2019 Lexus RC300 Engine Cooling Parts

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Keep Your 2019 Lexus RC300 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 2019 Lexus RC300 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Radiator Caps, Radiators, and Heater Relays. 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 Carquest Premium. For example, Carquest Premium Engine Cooling Parts start at just $10.99 with an average 4.5 star rating. With over 8 reviews and a solid 4.0 star average, you can shop with confidence knowing other Lexus RC300 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2019 Lexus RC300 Engine Cooling Part at Advance Auto Parts is around $65.49, with a range that starts at $10.99 and goes up to $285.99. With 9 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Carquest Coolant Temperature Sensor, WTC1005, Carquest Multi-Purpose Relay, RAA1733, and AISIN Engine Coolant Temperature Sensor, THSAZ-8003 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 Air Conditioning Parts and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 2019 Lexus RC300 in peak condition, inside and out.

Essential 2019 Lexus RC300 Engine Cooling Parts

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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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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Carquest Premium – Carquest Engine Coolant Reservoir Cap, 10254 (Part No.10254)

Carquest Engine Coolant Reservoir Cap, 10254

from

$10.99
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.
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Carquest Premium – Carquest Standard Thermostat: 172 Degrees, 1064-172 (Part No.1064-172)

Carquest Standard Thermostat: 172 Degrees, 1064-172

from

$65.99
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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Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 1065-180 (Part No.1065-180)

Carquest Standard Thermostat: 180 Degrees, 1065-180

from

$126.99
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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Carquest Premium – Carquest Radiator, 813570 (Part No.813570)

Carquest Radiator, 813570

from

$179.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach 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 Radiator, 813611 (Part No.813611)

Carquest Radiator, 813611

from

$285.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach 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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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 Coolant Temperature Sensor, WTC1005 (Part No.WTC1005)

Carquest Coolant Temperature Sensor, WTC1005

from

$39.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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AISIN – AISIN Engine Coolant Temperature Sensor, THSAZ-8001 (Part No.THSAZ-8001)

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.
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Carquest Premium – Carquest Coolant Temperature Sensor 1TS1172, WTC2071 (Part No.WTC2071)

Carquest Coolant Temperature Sensor 1TS1172, WTC2071

from

$65.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

Most Popular Radiator Cap for 2019 Lexus RC300s

Enhance your 2019 Lexus RC300 with this popular Radiator Cap we have in stock, for $10.99.

Carquest Premium – Carquest Engine Coolant Reservoir Cap, 10254 (Part No.10254)

Carquest Engine Coolant Reservoir Cap, 10254

from

$10.99
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.
See More

Best-Selling 2019 Lexus RC300 Radiator

Upgrade your RC300 with our best-selling Radiator.

Carquest Premium – Carquest Radiator, 813611 (Part No.813611)

Carquest Radiator, 813611

from

$285.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach 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.
See More

Top-Quality Heater Relays for 2019 Lexus RC300s

Choose a high-quality OEM or aftermarket Heater Relay for Lexus RC300s and enjoy top-notch performance from $25.99.

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.
See More

Top Picks for 2019 Lexus RC300 Thermostats

Invest in one of our 2 durable Thermostats for your 2019 Lexus, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 1065-180 (Part No.1065-180)

Carquest Standard Thermostat: 180 Degrees, 1065-180

from

$126.99
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.
See More

Carquest Premium – Carquest Standard Thermostat: 172 Degrees, 1064-172 (Part No.1064-172)

Carquest Standard Thermostat: 172 Degrees, 1064-172

from

$65.99
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.
See More

Coolant Temperature Sensors for 2019 Lexus RC300s

Make a smart move for your 2019 Lexus RC300 with products all priced from $39.99 to $65.99.

Carquest Premium – Carquest Coolant Temperature Sensor, WTC1005 (Part No.WTC1005)

Carquest Coolant Temperature Sensor, WTC1005

from

$39.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

Carquest Premium – Carquest Coolant Temperature Sensor 1TS1172, WTC2071 (Part No.WTC2071)

Carquest Coolant Temperature Sensor 1TS1172, WTC2071

from

$65.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

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.
See More

Top-Rated Engine Cooling Part Brands For Your 2019 Lexus RC300

When it comes to finding the perfect Engine Cooling Part for your 2019 Lexus RC300, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Engine Cooling Part brands including Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $10.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2019 Lexus RC300, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2019 Lexus RC300 Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2019 Lexus RC300, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Engine Cooling Parts. We have 1 Carquest Premium Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $10.99, you’ll find the perfect Engine Cooling Part for your needs and budget. Carquest Premium Engine Cooling Parts for the 2019 Lexus RC300 come highly rated, with over 4 customer reviews and an impressive average rating of 4.5 stars. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
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.”

FAQs for 2019 Lexus RC300 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2019 Lexus RC300s?

Out of 9 Engine Cooling Parts that fit 2019 Lexus RC300s, the following parts are the top sellers:

What’s the price range for 2019 Lexus RC300 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2019 Lexus RC300 range from $10.99 up to $285.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2019 Lexus RC300?

The average price for Engine Cooling Parts for the 2019 Lexus RC300 is $65.49. 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.

Does Advance Auto Parts sell Engine Cooling Parts for other Lexus RC300 model years?

Yes, we carry Engine Cooling Parts for 8 model years of Lexus RC300s between 2016 and 2025. The following model years are the most popular for Engine Cooling Part purchases: 2022, 2021, 2020, 2018, 2017, 2016, 2025, 2023, and 2024.

What are the cheapest Engine Cooling Parts for my 2019 Lexus RC300?

The cheapest 2019 Lexus RC300 Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 2019 Lexus models?

Yes. We stock Engine Cooling Parts for 13 other popular 2019 Lexus models. Some of the most popular are 2019 ES350 Engine Cooling Parts, 2019 GS300 Engine Cooling Parts, 2019 RX350 Engine Cooling Parts, 2019 GX460 Engine Cooling Parts, and 2019 IS300 Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 2019 Lexus RC300?

The one 2019 Lexus RC300 Engine Cooling Part we have in stock is the Carquest Engine Coolant Reservoir Cap, 10254. It is rated 4 stars and costs $10.99.

What types of Engine Cooling Parts do you sell for my 2019 Lexus RC300?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 2019 Lexus RC300:

Can I get help with 2019 Lexus RC300 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 RC300 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Lexus RC300 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.