2004 Lexus IS300 Engine Cooling Parts

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2004 Lexus IS300 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 2004 Lexus IS300 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Thermostat and Water Outlet Gaskets, Thermostats, and Water Pump Gaskets. 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, Felpro, and Dorman. For example, Carquest Premium Engine Cooling Parts start at just $16.99 with an average 4.5 star rating. Felpro and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 488 reviews and a solid 4.2 star average, you can shop with confidence knowing other Lexus IS300 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2004 Lexus IS300 Engine Cooling Part at Advance Auto Parts is around $53.28, with a range that starts at $3.29 and goes up to $326.99. With 28 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Carquest Coolant Temperature Sensor, WTC1005, Carquest Multi-Purpose Relay, RAA1733, and Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5298-180 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 Blower Motor and Related Products and HVAC Electrical Parts. At Advance Auto Parts, we’re here to help you keep your 2004 Lexus IS300 in peak condition, inside and out.

Essential 2004 Lexus IS300 Engine Cooling Parts

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.
See More

Motorad – Motorad Integrated Thermostat Housing: With Seal, 180 Degrees, 660-180 (Part No.660-180)

Motorad Integrated Thermostat Housing: With Seal, 180 Degrees, 660-180

from

$89.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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

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.
See More

Dorman – Dorman Radiator Fan Assembly: Dual, Cost Effective and Reliable, 620-558 (Part No.620-558)

Dorman Radiator Fan Assembly: Dual, Cost Effective and Reliable, 620-558

from

$326.99
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.
See More

Carquest Premium – Carquest Radiator, 813477 (Part No.813477)

Carquest Radiator, 813477

from

$181.99
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

Carquest Premium – Carquest Engine Cooling Fan Switch, TFA1008 (Part No.TFA1008)

Carquest Engine Cooling Fan Switch, TFA1008

from

$103.99
The main device in any electrical circuit is a switch. In an electrical circuit a device is required to turn a component on or off when commanded by the operator, within the switch are contacts that will complete the electrical path to the load, or driven device. The operation of a switch may be manual from a person or could be electrical from some sort of controller or computer.
See More

Victor Reinz – Victor Reinz Engine Coolant Thermostat Housing Gasket, 71-10216-00 (Part No.71-10216-00)

Victor Reinz Engine Coolant Thermostat Housing Gasket, 71-10216-00

from

$11.49
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.
See More

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

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

Carquest Cooling System Tester Adapter, 12025

from

$98.99
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 cooling systems.
See More

Dorman – Help – Dorman – Help Radiator Drain Cocks, 61125 (Part No.61125)

Dorman - Help Radiator Drain Cocks, 61125

from

$7.99
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.
See More

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

Carquest Radiator Cap Tester Adapter, 12024

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.
See More

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.
See More

Carquest Premium – Carquest Engine Cooling Fan Switch, TFA1023 (Part No.TFA1023)

Carquest Engine Cooling Fan Switch, TFA1023

from

$102.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Engine Cooling Fan Switch regulates the operation of the cooling fan based on engine temperature, preventing overheating and ensuring optimal engine performance by maintaining a safe operating temperature. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.
See More

Dorman – Dorman Coolant Housing/Water Outlet: with Housing and Gasket, 75 Degree Neck Angle, 902-5070 (Part No.902-5070)

Dorman Coolant Housing/Water Outlet: with Housing and Gasket, 75 Degree Neck Angle, 902-5070

from

$24.99
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.
See More

Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 14108 (Part No.14108)

Carquest Standard Thermostat: 180 Degrees, 14108

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.
See More

Carquest Premium – Carquest Standard Thermostat: 140 Degrees, 298-140 (Part No.298-140)

Carquest Standard Thermostat: 140 Degrees, 298-140

from

$25.99
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

Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-16029-00 (Part No.71-16029-00)

Victor Reinz Engine Water Pump Gasket, 71-16029-00

from

$8.99
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.
See More

Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-42863-00 (Part No.71-42863-00)

Victor Reinz Engine Water Pump Gasket, 71-42863-00

from

$37.99
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.
See More

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

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

from

$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.
See More

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

Felpro Engine Coolant Thermostat Housing Gasket, 35809

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.
See More

Felpro – Felpro Multi-Purpose O-Ring, 35768 (Part No.35768)

Felpro Multi-Purpose O-Ring, 35768

from

$3.29
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.
See More

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

Felpro Engine Coolant Thermostat Seal, 35445

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.
See More

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

Carquest Radiator Cap: 16 PSI, 10242

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.
See More

Carquest Premium – Carquest 4 Pole Radiator or Condenser Fan Motor, 35112 (Part No.35112)

Carquest 4 Pole Radiator or Condenser Fan Motor, 35112

from

$97.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Carquest.
See More

Most Popular Thermostat and Water Outlet Gasket for 2004 Lexus IS300s

Enhance your 2004 Lexus IS300 with this popular Thermostat and Water Outlet Gasket we have in stock, for $6.99.

