2019 Lexus RX450h Engine Cooling Parts

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2019 Lexus RX450h 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 RX450h looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Thermostats, Coolant Temperature Sensors, 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 Carquest Premium and Felpro. For example, Carquest Premium Engine Cooling Parts start at just $10.99 with an average 4.4 star rating. Felpro offer similar pricing and quality, backed by strong customer feedback. With over 442 reviews and a solid 4 star average, you can shop with confidence knowing other Lexus RX450h owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2019 Lexus RX450h Engine Cooling Part at Advance Auto Parts is around $82.04, with a range that starts at $6.49 and goes up to $306.99. With 11 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Reservoir Cap, Radiator, and Thermostat Assembly: Includes Housing and Thermostat, 189 Degrees start at just $61.99 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 RX450h in peak condition, inside and out.

Essential 2019 Lexus RX450h Engine Cooling Parts

Stant – THERMOSTAT SEAL (Part No.27286)

THERMOSTAT SEAL

from

$1.49
THERMOSTAT SEAL

Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35809)

Engine Coolant Thermostat Housing Gasket

from

$6.49
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.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Validated for fit, form, and function
  • Quality that you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Carquest Premium – Radiator Cap: 16 PSI (Part No.10242)

Radiator Cap: 16 PSI

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.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

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

Standard Thermostat: 180 Degrees

from

$17.99
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.

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
See More

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

UltraStat Thermostat: 180 Degrees

from

$24.99
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.

Product Features:
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
  • AccuSpring Design for stable temperature control and increased cabin comfort
See More

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

Standard Thermostat: 170 Degrees

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.

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
See More

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

Engine Coolant Reservoir Cap

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.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Carquest Premium – Reservoir Cap (Part No.T162)

Reservoir Cap

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.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Carquest Premium – Radiator (Part No.813625)

Radiator

from

$306.99
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.

Product Features:
  • Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
  • Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
  • Our fin edges are folded for increased stability and heat disbursement properties.
  • Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
  • Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
  • We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
  • We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
See More

KAI – Motor Inverter Cooler (Part No.INV13355)

Motor Inverter Cooler

from

$107.99
New Platinum Pro Inverter Cooler

Product Features:
  • Made Of Plastic and Aluminum
  • 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
See More

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

Engine Coolant Thermostat Seal

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.

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
See More

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

Engine Coolant Temperature Sensor

from

$99.99
DENSO’s engine coolant temperatures sensors are manufactured to the strictest 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 accuracy
See More

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

Coolant Temperature Sensor

from

$32.99
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.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

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

Coolant Temperature Sensor 1TS1172

from

$65.99
Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

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
See More

AISIN – TEMPERATURE SENSOR (Part No.THSAZ-8003)

TEMPERATURE SENSOR

from

$48.99
TEMPERATURE SENSOR

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

Radiator Cap Tester Adapter

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.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
See More

KAI – Radiator (Part No.RAD13118)

Radiator

from

$137.99
New Platinum Pro Radiator, 3.5 Liter Engine With Automatic Transmission, With A/C, Without Tow Package

Product Features:
  • 3.5 Liter Engine With Automatic Transmission, With A/C, Without Tow Package, Made Of Plastic and Aluminum
  • 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
  • Warranty: 5 Year, Limited
  • Radiator Cap Not Included
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Carquest Premium – Radiator (Part No.813207)

Radiator

from

$303.99
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.

Product Features:
  • Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
  • Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
  • Our fin edges are folded for increased stability and heat disbursement properties.
  • Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
  • Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
  • We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
  • We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
See More

Carquest Premium – Radiator (Part No.813596)

Radiator

from

$285.99
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.

Product Features:
  • Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
  • Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
  • Our fin edges are folded for increased stability and heat disbursement properties.
  • Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
  • Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
  • We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
  • We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
See More

Carquest Premium – Radiator (Part No.813355)

Radiator

from

$188.99
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.

Product Features:
  • Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
  • Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
  • Our fin edges are folded for increased stability and heat disbursement properties.
  • Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
  • Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
  • We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
  • We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
See More

Most Popular Thermostat for 2019 Lexus RX450hs

Enhance your 2019 Lexus RX450h with this popular Thermostat we have in stock, for $72.99.

Dorman – Thermostat Assembly: Includes Housing and Thermostat, 189 Degrees (Part No.902-5212)

Thermostat Assembly: Includes Housing and Thermostat, 189 Degrees

from

$72.99
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.

