2006 Lexus RX400H Engine Cooling Parts

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Keep Your 2006 Lexus RX400H in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 2006 Lexus RX400H looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Thermostats, Radiator Caps, and Radiators. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Felpro and Carquest Premium. For example, Felpro Engine Cooling Parts start at just $3.49 with an average 4.6 star rating. Carquest Premium offer similar pricing and quality, backed by strong customer feedback. With over 245 reviews and a solid 4.6 star average, you can shop with confidence knowing other Lexus RX400H owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2006 Lexus RX400H Engine Cooling Part at Advance Auto Parts is around $63.26, with a range that starts at $3.49 and goes up to $284.99. With 30 options in stock from 10 trusted brands, finding the right fit is easy. Popular picks like Carquest Coolant Temperature Sensor, WTC1005, Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5281-180, and Carquest Multi-Purpose Relay, RAA1733 start at just $25.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Part, don’t forget to check out other key components like Blend Doors and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 2006 Lexus RX400H in peak condition, inside and out.

Looking for the perfect Engine Cooling Part for your 2006 Lexus RX400H? You’re in the right place. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Cooling Parts, ensuring durability and a precise fit for your Lexus RX400H. Whether you’re driving a 2006 model or another popular model year like 2007 and 2008, we’ve got you covered. Purchasing Engine Cooling Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle.

Essential 2006 Lexus RX400H Engine Cooling Parts

Dorman Coolant Housing/Water Outlet: with Housing, 902-5926

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$51.99

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.

AISIN Engine Coolant Temperature Sensor, THSAZ-8001

from

$41.99

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.

Motorad Engine Coolant Thermostat Housing Kit: 180 Degrees, 5353KT

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$117.99

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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$16.99

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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$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.

Carquest Fuel Cap Tester Adapter:, 12427

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$34.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Victor Reinz Engine Coolant Thermostat Gasket, 71-12150-00

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$6.99

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.

from

$3.49

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.

Carquest Standard Thermostat: 180 Degrees, 14078

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$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.

Carquest Coolant Housing/Water Outlet, CH7035

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$175.99

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.

Carquest Coolant Housing/Water Outlet, CH5353

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$39.99

Carquest Engine Coolant Reservoir Cap, T127

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$11.99

Carquest Standard Reservoir Cap: 4 PSI, T141

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$40.99

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$284.99

A global leader in the manufacture and distribution of aftermarket cooling products for automotive, heavy truck, and industrial applications. Specialized in the production of OE-quality Radiators, Condensers, and Charge Air Coolers for US and international markets, covering over 10,000 part numbers worldwide. Reach Cooling is headquartered in Miami, Florida, with additional distribution centers in Los Angeles, California and a manufacturing plant in Shanghai, China.

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$186.99

New Platinum Pro Radiator, 3.3 Liter Engine, Automatic Transmission, 1 Row Core

Carquest Radiator Cap Tester Adapter, 12024

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$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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$192.99

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.

Felpro Engine Coolant Thermostat Seal, 35445

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$6.99

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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$16.49

Relay IGNITION/EMISSION – ELECTRICAL COMPONENTS>SWITCHES & RELAYS>RELAYS>RELAYS from DENSO

Carquest Cooling System Tester Adapter, 12025

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$98.99

Popular 2006 Lexus RX400H Engine Cooling Parts Categories

Radiators

Radiator Caps

Thermostats

Coolant Temperature Sensors

Coolant Reservoir Caps

Water Outlets

Thermostat Housings

Thermostat Seals

Thermostat and Water Outlet Gaskets

Water Pump Gaskets

Coolant Outlet Flanges

Engine Coolant Bypass Pipe O-Rings

Radiator Cap Tester Adapters

Heater Relays

Radiator Cap Adapters

Thermostat – Optional Replacements

Cooling System Tester Adapters

Most Popular Thermostats for 2006 Lexus RX400Hs

Enhance your 2006 Lexus RX400H with one of the 4 Thermostats we have in stock, starting at just $19.99.

