Lexus RX350 Engine Cooling Parts

Your One-Stop Shop For Trusted Lexus RX350 Engine Cooling Parts

If you’re in search of Lexus RX350 Engine Cooling Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 52 Engine Cooling Parts from top brands with prices ranging from $3.29 to $568.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Cooling Parts for your Lexus RX350.

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 RX350 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 RX350 Engine Cooling Parts

Felpro – Engine Water Pump Installation Kit (Part No.ES 73200)

Engine Water Pump Installation Kit

from

$5.49
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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KAI – Coolant Reservoir (Part No.LX3014110)

Coolant Reservoir

from

$37.99
New Platinum Pro Coolant Recovery Tank

Product Features:
  • Made Of Plastic
  • 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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Dorman – Radiator Mount Bushing (Part No.926-278)

Radiator Mount Bushing

from

$10.49
This radiator mount bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this radiator mount bushing matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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KAI – Radiator Support (Part No.LX1225116)

Radiator Support

from

$568.99
New Standard Replacement Radiator Support

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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KAI – Radiator (Part No.RAD13116)

Radiator

from

$142.99
New Platinum Pro Radiator, 3.5 Liter Engine With Automatic Transmission, Without Tow Package, With A/C, USA/Japan Built Models

Product Features:
  • 3.5 Liter Engine With Automatic Transmission, Without Tow Package, With A/C, USA/Japan Built Models, 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
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12021)

Radiator Cap Tester Adapter

from

$18.99
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
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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

$39.49
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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Felpro – Engine Water Pump Gasket Kit (Part No.ES 73114)

Engine Water Pump Gasket Kit

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.

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 – Radiator Fan Assembly: Dual, Cost Effective & Reliable (Part No.621-530)

Radiator Fan Assembly: Dual, Cost Effective & Reliable

from

$306.99
This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles
  • Complete package – assembly is designed with the same materials and components as the original part
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
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Felpro – Engine Coolant Outlet Gasket (Part No.35801)

Engine Coolant Outlet Gasket

from

$4.99
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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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T3130)

Engine Water Pump: New, Gasket/Seals Included

from

$136.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.

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
  • Additional Notes: Includes gasket
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Carquest Premium – Outlet Flange: With Gasket (Part No.CH2093)

Outlet Flange: With Gasket

from

$74.99
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.

Product Features:
  • No special tools required
  • Easy, one step fit and installation
  • Meets or exceeds all OEM standards
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Carquest Premium – Integrated Thermostat Housing: With Sensor, With Seal, 193 Degrees (Part No.1049-193)

Integrated Thermostat Housing: With Sensor, With Seal, 193 Degrees

from

$309.99
Carquest Premium Integrated Housing Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat 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 as well as the design and function of the housing. 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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Dorman – Engine Coolant Filler Neck (Part No.902-408)

Engine Coolant Filler Neck

from

$41.99
This engine coolant filler neck is designed to match the fit and function of the original neck on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine coolant filler neck is designed to match the fit and function of the original neck on specified applications
  • Restores functionality – reliable replacement for an original part that has cracked or failed due to heat, vibration or fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

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

Radiator Support Tie Bar

from

$93.99
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
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

Victor Reinz – Engine Coolant Thermostat Housing O-Ring (Part No.71-13294-00)

Engine Coolant Thermostat Housing O-Ring

from

$4.99
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.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications
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Dorman – Thermostat Assembly: Includes Housing and Thermostat, 189 Degrees (Part No.902-5216)

Thermostat Assembly: Includes Housing and Thermostat, 189 Degrees

from

$147.99
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

Dorman – Cowl Clip Head Dia. 0.7 In. Shank Length 0.55 In. Hole Dia. 0.38 In. (Part No.963-181)

Cowl Clip Head Dia. 0.7 In. Shank Length 0.55 In. Hole Dia. 0.38 In.

from

$4.29
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring Length service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for Length-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Carquest Premium – Engine Coolant Temperature Sensor (Part No.WTA2332)

Engine Coolant Temperature Sensor

from

$96.99
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 extremely accurate temperature readings for optimal performance
  • O-rings, seals or thread sealant are included if required
  • Wires, clips and probe length match OE (where applicable)
  • 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
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Carquest Premium – Radiator Cap: 13 PSI (Part No.10241)

Radiator Cap: 13 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

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

Engine Coolant Thermostat Housing Gasket

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.

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.
  • Meets or exceeds original equipment specifications.
See More

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
  • 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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Engine Cooling Parts Brands You Can Trust For Your Lexus RX350

11 trusted brands of Engine Cooling Parts line our shelves, ready to help keep your Lexus RX350 running smooth. Below are some of the most popular brands and their top Engine Cooling Parts offerings:

Popular Dorman Engine Cooling Parts

Dorman products for the Lexus RX350 span several categories. Some of the highest-rated Dorman Engine Cooling Parts that will fit your Lexus RX350 are:
Engine Coolant Filler Neck
from $41.99
(7)
Engine Coolant Filler Neck
Engine Coolant Filler Necks

Top Lexus RX350 Engine Cooling Parts from Carquest Premium

Your Lexus RX350 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:
Radiator Cap: 16 PSI
from $16.99
(137)
Radiator Cap: 16 PSI
Coolant Reservoir Caps
Standard Thermostat: 180 Degrees
from $18.99
(75)
Standard Thermostat: 180 Degrees
Thermostats
Radiator Cap: 13 PSI
from $16.99
(53)
Radiator Cap: 13 PSI
Radiator Caps

Most Purchased Lexus RX350 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 RX350. Here are the Carquest Premium Engine Cooling Parts Advanced Auto customers buy the most:
Engine Water Pump: New, Gasket/Seals Included
from $136.99
(23)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Radiator Cap: 16 PSI
from $16.99
(137)
Radiator Cap: 16 PSI
Coolant Reservoir Caps
Standard Thermostat: 180 Degrees
from $18.99
(75)
Standard Thermostat: 180 Degrees
Thermostats

FAQs for Lexus RX350 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the Lexus RX350?

Out of 52 Engine Cooling Parts for the Lexus RX350, the most popular in our inventory are:
Engine Coolant Thermostat Seal
from $6.99
(76)
Engine Coolant Thermostat Seal
Thermostat and Water Outlet Gaskets
Standard Thermostat: 170 Degrees
from $18.99
(33)
Standard Thermostat: 170 Degrees
Thermostats
Engine Water Pump: New, Gasket/Seals Included
from $136.99
(23)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps

What are the top-rated Lexus RX350 Engine Cooling Parts?

Top-rated Engine Cooling Parts for your Lexus RX350 based on customer reviews/ratings are:
Coolant Temp Sensor Switch
from $34.05
(6)
Coolant Temp Sensor Switch
“Installed this product and engine light went off”
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.”
Engine Coolant Thermostat Housing Gasket
from $6.49
(3)
Engine Coolant Thermostat Housing Gasket
“Fits perfectly fine”