Lexus RX450h Engine Cooling Parts

Your One-Stop Shop For Trusted Lexus RX450h Engine Cooling Parts

If you’re in search of Lexus RX450h Engine Cooling Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 48 Engine Cooling Parts from top brands with prices ranging from $3.29 to $320.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Cooling Parts for your Lexus RX450h.

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 RX450h Engine Cooling Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential Lexus RX450h Engine Cooling Parts

Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T3130 (Part No.T3130)

Carquest Engine Water Pump: New, Gasket/Seals Included, T3130

from

$138.99
Carquest Premium drive motor inverter cooler water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, impeller, controller, gaskets, and seals are designed for long-lasting service life. These electric water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium auxiliary water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.
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Carquest Premium – Carquest Fuel Cap Tester Adapter:, 12427 (Part No.12427)

Carquest Fuel Cap Tester Adapter:, 12427

from

$34.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
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Motorad UltraStats – Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5281-180 (Part No.5281-180)

Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5281-180

from

$26.99
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.
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Felpro – Felpro Engine Coolant Outlet Gasket, 35767 (Part No.35767)

Felpro Engine Coolant Outlet Gasket, 35767

from

$3.29
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Felpro – Felpro Engine Water Pump Gasket, 35807 (Part No.35807)

Felpro Engine Water Pump Gasket, 35807

from

$26.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
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Felpro – Felpro Engine Water Pump Gasket Kit, ES 73114 (Part No.ES 73114)

Felpro Engine Water Pump Gasket Kit, ES 73114

from

$53.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Victor Reinz – Victor Reinz Engine Coolant Thermostat Housing O-Ring, 71-13294-00 (Part No.71-13294-00)

Victor Reinz Engine Coolant Thermostat Housing O-Ring, 71-13294-00

from

$4.99
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.
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Carquest Premium – Carquest Radiator Cap Tester Adapter, 12024 (Part No.12024)

Carquest Radiator Cap Tester Adapter, 12024

from

$17.99
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.
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Carquest Premium – Carquest Coolant Housing/Water Outlet, CH7036 (Part No.CH7036)

Carquest Coolant Housing/Water Outlet, CH7036

from

$140.99
Carquest Premium Thermostat Housings are manufactured with OEM quality materials and safety standards by an OE Supplier. This 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. The construction of this housing is improved over the OE design to fix and update any issues that the OE design may have had.
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Dorman – Dorman Cowl Clip, 963-181D (Part No.963-181D)

Dorman Cowl Clip, 963-181D

from

$5.29
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.
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AISIN – AISIN Engine Coolant Temperature Sensor, THSAZ-8003 (Part No.THSAZ-8003)

AISIN Engine Coolant Temperature Sensor, THSAZ-8003

from

$56.99
AISIN is a leading manufacturer of cooling products for automotive applications, including water pumps and timing belt kits. Our products are known for their high-quality durability and efficient performance, making them a popular choice among car manufacturers and auto enthusiasts alike.
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Carquest Premium – Carquest Reservoir Cap, T162 (Part No.T162)

Carquest Reservoir Cap, T162

from

$61.99
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.
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Carquest Premium – Carquest Multi-Purpose Relay, RAA1733 (Part No.RAA1733)

Carquest Multi-Purpose Relay, RAA1733

from

$25.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
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Carquest Premium – Carquest Radiator Cap: 16 PSI, ST37 (Part No.ST37)

Carquest Radiator Cap: 16 PSI, ST37

from

$21.99
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.
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Victor Reinz – Victor Reinz Engine Coolant Thermostat Housing Gasket, 71-15397-00 (Part No.71-15397-00)

Victor Reinz Engine Coolant Thermostat Housing Gasket, 71-15397-00

from

$7.49
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.
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KAI – KAI Radiator, RAD13118 (Part No.RAD13118)

KAI Radiator, RAD13118

from

$157.99
New Platinum Pro Radiator, 3.5 Liter Engine With Automatic Transmission, With A/C, Without Tow Package
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Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 14078 (Part No.14078)

Carquest Standard Thermostat: 180 Degrees, 14078

from

$18.99
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.
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Motorad – Motorad Integrated Thermostat Housing: With Seal, 188 Degrees, 1040-180 (Part No.1040-180)

Motorad Integrated Thermostat Housing: With Seal, 188 Degrees, 1040-180

from

$119.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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.
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Felpro – Felpro Engine Coolant Thermostat Seal, 35445 (Part No.35445)

