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 50 Engine Cooling Parts from top brands with prices ranging from $1.24 to $358.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Cooling Parts for your Lexus RX450h. Of the 22 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 RX450h 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 RX450h Engine Cooling Parts

Carquest Premium – Engine Drive Motor Inverter Cooler Water Pump: New, Plastic Housing (Part No.T1217)

Engine Drive Motor Inverter Cooler Water Pump: New, Plastic Housing

from

$265.99
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.

Product Features:
  • Built to meet or exceed OE fit, form and function
  • All components necessary for installation are supplied with pump
  • 100% tested for reliable performance
  • Follow all enclosed instructions to maximize pump life and validate warranty
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Stant – THERMOSTAT SEAL (Part No.27286)

THERMOSTAT SEAL

from

$1.49
THERMOSTAT SEAL

Beck/Arnley – Thermostat Gasket (Part No.039-0104)

Thermostat Gasket

from

$5.49
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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Carquest Premium – Standard Thermostat: 180 Degrees (Part No.14078)

Standard Thermostat: 180 Degrees

from

$17.79
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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Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Sensor-Safe, High-Torque RTV Silicone Gasket Maker

from

$11.49
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 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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Elring – SEAL RING – COPPER (Part No.4M20011240ELR)

SEAL RING - COPPER

from

$1.24
SEAL RING – COPPER

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

Engine Coolant Thermostat Housing 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.
  • Application specific design provides an exceptional fit.
  • Validated for fit, form, and function.
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NPW – Water Pump (Part No.G3000848775NPW)

Water Pump

from

$111.11
Water Pump

Koyo Cooling – Radiator (Part No.G1000657093KCS)

Radiator

from

$269.63
Radiator

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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Permatex – Sensor-Safe, High Torque RTV Silicone Gasket Maker (Part No.22074)

Sensor-Safe, High Torque RTV Silicone Gasket Maker

from

$6.99
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.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
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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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Felpro – Engine Water Pump Gasket (Part No.35807)

Engine Water Pump Gasket

from

$24.99
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
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Dorman – Coolant Housing/Water Outlet: With Housing, 50 Degree Neck Angle (Part No.902-5932)

Coolant Housing/Water Outlet: With Housing, 50 Degree Neck Angle

from

$38.49
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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KAI – Radiator Support Tie Bar (Part No.LX1225153)

Radiator Support Tie Bar

from

$88.99
New Standard Replacement Radiator Support Upper Tie Bar

Product Features:
  • Made Of Steel
  • 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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Carquest Premium – Coolant Housing/Water Outlet (Part No.85355)

Coolant Housing/Water Outlet

from

$29.99
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
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • 100% leak tested
  • Direct-fit replacement for ease of installation
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Sankei Switches – Engine Coolant Temperature Sensor (Part No.C6020243726SAK)

Engine Coolant Temperature Sensor

from

$26.92
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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DENSO – Engine Coolant Temperature Sensor (Part No.193-1000)

Engine Coolant Temperature Sensor

from

$82.99
DENSO’s engine coolant temperatures sensors are manufactured to the stricktest OE standards resulting in superior efficiency. OE quality with precise sensing elements. Exact fit which controls fuel injection ignition timing and transmission shifting.

Product Features:
  • OE technology adapted for the aftermarket
  • Reduces emissions, increased performance
  • Delivers the highest reliability and detection accuracyá
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Ishino – Water Pipe O-Ring, For Water Bypass Pipe (Part No.G202666546ISH)

Water Pipe O-Ring, For Water Bypass Pipe

from

$5.57
Water Pipe O-Ring, For Water Bypass Pipe

Felpro – WATER PUMP MOUNTING GASKET SET (Part No.ES 73114)

WATER PUMP MOUNTING GASKET SET

from

$53.99
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
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Engine Cooling Parts Brands You Can Trust For Your Lexus RX450h

22 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:

Popular Beck/Arnley Engine Cooling Parts

Beck/Arnley products for the Lexus RX450h span several categories. Some of the highest-rated Beck/Arnley Engine Cooling Parts that will fit your Lexus RX450h are:
Thermostat Gasket
from $5.49
(25)
Thermostat Gasket
Thermostat and Water Outlet Gaskets

Top Lexus RX450h Engine Cooling Parts from Permatex

Your Lexus RX450h will be purring again thanks to Permatex brand Engine Cooling Parts available for online order or in-store pick up. Popular Permatex parts include:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Engine Water Pump Inlet Pipe Gaskets
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets
Sensor-Safe, High Torque RTV Silicone Gasket Maker
from $6.99
(9)
Sensor-Safe, High Torque RTV Silicone Gasket Maker
Engine Water Pump Inlet Pipe Gaskets

Most Purchased Lexus RX450h 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 RX450h. 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
Engine Water Pump Inlet Pipe Gaskets
Engine Water Pump: New, Gasket/Seals Included
from $134.99
(23)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Radiator Cap: 16 PSI
from $14.99
(137)
Radiator Cap: 16 PSI
Radiator Caps

FAQs for Lexus RX450h Engine Cooling Parts

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

Out of 50 Engine Cooling Parts for the Lexus RX450h, the most popular in our inventory are:
Radiator Cap: 16 PSI
from $14.99
(137)
Radiator Cap: 16 PSI
Radiator Caps
Standard Thermostat: 180 Degrees
from $17.79
(75)
Standard Thermostat: 180 Degrees
Thermostats
Engine Coolant Thermostat Seal
from $5.49
(76)
Engine Coolant Thermostat Seal
Engine Coolant Water Inlet Seals

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:
Standard Thermostat: 170 Degrees
from $17.29
(33)
Standard Thermostat: 170 Degrees
“Return it”
Engine Water Pump: New, Gasket/Seals Included
from $134.99
(23)
Engine Water Pump: New, Gasket/Seals Included
“My van started getting hot and the water was leaking out of the side of the block and it scared me and I thought I really messed up my van. Thank good”
Thermostat
from $8.79
(9)
Thermostat
“Install with jiggle valve on top to allow air to purge from cooling system.”