2000 Lexus GS400 Engine Cooling Parts

Name: Carquest Radiator Cap: 16 PSI, ST37
Brand: Carquest Premium
SKU: ST37
Price: 21.99 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2000 Lexus GS400 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 2000 Lexus GS400 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, Radiators, and Thermostats. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Felpro, Carquest Premium, and Dorman. For example, Felpro Engine Cooling Parts start at just $6.99 with an average 4.6 star rating. Carquest Premium and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 329 reviews and a solid 4.3 star average, you can shop with confidence knowing other Lexus GS400 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2000 Lexus GS400 Engine Cooling Part at Advance Auto Parts is around $53.33, with a range that starts at $0.75 and goes up to $433.99. With 36 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like Carquest Coolant Temperature Sensor, WTC1005, Motorad UltraStats Thermostat: 170 Degrees, 5302-170, and Felpro Multi-Purpose O-Ring, 35555 start at just $10.49 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 2000 Lexus GS400 in peak condition, inside and out.

Looking for the perfect Engine Cooling Part for your 2000 Lexus GS400? You’re in the right place. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Cooling Parts, ensuring durability and a precise fit for your Lexus GS400. Whether you’re driving a 2000 model or another popular model year like 1998 and 1999, we’ve got you covered. Purchasing Engine Cooling Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle.

Essential 2000 Lexus GS400 Engine Cooling Parts

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$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.

Victor Reinz Engine Coolant Outlet O-Ring, 41-10402-00

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$10.49

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.

Dorman Radiator Fan Assembly: Dual, Cost Effective and Reliable, 620-557

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$433.99

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.

Dorman - Help Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack, 54231

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$49.99

Cracked or lost the original engine coolant reservoir cap- Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

Factory Air Coolant Temp Sensor Switch, 36424

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$34.05

High quality OE replacement part with all components needed to complete the job

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$16.99

Carquest Radiator: With Transmission Oil Cooler, 431465

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$208.99

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.

Motorad UltraStats Thermostat: 180 Degrees, 5302-180

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$29.99

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

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$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.

Felpro Engine Coolant Outlet Gasket, 35941

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$11.49

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.

Factory Air Engine Mounted Cooling Fan Temperature Switch, 36549

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$44.99

High quality OE replacement part with all components needed to complete the job

Victor Reinz Engine Water Pump Gasket, 71-11981-00

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$26.99

Stant Thermostat Gasket (Sold by each), 30991

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$1.29

Stant Thermostat Gasket (Sold by each), 30991.

Dorman Plastic Drain Cock Screw-In Type Screw-M14-2.0, 490-216.1

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$4.99

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.

Carquest Radiator Cap Tester Adapter, 12024

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$17.99

Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Carquest Cooling System Tester Adapter, 12025

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$98.99

Carquest Standard Thermostat: 180 Degrees, 14128

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$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.

Carquest Fuel Cap Tester Adapter:, 12427

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$34.99

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

Carquest Engine Water Pump: New, Gasket/Seals Included, T5102

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$146.99

Carquest Premium drive motor inverter cooler water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, impeller, controller, gaskets, and seals are designed for long-lasting service life. These electric water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium auxiliary water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Carquest Coolant Housing/Water Outlet, 85059

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$46.99

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.

Felpro Engine Coolant Thermostat Housing Gasket, 35552

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$4.79

Dorman Non-Pressurized Coolant Reservoir, 603-429

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$217.99

This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Carquest 4 Pole Radiator or Condenser Fan Motor, 35112

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$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.

Carquest Coolant Housing/Water Outlet, CH6060

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$21.99

Carquest Premium Thermostat Housings are manufactured with OEM quality materials and safety standards by an OE Supplier. This housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. The construction of this housing is improved over the OE design to fix and update any issues that the OE design may have had.

Carquest Engine Coolant Temperature Sender, WTA1804

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$51.99

The engine coolant temperature sender, not to be confused with the engine coolant temperature sensor, is located anywhere within the engine cooling system and contains a thermistor that changes in resistance value as the thermistors ambient temperature changes. The engine coolant temperature sender is fed 12 volts and is typically used in conjunction with a gauge in the instrument cluster to provide a visual representation of the engine coolant temperature condition.