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Carquest Standard Thermostat: 170 Degrees, 14077

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$19.99

Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5281-180

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$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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$117.99

Motorad UltraStats UltraStat Thermostat - 195 Degrees, 5281-170

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$20.99

UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resitance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components.

Best-Selling 2006 Lexus RX400H Radiator Caps

Upgrade your RX400H with one of our 2 best-selling Radiator Caps, earning an average 4.5 stars rating across 53 reviews.

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$16.99

Carquest Safety Lever Radiator Cap, ST36

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$17.99

Top-Quality Radiators for 2006 Lexus RX400Hs

Choose a high-quality OEM or aftermarket Radiator for Lexus RX400Hs and enjoy top-notch performance from $186.99.

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from

$284.99

from

$186.99

New Platinum Pro Radiator, 3.3 Liter Engine, Automatic Transmission, 1 Row Core

Our Top Pick for a 2006 Lexus RX400H Thermostat and Water Outlet Gasket

Invest in a durable Thermostat and Water Outlet Gasket for your 2006 Lexus, knowing you’re getting trusted brands and expert craftsmanship.

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$6.99

Top-Rated Water Pump Gaskets for 2006 Lexus RX400Hs

Make a smart move for your 2006 Lexus RX400H with products all priced from $16.99.

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$16.99

Victor Reinz Engine Water Pump Gasket, 71-43053-00

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$16.99

Top-Rated Engine Cooling Part Brands For Your 2006 Lexus RX400H

When it comes to finding the perfect Engine Cooling Part for your 2006 Lexus RX400H, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 10 trusted brands. We carry the most popular Engine Cooling Part brands including Felpro and Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $3.49. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2006 Lexus RX400H, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 2006 Lexus RX400H Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2006 Lexus RX400H, Advance Auto Parts has exactly what you need with our selection of Felpro Engine Cooling Parts. We have 3 Felpro Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $3.49 and an average cost of $9.16, you’ll find the perfect Engine Cooling Part for your needs and budget. Felpro Engine Cooling Parts for the 2006 Lexus RX400H come highly rated, with over 82 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $6.99

(76)

Felpro Engine Coolant Thermostat Seal, 35445

“Good”

from $16.99

(5)

Felpro Engine Water Pump Gasket, 35594

“I bought this gasket for sienna 2005, because like the original hard and thick.”

from $3.49

(1)

Felpro Multi-Purpose O-Ring, 35654

“It fit perfectly.”

Top-Quality Carquest Premium 2006 Lexus RX400H Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2006 Lexus RX400H, Advance Auto Parts offers a great selection of Carquest Premium Engine Cooling Parts. With 3 Carquest Premium Engine Cooling Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Cooling Parts start at just $16.99, with an average price of $107.32, giving you a range of options to suit your budget. Backed by over 87 customer ratings and an average rating of 4.5 stars, Carquest Premium Engine Cooling Parts provide both reliability and excellent performance. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $19.99

(33)

Carquest Standard Thermostat: 170 Degrees, 14077

“itss great!”

from $16.99

(53)

Carquest Radiator Cap: 13 PSI, 10241

“Good replacement for OEM”

from $284.99

(1)

Carquest Radiator, 812929

“Perfect fit”

FAQs for 2006 Lexus RX400H Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2006 Lexus RX400Hs?

Out of 30 Engine Cooling Parts that fit 2006 Lexus RX400Hs, the following parts are the top sellers:

Carquest Coolant Temperature Sensor, WTC1005 (12422776) – $39.99
Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5281-180 (11920681) – $26.99
Carquest Multi-Purpose Relay, RAA1733 (12459935) – $25.99

What’s the price range for 2006 Lexus RX400H Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2006 Lexus RX400H range from $3.49 up to $284.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2006 Lexus RX400H?

The average price for Engine Cooling Parts for the 2006 Lexus RX400H is $63.26. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Engine Cooling Parts for my 2006 Lexus RX400H?

