2003 Lexus ES300 Engine Cooling Parts

Essential 2003 Lexus ES300 Engine Cooling Parts

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

Multi Purpose Relay

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$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.
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Carquest Premium – Coolant Housing/Water Outlet (Part No.85150)

Coolant Housing/Water Outlet

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$67.99
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
  • Direct-fit replacement for ease of installation
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
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DENSO – First Time Fit Relay (Part No.567-0005)

First Time Fit Relay

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$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
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Carquest Premium – Multi Purpose Relay (Part No.RAA1252)

Multi Purpose Relay

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$33.49
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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KAI – Rad/Condenser Fan Assembly (Part No.LX3115107)

Rad/Condenser Fan Assembly

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$179.99
New Platinum Pro Radiator And Condenser Fan Assembly, 2-Prong Plug

Product Features:
  • 2-Prong Plug
  • 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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Permatex – Ultra Grey RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

Ultra Grey RTV Silicone Gasket Maker, 13 OZ

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

Radiator Cap: 16 PSI

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$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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Factory Air – Engine Mounted Cooling Fan Temperature Switch (Part No.36472)

Engine Mounted Cooling Fan Temperature Switch

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$82.99
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
  • Brass construction for accurate temperature sensing
  • Zinc coated terminal to resist corrosion
  • Vehicle specific applications
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AISIN – OE Replacement Water Pump (Part No.G300054487ASC)

OE Replacement Water Pump

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$119.07
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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Kuzeh – Thermostat (Part No.G4000403177KUZ)

Thermostat

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$23.71
Kuzeh 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
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Felpro – WATER OUTLET GASKET (Part No.35648)

WATER OUTLET GASKET

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$1.49
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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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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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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Dorman – Radiator Fan Assembly: Dual, Cost Effective & Reliable (Part No.620-532)

Radiator Fan Assembly: Dual, Cost Effective & Reliable

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$232.99
This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles
  • Complete package – assembly is designed with the same materials and components as the original part
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432542)

Radiator: With Transmission Oil Cooler

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$179.99
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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Dorman – Coolant Housing/Water Outlet: With Housing (Part No.902-5926)

Coolant Housing/Water Outlet: With Housing

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$45.49
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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Felpro – Engine Water Pump Gasket (Part No.35519)

Engine Water Pump Gasket

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$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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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
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URO Parts – Water Temperature Sensor (Part No.LNA1600AA)

Water Temperature Sensor

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$8.99
URO Parts has been a leading brand of replacement auto parts for European vehicles for more than thirty years. Affordable yet dedicated to quality, URO Parts controls its production process in strict accordance with ISO/TS 16949 QMS specifications and offers a wide variety of components used to restore or repair engine, electrical, drive train, braking, steering, suspension, climate control, cooling, exhaust, and fuel systems in classic to late-model German, British, and Scandinavian vehicles. Looking for parts that are even higher quality than original equipment? URO Parts engineers analyze common failures and identify weaknesses in original equipment parts when creating URO Premium components, which are superior to OE in performance and reliability thanks to improved materials and more robust designs. Thanks to high-quality, competitively-priced URO Parts and bulletproof URO Premium replacement components, owning a prestigious European vehicle is no longer an expensive luxury reserved for the elite and wealthy.

Product Features:
  • Guaranteed fitment
  • Direct-fit OE replacement design restores proper factory cooling fan sensor function
  • Easy plug-and-play connection
  • Manufactured using high-quality materials to withstand intense engine compartment and cooling system heat
  • Alloy conductors minimize electrical resistance for accurate operation
  • Designed and tested for reliability and long life
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Dorman – Help – Radiator Drain Cocks (Part No.61125)

Radiator Drain Cocks

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$7.29
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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Elring – SEAL RING – COPPER (Part No.4M20011240ELR)

SEAL RING - COPPER

from

$1.22
SEAL RING – COPPER

Forecast – Engine Cooling Auxiliary Thermo-Fan Switch (Part No.G5030261467FOR)

Engine Cooling Auxiliary Thermo-Fan Switch

from

$47.10
The Forecast Engine Cooling Thermo-Fan Switch is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Corrosion resistant housings
  • Nickel-plated or brass terminals for superior conductivity
  • High-temp composite O.E.M.-type connectors designed to mate with vehicle wiring harness without modification
  • Thermal switches matched to OEM temperatures to assure consistent performance
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Stant – THERMOSTAT SEAL (Part No.27286)