Popular 2000 Lexus GS400 Engine Cooling Parts Categories

Radiators

Water Pumps

Engine Coolant Thermostat Housing Caps

Coolant Temperature Sensors

Coolant Reservoir Caps

Water Outlets

Engine Coolant Pipe O-Rings

Thermostat Housing Gaskets

Thermostat Housings

Thermostat Seals

Thermostat and Water Outlet Gaskets

Temperature Switch and Senders

Water Pump Gaskets

Radiator Drain Plugs

Engine Cooling Fan Switches

Radiator Cap Tester Adapters

Heater Relays

Radiator Cap Adapters

Thermostat – Optional Replacements

Cooling System Tester Adapters

Most Popular Thermostat and Water Outlet Gaskets for 2000 Lexus GS400s

Enhance your 2000 Lexus GS400 with one of the 2 Thermostat and Water Outlet Gaskets we have in stock, starting at just $6.99.

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$11.49

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

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$6.99

Best-Selling 2000 Lexus GS400 Radiator

Upgrade your GS400 with our best-selling Radiator with a 4 Starts rating across 5 reviews.

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from

$208.99

Top-Quality Thermostats for 2000 Lexus GS400s

Choose a high-quality OEM or aftermarket Thermostat for Lexus GS400s and enjoy top-notch performance from $20.79.

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$29.99

Carquest Standard Thermostat: 170 Degrees, 14337

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$20.79

Motorad UltraStats Thermostat: 170 Degrees, 5302-170

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$27.99

Carquest Standard Thermostat: 150 Degrees, 302-150

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$20.99

Our Top Pick for a 2000 Lexus GS400 Radiator Cap

Invest in a durable Radiator Cap for your 2000 Lexus, knowing you’re getting trusted brands and expert craftsmanship.

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$21.99

Our Top-Rated Water Pumps for 2000 Lexus GS400s

Make a smart move for your 2000 Lexus GS400 with our Water Pump for $146.99.

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$146.99

Top-Rated Engine Cooling Part Brands For Your 2000 Lexus GS400

When it comes to finding the perfect Engine Cooling Part for your 2000 Lexus GS400, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 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 2000 Lexus GS400, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 2000 Lexus GS400 Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2000 Lexus GS400, Advance Auto Parts has exactly what you need with our selection of Felpro Engine Cooling Parts. We have 3 Felpro Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $6.99 and an average cost of $15.49, you’ll find the perfect Engine Cooling Part for your needs and budget. Felpro Engine Cooling Parts for the 2000 Lexus GS400 come highly rated, with over 78 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $27.99

(1)

Felpro Engine Water Pump Gasket, 35718

“perfect”

from $11.49

(1)

Felpro Engine Coolant Outlet Gasket, 35941

“No Leaks”

Felpro Engine Coolant Thermostat Seal, 35445

from $6.99

(76)

Felpro Engine Coolant Thermostat Seal, 35445

“Good”

Top-Quality Carquest Premium 2000 Lexus GS400 Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2000 Lexus GS400, 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 $17.99, with an average price of $87.66, giving you a range of options to suit your budget. Backed by over 38 customer ratings and an average rating of 4.5 stars, Carquest Premium Engine Cooling Parts provide both reliability and excellent performance. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $97.99

(5)

Carquest 4 Pole Radiator or Condenser Fan Motor, 35112

“Easy to install. Works like it’s supposed to. Great price.”

from $146.99

(4)

Carquest Engine Water Pump: New, Gasket/Seals Included, T5102

“Bolted up easy, changed the timing belt too while I had it that far apart.”

from $17.99

(29)

Carquest Standard Thermostat: 180 Degrees, 14128

“Worked well”

FAQs for 2000 Lexus GS400 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2000 Lexus GS400s?

Out of 36 Engine Cooling Parts that fit 2000 Lexus GS400s, the following parts are the top sellers:

Carquest Coolant Temperature Sensor, WTC1005 (12422776) – $39.99
Motorad UltraStats Thermostat: 170 Degrees, 5302-170 (11920543) – $27.99
Felpro Multi-Purpose O-Ring, 35555 (5991765) – $10.49

What’s the price range for 2000 Lexus GS400 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2000 Lexus GS400 range from $0.75 up to $433.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2000 Lexus GS400?

