Lexus GS450h Engine Cooling Parts

Your One-Stop Shop For Trusted Lexus GS450h Engine Cooling Parts

If you’re in search of Lexus GS450h Engine Cooling Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 43 Engine Cooling Parts from top brands with prices ranging from $1.49 to $519.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Cooling Parts for your Lexus GS450h. Of the 19 OEM and aftermarket parts brands we carry, some of the most popular are Permatex, Carquest Premium, and FELPRO.

And don’t forget to read customer reviews across all Engine Cooling Parts categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Engine Cooling Parts have to cost top dollar, and we prove it. Browse our top Lexus GS450h Engine Cooling Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Lexus GS450h Engine Cooling Parts

Koyo Cooling – Radiator (Part No.G1000317108KCS)

Radiator

from

$277.96
Plastic Tank / Aluminum Core Radiator Koyo radiators are available in plastic tank and aluminum core. The Nocolok brazing line keeps the highest quality standards, bringing you superior products you can rely on. The Koyo Cooling radiator has been engineered to the highest standards and incorporates application specific mounting locations for all fan shrouds, inlet-outlet hoses and top-bottom mounting pins, ensuring quick and pain-free installs.

Product Features:
  • All Aluminum Core and Plastic Tank
  • OE Style mounting brackets and hose connections
  • Integrated transmission oil cooler when applicable
  • Compact and lightweight
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Sankei Switches – Sankei Switches Radiator Cap (Part No.G101045813SAK)

Sankei Switches Radiator Cap

from

$11.27
The Sankei Switches radiator cap range has been developed to operate within original equipment manufacturer’s specifications. 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:
  • Meets Original Equipment specifications.
  • Made from premium materials.
  • Designed to function on open cooling systems and overflow reservoir type systems.
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DENSO – First Time Fit Relay (Part No.P2020194560ND)

First Time Fit Relay

from

$25.84
An electrical relay is sort of a magical device: it takes a small electrical signal and uses it to manage a much more powerful current, permitting electrical systems to be both lighter and more dependable at the same time. DENSO has supplied quality relays to the OE automotive world for over 60 years. The very same performance and dependability are available across the replacement aftermarket with DENSO First Time Fit® relays. Engineered to meet the most stringent automaker standards for shock resistance, arcing, and thermal protection, DENSO auto relays feature the lowest return rates in the industry; that equals value for car owners and repair facilities alike

Product Features:
  • Lead-free, solderless construction prevents heat shock and arcing
  • Controlled contact force, self-adjusting air gap increase longevity of the internal parts
  • Industry-standard packaging and footprint
  • Low heat generation
  • Reduced electrical loads
  • Built to last
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Santech – Aux. Fan Control Uni (Part No.G5007755207SII)

Aux. Fan Control Uni

from

$199.49
Aux. Fan Control Uni

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

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

from

$38.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 1 minute
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12024)

Radiator Cap Tester Adapter

from

$16.49
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.620-584)

Radiator Fan Assembly: Dual, Cost Effective & Reliable

from

$401.99
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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Permatex – High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

High-Torque, High-Vibration 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
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Mahle – Engine Coolant Thermostat Gasket (Part No.G4031159173MAH)

Engine Coolant Thermostat Gasket

from

$3.14
The Mahle Engine Coolant Thermostat Gasket is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Seals the thermostat housing and helps prevent coolant from leaking from the engine for proper engine temperature
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Stant – THERMOSTAT SEAL (Part No.27286)

THERMOSTAT SEAL

from

$1.49
THERMOSTAT SEAL

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T5105)

Engine Water Pump: New, Gasket/Seals Included

from

$92.99
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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NTC – Thermostat Assembly (Part No.G4002170984NTC)

Thermostat Assembly

from

$73.76
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
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Motorad – Integrated Thermostat Housing: With Seal, 180 Degrees (Part No.660-180)

