – Thermocap Radiator Cap (Part No.2470R)

Thermocap Radiator Cap

from

$44.99
Knowing your coolant temperature can help to prevent burn injuries. Thermo Cap, with its built-in calibrated thermometer, indicates the coolant temperature. This is useful information prior to cap removal. Never attempt to remove Thermo Cap when the coolant temperature is very hot. The escaping hot coolant and steam may burn you. Check the Thermo Cap temperature indicator to determine if the coolant is cool enough to make removing Thermo Cap safe. If the coolant is very hot, then thoroughly rinse the radiator with cool water, until the coolant temperature drops into a cooler safe zone Thermo Cap’s integrated coolant reclamation valve works great with your coolant recovery system. Your radiator can reclaim coolant from your overflow bottle. Wide 30 degree to 270 degree Fahrenheit temperature range. Calibrated in centigrade and Fahrenheit. Color-coded temperature ranges. Chromed crown with a colored trim ring. Indicates coolant temperature, Helps to prevent coolant injuries, integrated coolant reclamation valve, Improves under hood appearance, Fits most domestic or import vehicles and various valve pressures available.

Product Features:
  • Indicates coolant temperature
  • Helps to prevent coolant injuries
  • Integrated coolant reclamation valve
  • Improves under hood appearance
  • Fits most domestic vehicles
  • Built in calibrated thermometer
See More

Imperial – Electric Fan – 14" Diameter (Part No.226114)

Electric Fan - 14" Diameter

from

$99.99
Product Features:
  • Motors built and tested to quality specifications
  • 14 in. universal fit reversible fan
  • 1250 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
See More

Permatex – The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge (Part No.34311)

The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge

from

$28.49
Specifically designed to perform under higher torque loads associated with engines having closely spaced bolt patterns (typically import vehicles). This product is blowout resistant, allowing leakproof gaskets to be made and put into service in just one minute. Sensor-safe, The Right Stuff GREY seals instantly, forming a reliable, long lasting elastomeric rubber gasket that outperforms pre-molded gaskets. Specified by major import OEMs, this material is resistant to powertrain fluids (oil, coolant and ATF) and operates in environments to 450°F (232°C) continuous; 500°F (260°C) intermittent.

Product Features:
  • Ideal for rigid cast aluminum parts
  • Meets OEM Specifications
  • Sensor safe & non-corrosive
  • Performs under higher torque loads associated with engines having closely spaced bolt patterns (typical of import vehicles)
  • Blowout resistant, allowing leakproof gaskets to be made in just one minute
  • Seals instantly, forming a reliable, long lasting elastomeric rubber gasket
  • Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants
  • Temperature range -60°C to 260°C (-75°F to 500°F) intermittent
  • Applications: Automotive, industrial and marine gaskets, valve covers, gearbox covers, pumps, compressors, oil pans, thermostat housings, water pumps, etc.
See More

Santech – A/C Servo (Part No.R20402094842SII)

A/C Servo

from

$69.38
A/C Servo

2003 Toyota 4Runner Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Toyota 4Runner. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 90 different Engine Cooling Parts in our inventory ranging from $1.22 to $332.99. That means you can find the exact parts or products you need to keep that 2003 Toyota 4Runner running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 25 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Toyota 4Runner. Permatex, Carquest Premium, and Felpro 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 Toyota 4Runner, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 4,077 reviews in this category, some of the top rated parts include Electric Fan – 12" Diameter with 3.5 stars and Adjustable Thermostatic Fan Control with 4.8 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Toyota 4Runner 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 Toyota 4Runner Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Toyota 4Runner 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 4Runner the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Sankei Switches Engine Cooling Parts

We carry Sankei Switches parts in our stock across Radiator Caps categories, plus more. For a 2003 Toyota 4Runner, our most popular Sankei Switches Engine Cooling Parts include:
Sankei Switches Radiator Cap
from $9.57
(1)
Sankei Switches Radiator Cap
Radiator Caps

FAQs for 2003 Toyota 4Runner Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 Toyota 4Runner?

Out of 90 Engine Cooling Parts for the 2003 Toyota 4Runner, the most popular in our inventory are:
Radiator Cap: 16 PSI
from $14.99
(137)
Radiator Cap: 16 PSI
Engine Coolant Thermostat Housing Caps
Standard Thermostat: 170 Degrees
from $20.79
(40)
Standard Thermostat: 170 Degrees
Thermostats
Engine Coolant Thermostat Seal
from $5.49
(76)
Engine Coolant Thermostat Seal
Engine Coolant Pipe Seals

What are the top-rated 2003 Toyota 4Runner Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 Toyota 4Runner based on customer reviews/ratings are:
Electric Fan - 12" Diameter
from $94.99
(38)
Electric Fan – 12" Diameter
“good”
Adjustable Thermostatic Fan Control
from $22.99
(35)
Adjustable Thermostatic Fan Control
“good price, but does not come with knob to set temp”
Electric Fan 16" Diameter
from $92.99
(34)
Electric Fan 16" Diameter
“Awesome”