THERMOSTAT SEAL

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$1.49
THERMOSTAT SEAL

Permatex – Ultra Grey RTV Gasket Maker (9.5 oz.) (Part No.85084)

Ultra Grey RTV Gasket Maker (9.5 oz.)

from

$32.99
OEM specified. Designed specially for high-torque and high vibration applications, like those common in import engines, this premium RTV gasket maker exceeds manufacturers’ performance requirements. Sensor-safe, low odor, and non-corrosive. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Temperature range -65ºF to 500ºF (-54 Deg. C to 260 Deg. C) intermittent.

Product Features:
  • Designed specially for high-torque and high vibration applications
  • Maximum vibration resistance with outstanding resistance to oils, cooling and shop fluids
  • OEM specified
  • Low-odor, non-corrosive formula
  • Temperature Range: -65 Deg. F to 500 Deg. F (-54 Deg. C to 260 Deg. C)
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Futaba – Water Outlet Cap (Part No.G304465226FEW)

Water Outlet Cap

from

$15.55
Water Outlet Cap

Felpro – Engine Coolant Thermostat Seal (Part No.35445)

Engine Coolant Thermostat Seal

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 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 – Radiator Mount Bushing (Part No.926-278)

Radiator Mount Bushing

from

$9.89
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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Dorman – Radiator Mount Bushing (Part No.926-279)

Radiator Mount Bushing

from

$21.99
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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2003 Lexus ES300 Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Lexus ES300. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 64 different Engine Cooling Parts in our inventory ranging from $1.22 to $242.70. That means you can find the exact parts or products you need to keep that 2003 Lexus ES300 running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 27 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Lexus ES300. 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 Lexus ES300, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 781 reviews in this category, some of the top rated parts include Engine Water Pump: New, Gasket/Seals Included with 4.1 stars and Radiator: With Transmission Oil Cooler with 4.0 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Lexus ES300 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 Lexus ES300 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Lexus ES300 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 ES300 the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Bosch Engine Cooling Parts

We carry Bosch parts in our stock across Water Pumps categories, plus more. For a 2003 Lexus ES300, our most popular Bosch Engine Cooling Parts include:
Water Pump
from $81.14
(1)
Water Pump
Water Pumps

Top 2003 Lexus ES300 Engine Cooling Parts from Carquest Premium

Carquest Premium products are another trusted brand when it comes to Engine Cooling Parts for your 2003 Lexus ES300. Popular Carquest Premium parts include:
Radiator Cap: 16 PSI
from $13.99
(193)
Radiator Cap: 16 PSI
Engine Coolant Thermostat Housing Caps
Standard Thermostat: 180 Degrees
from $17.79
(75)
Standard Thermostat: 180 Degrees
Thermostats
Radiator Cap: 16 PSI
from $21.99
(41)
Radiator Cap: 16 PSI
Radiator Caps

FAQs for 2003 Lexus ES300 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 Lexus ES300?

Out of 64 Engine Cooling Parts for the 2003 Lexus ES300, the most popular in our inventory are:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Water Pump Gaskets
Engine Coolant Thermostat Seal
from $5.49
(76)
Engine Coolant Thermostat Seal
Engine Coolant Pipe Seals
Standard Thermostat: 170 Degrees
from $17.29
(33)
Standard Thermostat: 170 Degrees
Thermostats

What are the top-rated 2003 Lexus ES300 Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 Lexus ES300 based on customer reviews/ratings are:
Engine Water Pump: New, Gasket/Seals Included
from $83.99
(13)
Engine Water Pump: New, Gasket/Seals Included
“Replaced on a 1996 Toyota Camry 2.2 engine. Great price with code entry, and as always Advance Auto Parts had it in stock! The water pump is the exac”
Radiator: With Transmission Oil Cooler
from $239.99
(10)
Radiator: With Transmission Oil Cooler
“Fit was great for Lexus ES330 2004 no problems.”
Ultra Grey RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(9)
Ultra Grey RTV Silicone Gasket Maker, 0.5 OZ
“Did exactly what I needed it to do”