Integrated Thermostat Housing: With Seal, 180 Degrees

from

$89.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat housing 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 as well as the design and function of the housing. 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 (Part No.813751)

Radiator

from

$239.99
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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Permatex – Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ (Part No.22071)

Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ

from

$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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Factory Air – Coolant Temp Sensor Switch (Part No.36424)

Coolant Temp Sensor Switch

from

$34.05
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
  • Color coded for easy identification
  • Zinc coated terminal to resist corrosion
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Sankei Switches – Engine Coolant Temperature Sensor (Part No.C6020243726SAK)

Engine Coolant Temperature Sensor

from

$33.13
The Sankei Switches 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
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Carquest Premium – Engine Coolant Reservoir Cap (Part No.10254)

Engine Coolant Reservoir Cap

from

$9.49
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.

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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Dorman – Toyota Bumper Retainer (Part No.963-634D)

Toyota Bumper Retainer

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Felpro – WATER OUTLET GASKET (Part No.35767)

WATER OUTLET GASKET

from

$2.29
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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Victor Reinz – Engine Coolant Outlet Gasket (Part No.71-15549-00)

Engine Coolant Outlet Gasket

from

$4.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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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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Mahle – Water Outlet Gasket (Part No.G3045468453MAH)

Water Outlet Gasket

from

$13.73
Water Outlet Gasket

Felpro – Engine Coolant Outlet Gasket (Part No.35801)

Engine Coolant Outlet Gasket

from

$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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Engine Cooling Parts Brands You Can Trust For Your Lexus GS450h

19 trusted brands of Engine Cooling Parts line our shelves, ready to help keep your Lexus GS450h running smooth. Below are some of the most popular brands and their top Engine Cooling Parts offerings:

Popular Dorman Engine Cooling Parts

Dorman products for the Lexus GS450h span several categories. Some of the highest-rated Dorman Engine Cooling Parts that will fit your Lexus GS450h are:
Toyota Bumper Retainer
from $4.49
(1)
Toyota Bumper Retainer
Engine Coolant Reservoir Clip

Most Purchased Lexus GS450h Engine Cooling Parts from Permatex

When you buy the most frequently purchased Permatex brand Engine Cooling Parts, you can be confident it will be the right part for your Lexus GS450h. Here are the Permatex Engine Cooling Parts Advanced Auto customers buy the most:
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 Housing Gaskets
Radiator Cap: 16 PSI
from $14.99
(137)
Radiator Cap: 16 PSI
Radiator Caps
Engine Coolant Thermostat Seal
from $5.49
(76)
Engine Coolant Thermostat Seal
Thermostat and Water Outlet Gaskets

FAQs for Lexus GS450h Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the Lexus GS450h?

Out of 43 Engine Cooling Parts for the Lexus GS450h, the most popular in our inventory are:
Radiator Cap: 16 PSI
from $14.99
(137)
Radiator Cap: 16 PSI
Radiator Caps
Engine Coolant Thermostat Seal
from $5.49
(76)
Engine Coolant Thermostat Seal
Thermostat and Water Outlet Gaskets
Coolant Temp Sensor Switch
from $34.05
(6)
Coolant Temp Sensor Switch
Coolant Temperature Sensors

What are the top-rated Lexus GS450h Engine Cooling Parts?

Top-rated Engine Cooling Parts for your Lexus GS450h based on customer reviews/ratings are:
Engine Water Pump: New, Gasket/Seals Included
from $92.99
(6)
Engine Water Pump: New, Gasket/Seals Included
“Perfect”
Engine Coolant Reservoir Cap
from $9.49
(4)
Engine Coolant Reservoir Cap
“I had a difficult time finding a coolant reservoir cap for a Toyota Prius. Advance was the only place in town that carried them.”
Engine Coolant Thermostat Housing Gasket
from $5.49
(3)
Engine Coolant Thermostat Housing Gasket
“Just what I needed”