Felpro Engine Coolant Thermostat Seal, 35445

from

$6.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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KAI – KAI Radiator Support Tie Bar, LX1225153 (Part No.LX1225153)

KAI Radiator Support Tie Bar, LX1225153

from

$93.99
New Standard Replacement Radiator Support Upper Tie Bar
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Carquest Premium – Carquest Radiator Cap: 16 PSI, 10242 (Part No.10242)

Carquest Radiator Cap: 16 PSI, 10242

from

$16.99
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.
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Carquest Premium – Carquest Radiator, 813625 (Part No.813625)

Carquest Radiator, 813625

from

$308.99
Carquest Premium Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Carquest Premium Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.
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Carquest Premium – Carquest Engine Coolant Thermostat Housing, CH2932 (Part No.CH2932)

Carquest Engine Coolant Thermostat Housing, CH2932

from

$40.99
Carquest Premium Thermostat Housings are manufactured with OEM quality materials and safety standards by an OE Supplier. This 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. The construction of this housing is improved over the OE design to fix and update any issues that the OE design may have had.
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Carquest Premium – Carquest Cooling System Tester Adapter, 12025 (Part No.12025)

Carquest Cooling System Tester Adapter, 12025

from

$98.99
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 cooling systems.
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Motorad – Motorad Engine Coolant Thermostat Housing Kit: 180 Degrees, 2932KT (Part No.2932KT)

Motorad Engine Coolant Thermostat Housing Kit: 180 Degrees, 2932KT

from

$78.99
Kit includes thermostat, housing, and all necessary seals/gaskets to do the complete job. These individual parts are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat and 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. Offset design, air relief valve, and OEM style seals included where applicable.
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Engine Cooling Parts Brands You Can Trust For Your Lexus RX450h

11 trusted brands of Engine Cooling Parts line our shelves, ready to help keep your Lexus RX450h running smooth. Below are some of the most popular brands and their top Engine Cooling Parts offerings:

Top Lexus RX450h Engine Cooling Parts from Carquest Premium

Your Lexus RX450h will be purring again thanks to Carquest Premium brand Engine Cooling Parts available for online order or in-store pick up. Popular Carquest Premium parts include:
Carquest Radiator Cap: 16 PSI, 10242
from $16.99
(137)
Carquest Radiator Cap: 16 PSI, 10242
Engine Coolant Thermostat Housing Caps
Carquest Standard Thermostat: 180 Degrees, 14078
from $18.99
(75)
Carquest Standard Thermostat: 180 Degrees, 14078
Thermostat – Optional Replacements

Most Purchased Lexus RX450h Engine Cooling Parts from Carquest Premium

When you buy the most frequently purchased Carquest Premium brand Engine Cooling Parts, you can be confident it will be the right part for your Lexus RX450h. Here are the Carquest Premium Engine Cooling Parts Advanced Auto customers buy the most:
Carquest Radiator Cap: 16 PSI, 10242
from $16.99
(137)
Carquest Radiator Cap: 16 PSI, 10242
Engine Coolant Thermostat Housing Caps
Carquest Standard Thermostat: 180 Degrees, 14078
from $18.99
(75)
Carquest Standard Thermostat: 180 Degrees, 14078
Thermostat – Optional Replacements

FAQs for Lexus RX450h Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the Lexus RX450h?

Out of 48 Engine Cooling Parts for the Lexus RX450h, the most popular in our inventory are:
Carquest Coolant Temperature Sensor, WTC1005
from $39.99
This product is not rated
Carquest Coolant Temperature Sensor, WTC1005
Coolant Temperature Sensors
Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5281-180
from $26.99
This product is not rated
Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5281-180
Thermostats

What are the top-rated Lexus RX450h Engine Cooling Parts?

Top-rated Engine Cooling Parts for your Lexus RX450h based on customer reviews/ratings are:
Factory Air Coolant Temp Sensor Switch, 36424
from $34.05
(6)
Factory Air Coolant Temp Sensor Switch, 36424
“Installed this product and engine light went off”
Carquest Engine Coolant Reservoir Cap, 10254
from $10.99
(4)
Carquest Engine Coolant Reservoir Cap, 10254
“I had a difficult time finding a coolant reservoir cap for a Toyota Prius. Advance was the only place in town that carried them.”
Carquest Drive Motor Inverter Cooler Water Pump_New, T1217
from $269.99
(1)
Carquest Drive Motor Inverter Cooler Water Pump_New, T1217
“Original AISIN G9040-47090 definitely fits Prius 2010-2011. Prius 2012 and newer and Prius V may require something else (G9040-52010)”