The cheapest 2006 Lexus RX400H Engine Cooling Parts we carry are:

Felpro Multi-Purpose O-Ring, 35654 (15780478) – $3.49
Felpro Engine Coolant Thermostat Seal, 35445 (5181607) – $6.99
Victor Reinz Engine Coolant Thermostat Gasket, 71-12150-00 (50313168) – $6.99
Carquest Engine Coolant Reservoir Cap, T127 (50051633) – $11.99
DENSO Relay, 567-0005 (10129707) – $16.49

Does Advance Auto Parts sell Engine Cooling Parts for any other 2006 Lexus models?

Yes. We stock Engine Cooling Parts for 9 other popular 2006 Lexus models. Some of the most popular are 2006 GS300 Engine Cooling Parts, 2006 ES330 Engine Cooling Parts, 2006 RX330 Engine Cooling Parts, 2006 LS430 Engine Cooling Parts, and 2006 LX470 Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 2006 Lexus RX400H?

The one 2006 Lexus RX400H Engine Cooling Part we have in stock is the Felpro Multi-Purpose O-Ring, 35654. It is rated 5 stars and costs $3.49.

What types of Engine Cooling Parts do you sell for my 2006 Lexus RX400H?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 2006 Lexus RX400H:

Can I get help with 2006 Lexus RX400H Engine Cooling Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Lexus Engine Cooling Parts and more.

What is your return policy for Lexus RX400H Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Lexus RX400H Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2006 Lexus RX400H Engine Cooling Parts

Dorman – Dorman Coolant Housing/Water Outlet: with Housing, 902-5926 (Part No.902-5926)

AISIN – AISIN Engine Coolant Temperature Sensor, THSAZ-8001 (Part No.THSAZ-8001)

Motorad – Motorad Engine Coolant Thermostat Housing Kit: 180 Degrees, 5353KT (Part No.5353KT)

Felpro – Felpro Engine Water Pump Gasket, 35594 (Part No.35594)

Carquest Premium – Carquest Radiator Cap: 13 PSI, 10241 (Part No.10241)

Carquest Premium – Carquest Fuel Cap Tester Adapter:, 12427 (Part No.12427)

Victor Reinz – Victor Reinz Engine Coolant Thermostat Gasket, 71-12150-00 (Part No.71-12150-00)

Felpro – Felpro Multi-Purpose O-Ring, 35654 (Part No.35654)

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

Carquest Premium – Carquest Coolant Housing/Water Outlet, CH7035 (Part No.CH7035)

Carquest Premium – Carquest Coolant Housing/Water Outlet, CH5353 (Part No.CH5353)

Carquest Premium – Carquest Engine Coolant Reservoir Cap, T127 (Part No.T127)

Carquest Premium – Carquest Standard Reservoir Cap: 4 PSI, T141 (Part No.T141)

Carquest Premium – Carquest Radiator, 812929 (Part No.812929)

KAI – KAI Radiator, RAD2929 (Part No.RAD2929)

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

Carquest Premium – Carquest Outlet Flange, CH2110 (Part No.CH2110)

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

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

DENSO – DENSO Relay, 567-0005 (Part No.567-0005)

Carquest Premium – Carquest Cooling System Tester Adapter, 12025 (Part No.12025)

Carquest Premium – Carquest Standard Thermostat: 170 Degrees, 14077 (Part No.14077)

Motorad UltraStats – Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5281-180 (Part No.5281-180)

Motorad – Motorad Engine Coolant Thermostat Housing Kit: 180 Degrees, 5353KT (Part No.5353KT)

Motorad UltraStats – Motorad UltraStats UltraStat Thermostat – 195 Degrees, 5281-170 (Part No.5281-170)

Carquest Premium – Carquest Radiator Cap: 13 PSI, 10241 (Part No.10241)

Carquest Premium – Carquest Safety Lever Radiator Cap, ST36 (Part No.ST36)

Carquest Premium – Carquest Radiator, 812929 (Part No.812929)

KAI – KAI Radiator, RAD2929 (Part No.RAD2929)

Victor Reinz – Victor Reinz Engine Coolant Thermostat Gasket, 71-12150-00 (Part No.71-12150-00)

Felpro – Felpro Engine Water Pump Gasket, 35594 (Part No.35594)

Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-43053-00 (Part No.71-43053-00)