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
See More

Best-Selling 2019 Lexus RX450h Coolant Temperature Sensors

Upgrade your RX450h with one of our 2 best-selling Coolant Temperature Sensors.

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

Coolant Temperature Sensor 1TS1172

from

$65.99
Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

AISIN – TEMPERATURE SENSOR (Part No.THSAZ-8003)

TEMPERATURE SENSOR

from

$48.99
TEMPERATURE SENSOR

Top-Quality Radiators for 2019 Lexus RX450hs

Choose a high-quality OEM or aftermarket Radiator for Lexus RX450hs and enjoy top-notch performance from $285.99.

Carquest Premium – Radiator (Part No.813596)

Radiator

from

$285.99
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.

Product Features:
  • Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
  • Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
  • Our fin edges are folded for increased stability and heat disbursement properties.
  • Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
  • Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
  • We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
  • We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
See More

Top Picks for 2019 Lexus RX450h Coolant Reservoir Caps

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

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

Engine Coolant Reservoir Cap

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.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Carquest Premium – Reservoir Cap (Part No.T162)

Reservoir Cap

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.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Our Top-Rated Engine Coolant Thermostat Housing Caps for 2019 Lexus RX450hs

Make a smart move for your 2019 Lexus RX450h with our Engine Coolant Thermostat Housing Cap for $16.99.

Carquest Premium – Radiator Cap: 16 PSI (Part No.10242)

Radiator Cap: 16 PSI

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.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Top-Rated Engine Cooling Part Brands For Your 2019 Lexus RX450h

When it comes to finding the perfect Engine Cooling Part for your 2019 Lexus RX450h, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 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 $6.49. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2019 Lexus RX450h, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 2019 Lexus RX450h Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2019 Lexus RX450h, Advance Auto Parts has exactly what you need with our selection of Felpro Engine Cooling Parts. We have 2 Felpro Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $6.49 and an average cost of $6.74, you’ll find the perfect Engine Cooling Part for your needs and budget. Felpro Engine Cooling Parts for the 2019 Lexus RX450h come highly rated, with over 79 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.
Engine Coolant Thermostat Seal
from $6.99
(76)
Engine Coolant Thermostat Seal
“Exact fit”
Engine Coolant Thermostat Housing Gasket
from $6.49
(3)
Engine Coolant Thermostat Housing Gasket
“Fits perfectly fine”

Top-Quality Carquest Premium 2019 Lexus RX450h Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2019 Lexus RX450h, 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 $10.99, with an average price of $15.32, giving you a range of options to suit your budget. Backed by over 142 customer ratings and an average rating of 4.4 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.
Radiator Cap: 16 PSI
from $16.99
(137)
Radiator Cap: 16 PSI
“Replace radiator so got a new cap too. Fits perfect.”
Engine Coolant Reservoir Cap
from $10.99
(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.”
Radiator Cap Tester Adapter
from $17.99
(1)
Radiator Cap Tester Adapter
“Works well.”

FAQs for 2019 Lexus RX450h Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2019 Lexus RX450hs?

Out of 11 Engine Cooling Parts that fit 2019 Lexus RX450hs, the following parts are the top sellers:

What’s the price range for 2019 Lexus RX450h Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2019 Lexus RX450h range from $6.49 up to $306.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2019 Lexus RX450h?

The average price for Engine Cooling Parts for the 2019 Lexus RX450h is $82.04. 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 RX450h model years?

Yes, we carry Engine Cooling Parts for 11 model years of Lexus RX450hs between 2010 and 2022. The following model years are the most popular for Engine Cooling Part purchases: 2022, 2021, 2020, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Engine Cooling Parts for my 2019 Lexus RX450h?

The cheapest 2019 Lexus RX450h 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 RX450h?

Based on 442 reviews by customers, our 2019 Lexus RX450h Engine Cooling Parts have an average customer rating of 4 stars. These are the highest-rated categories of Engine Cooling Parts for the 2019 Lexus RX450h and their top-rated products:

What types of Engine Cooling Parts do you sell for my 2019 Lexus RX450h?

As of 3/1/26, these are some of the most in-demand types of Engine Cooling Parts for a 2019 Lexus RX450h:

Can I get help with 2019 Lexus RX450h 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 RX450h Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Lexus RX450h Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.