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

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

from

$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.
See More

Best-Selling 2004 Lexus IS300 Thermostats

Upgrade your IS300 with one of our 3 best-selling Thermostats, earning an average 3 stars rating across 5 reviews.

Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 14108 (Part No.14108)

Carquest Standard Thermostat: 180 Degrees, 14108

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.
See More

Motorad UltraStats – Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5298-180 (Part No.5298-180)

Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5298-180

from

$28.99
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.
See More

Carquest Premium – Carquest Standard Thermostat: 140 Degrees, 298-140 (Part No.298-140)

Carquest Standard Thermostat: 140 Degrees, 298-140

from

$25.99
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

Top-Quality Water Pump Gaskets for 2004 Lexus IS300s

Choose a high-quality OEM or aftermarket Water Pump Gasket for Lexus IS300s and enjoy top-notch performance from $8.99.

Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-16029-00 (Part No.71-16029-00)

Victor Reinz Engine Water Pump Gasket, 71-16029-00

from

$8.99
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.
See More

Our Top Pick for a 2004 Lexus IS300 Radiator Cap

Invest in a durable Radiator Cap for your 2004 Lexus, knowing you’re getting trusted brands and expert craftsmanship.

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.
See More

Our Top-Rated Radiators for 2004 Lexus IS300s

Make a smart move for your 2004 Lexus IS300 with our Radiator for $309.99.

Carquest Premium – Carquest Radiator, 432635 (Part No.432635)

Carquest Radiator, 432635

from

$309.99
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-Rated Engine Cooling Part Brands For Your 2004 Lexus IS300

When it comes to finding the perfect Engine Cooling Part for your 2004 Lexus IS300, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Engine Cooling Part brands including Felpro, Carquest Premium, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $6.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2004 Lexus IS300, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 2004 Lexus IS300 Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2004 Lexus IS300, Advance Auto Parts has exactly what you need with our selection of Felpro Engine Cooling Parts. We have 1 Felpro Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $6.99, you’ll find the perfect Engine Cooling Part for your needs and budget. Felpro Engine Cooling Parts for the 2004 Lexus IS300 come highly rated, with over 76 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.

Top-Quality Carquest Premium 2004 Lexus IS300 Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2004 Lexus IS300, 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 $141.66, giving you a range of options to suit your budget. Backed by over 149 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.
Carquest 4 Pole Radiator or Condenser Fan Motor, 35112
from $97.99
(5)
Carquest 4 Pole Radiator or Condenser Fan Motor, 35112
“Easy to install. Works like it’s supposed to. Great price.”
Carquest Radiator Cap: 16 PSI, 10242
from $16.99
(137)
Carquest Radiator Cap: 16 PSI, 10242
“This product fixed the problem.”
Carquest Radiator, 432635
from $309.99
(7)
Carquest Radiator, 432635
“Excellent”

FAQs for 2004 Lexus IS300 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2004 Lexus IS300s?

Out of 28 Engine Cooling Parts that fit 2004 Lexus IS300s, the following parts are the top sellers:

What’s the price range for 2004 Lexus IS300 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2004 Lexus IS300 range from $3.29 up to $326.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2004 Lexus IS300?

The average price for Engine Cooling Parts for the 2004 Lexus IS300 is $53.28. 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 IS300 model years?

Yes, we carry Engine Cooling Parts for 13 model years of Lexus IS300s between 2001 and 2025. The following model years are the most popular for Engine Cooling Part purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2005, and 2003.

What are the cheapest Engine Cooling Parts for my 2004 Lexus IS300?

Does Advance Auto Parts sell Engine Cooling Parts for any other 2004 Lexus models?

Yes. We stock Engine Cooling Parts for 7 other popular 2004 Lexus models. Some of the most popular are 2004 GS300 Engine Cooling Parts, 2004 ES330 Engine Cooling Parts, 2004 RX330 Engine Cooling Parts, 2004 LS430 Engine Cooling Parts, and 2004 LX470 Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 2004 Lexus IS300?

The one 2004 Lexus IS300 Engine Cooling Part we have in stock is the Felpro Multi-Purpose O-Ring, 35768. It costs $3.29.

What types of Engine Cooling Parts do you sell for my 2004 Lexus IS300?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 2004 Lexus IS300:

Can I get help with 2004 Lexus IS300 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 IS300 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Lexus IS300 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.