The average price for Engine Cooling Parts for the 2000 Lexus GS400 is $53.33. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Engine Cooling Parts for my 2000 Lexus GS400?

The cheapest 2000 Lexus GS400 Engine Cooling Parts we carry are:

Stant Thermostat Gasket (Sold by each), 30991 (11150699) – $1.29
Felpro Engine Coolant Thermostat Housing Gasket, 35552 (19780026) – $4.79
Dorman Plastic Drain Cock Screw-In Type Screw-M14-2.0, 490-216.1 (22972337) – $4.99
Felpro Engine Coolant Thermostat Seal, 35445 (5181607) – $6.99
Victor Reinz Engine Coolant Thermostat Gasket, 71-12150-00 (50313168) – $6.99

Does Advance Auto Parts sell Engine Cooling Parts for any other 2000 Lexus models?

Yes. We stock Engine Cooling Parts for 6 other popular 2000 Lexus models. Some of the most popular are 2000 ES300 Engine Cooling Parts, 2000 GS300 Engine Cooling Parts, 2000 SC300 Engine Cooling Parts, 2000 LS400 Engine Cooling Parts, and 2000 RX300 Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 2000 Lexus GS400?

The one 2000 Lexus GS400 Engine Cooling Part we have in stock is the Stant Thermostat Gasket (Sold by each), 30991. It costs $1.29.

What types of Engine Cooling Parts do you sell for my 2000 Lexus GS400?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 2000 Lexus GS400:

Can I get help with 2000 Lexus GS400 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 GS400 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Lexus GS400 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2000 Lexus GS400 Engine Cooling Parts

Carquest Premium – Carquest Radiator Cap: 16 PSI, ST37 (Part No.ST37)

Victor Reinz – Victor Reinz Engine Coolant Outlet O-Ring, 41-10402-00 (Part No.41-10402-00)

Dorman – Dorman Radiator Fan Assembly: Dual, Cost Effective and Reliable, 620-557 (Part No.620-557)

Dorman – Help – Dorman – Help Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack, 54231 (Part No.54231)

Factory Air – Factory Air Coolant Temp Sensor Switch, 36424 (Part No.36424)

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

Carquest Premium – Carquest Radiator: With Transmission Oil Cooler, 431465 (Part No.431465)

Motorad UltraStats – Motorad UltraStats Thermostat: 180 Degrees, 5302-180 (Part No.5302-180)

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

Felpro – Felpro Engine Coolant Outlet Gasket, 35941 (Part No.35941)

Factory Air – Factory Air Engine Mounted Cooling Fan Temperature Switch, 36549 (Part No.36549)

Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-11981-00 (Part No.71-11981-00)

Stant – Stant Thermostat Gasket (Sold by each), 30991 (Part No.30991)

Dorman – Dorman Plastic Drain Cock Screw-In Type Screw-M14-2.0, 490-216.1 (Part No.490-216.1)

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

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

Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 14128 (Part No.14128)

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

Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T5102 (Part No.T5102)

Carquest Premium – Carquest Coolant Housing/Water Outlet, 85059 (Part No.85059)

Felpro – Felpro Engine Coolant Thermostat Housing Gasket, 35552 (Part No.35552)

Dorman – Dorman Non-Pressurized Coolant Reservoir, 603-429 (Part No.603-429)

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

Carquest Premium – Carquest Coolant Housing/Water Outlet, CH6060 (Part No.CH6060)

Carquest Premium – Carquest Engine Coolant Temperature Sender, WTA1804 (Part No.WTA1804)

Felpro – Felpro Engine Coolant Outlet Gasket, 35941 (Part No.35941)

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

Carquest Premium – Carquest Radiator: With Transmission Oil Cooler, 431465 (Part No.431465)

Motorad UltraStats – Motorad UltraStats Thermostat: 180 Degrees, 5302-180 (Part No.5302-180)

Carquest Premium – Carquest Standard Thermostat: 170 Degrees, 14337 (Part No.14337)

Motorad UltraStats – Motorad UltraStats Thermostat: 170 Degrees, 5302-170 (Part No.5302-170)

Carquest Premium – Carquest Standard Thermostat: 150 Degrees, 302-150 (Part No.302-150)

Carquest Premium – Carquest Radiator Cap: 16 PSI, ST37 (Part No.ST37)

Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T5102 (Part No.T5102)