Lexus LS400 Thermostats
Your Lexus LS400 will be happy to know that the search for the right Thermostats you’ve been looking for is over! Advance Auto Parts has 14 different Thermostats for your vehicle, ready for shipping or in-store pick up. The best part is, our Lexus LS400 Thermostats start from as little as $8.79.
When it comes to your Lexus LS400, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Thermostats brands so you can shop with complete confidence. Some of our top Thermostats brands are Carquest Premium and Motorad UltraStats. We’re sure you will get the right product to keep that LS400 running for a long time.
We even have reviews of our OEM and aftermarket Thermostats products to help you buy with confidence. Hear from other customers via the 1,240 reviews on parts for your Lexus LS400.
Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Thermostats for your LS400, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!
Compare 25 Lexus Thermostats
Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13868)
from
$10.49
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:
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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
Motorad UltraStats – Thermostat: 180 Degrees (Part No.5302-180)
from
$27.49
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:
See More
Product Features:
- Heavy gauge stainless steel components offer increased reliability and long-lasting durability
- Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
- 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
Carquest Premium – Thermostat Housing: Gasket Included (Part No.85953)
from
$45.99
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:
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Product Features:
- Meets and/or exceeds OEM standard
- Includes quality gasket or O-ring to ensure proper seal (where applicable)
- 100% virgin resin material to insure durability
- 100% leak tested
- Direct-fit replacement for ease of installation
- Includes quality thermostat
Carquest Premium – Thermostat (Part No.48418)
from
$14.99
Original equipment design provides exact fit and performance.
Product Features:
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Product Features:
- Precise fitting sealing edges prevent leakage and premature cooling.
- Self-cleaning and self-aligning thermostat valve.
- Stainless steel assembly and springs are engineered for long life and smooth performance.
Carquest Premium – Thermostat (Part No.48118)
from
$12.49
Original equipment design provides exact fit and performance.
Product Features:
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Product Features:
- Precise fitting sealing edges prevent leakage and premature cooling.
- Self-cleaning and self-aligning thermostat valve.
- Stainless steel assembly and springs are engineered for long life and smooth performance.
Carquest Premium – Standard Thermostat: 180 Degrees (Part No.14128)
from
$19.99
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:
See More
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
Carquest Premium – Standard Thermostat: 170 Degrees (Part No.14077)
from
$17.29
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:
See More
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
Carquest Premium – Standard Thermostat: 180 Degrees (Part No.14078)
from
$17.79
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:
See More
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
Carquest Premium – Standard Thermostat: 170 Degrees (Part No.14337)
from
$20.79
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:
See More
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
Carquest Premium – Thermostat (Part No.48227)
from
$9.29
Original equipment design provides exact fit and performance.
Product Features:
See More
Product Features:
- Precise fitting sealing edges prevent leakage and premature cooling.
- Self-cleaning and self-aligning thermostat valve.
- Stainless steel assembly and springs are engineered for long life and smooth performance.
Carquest Premium – Thermostat (Part No.48128)
from
$8.79
Original equipment design provides exact fit and performance.
Product Features:
See More
Product Features:
- Precise fitting sealing edges prevent leakage and premature cooling.
- Self-cleaning and self-aligning thermostat valve.
- Stainless steel assembly and springs are engineered for long life and smooth performance.
Carquest Premium – Standard Thermostat: 180 Degrees (Part No.14108)
from
$17.29
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:
See More
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
Motorad UltraStats – Thermostat: 170 Degrees (Part No.5302-170)
from
$23.99
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:
See More
Product Features:
- Heavy gauge stainless steel components offer increased reliability and long-lasting durability
- Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
- 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
Kuzeh - Thermostat (Part No.G4000403177KUZ)
from
$23.71
Kuzeh offers a full line of thermostats to replace your original equipment thermostat. This includes a wide variety of temperature ranges all designed to operate within OEM specifications.
Product Features:
See More
Product Features:
- Strict quality control, and functional testing
- Self-cleaning and self-aligning thermostat valve
- Original equipment design provides exact fit and performance
- Precise sealing edges reduce leakage and premature cooling
- Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
- Stainless steel assembly and springs are engineered for long life
Motorad UltraStats - Thermostat: 180 Degrees (Part No.5281-180)
from
$21.79
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:
See More
Product Features:
- Heavy gauge stainless steel components offer increased reliability and long-lasting durability
- Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
- 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
Motorad UltraStats - Thermostat: 180 Degrees (Part No.5298-180)
from
$27.49
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:
See More
Product Features:
- Heavy gauge stainless steel components offer increased reliability and long-lasting durability
- Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
- 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
Carquest Premium - Standard Thermostat: 180 Degrees (Part No.1065-180)
from
$111.99
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:
See More
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
Carquest Premium - Standard Thermostat: 172 Degrees (Part No.1064-172)
from
$62.99
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:
See More
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
NTC - Thermostat Assembly (Part No.G4002170984NTC)
from
$53.34
NTC offers a full line of thermostats to replace your original equipment thermostat. This includes a wide variety of temperature ranges all designed to operate within OEM specifications.
Product Features:
See More
Product Features:
- Strict quality control, and functional testing
- Self-cleaning and self-aligning thermostat valve
- Original equipment design provides exact fit and performance
- Precise sealing edges reduce leakage and premature cooling
- Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
- Stainless steel assembly and springs are engineered for long life
Kuzeh - Kuzeh Thermostat (Part No.G4000278503KUZ)
from
$32.91
Kuzeh offers a full line of thermostats to replace your original equipment thermostat. This includes a wide variety of temperature ranges all designed to operate within OEM specifications.
Product Features:
See More
Product Features:
- Strict quality control, and functional testing
- Self-cleaning and self-aligning thermostat valve
- Original equipment design provides exact fit and performance
- Precise sealing edges reduce leakage and premature cooling
- Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
- Stainless steel assembly and springs are engineered for long life
NTC - NTC Thermostat (Part No.G4000479844NTC)
from
$26.80
NTC offers a full line of thermostats to replace your original equipment thermostat. This includes a wide variety of temperature ranges all designed to operate within OEM specifications.
Product Features:
See More
Product Features:
- Strict quality control, and functional testing
- Self-cleaning and self-aligning thermostat valve
- Original equipment design provides exact fit and performance
- Precise sealing edges reduce leakage and premature cooling
- Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
- Stainless steel assembly and springs are engineered for long life
Kuzeh - Kuzeh Thermostat (Part No.G4000573381KUZ)
from
$23.71
Kuzeh offers a full line of thermostats to replace your original equipment thermostat. This includes a wide variety of temperature ranges all designed to operate within OEM specifications.
Product Features:
See More
Product Features:
- Strict quality control, and functional testing
- Self-cleaning and self-aligning thermostat valve
- Original equipment design provides exact fit and performance
- Precise sealing edges reduce leakage and premature cooling
- Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
- Stainless steel assembly and springs are engineered for long life
Kuzeh - Thermostat (Part No.G400037500KUZ)
from
$23.30
Kuzeh offers a full line of thermostats to replace your original equipment thermostat. This includes a wide variety of temperature ranges all designed to operate within OEM specifications.
Product Features:
See More
Product Features:
- Strict quality control, and functional testing
- Self-cleaning and self-aligning thermostat valve
- Original equipment design provides exact fit and performance
- Precise sealing edges reduce leakage and premature cooling
- Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
- Stainless steel assembly and springs are engineered for long life
Kuzeh - Kuzeh Thermostat (Part No.G400038385KUZ)
from
$23.25
Kuzeh offers a full line of thermostats to replace your original equipment thermostat. This includes a wide variety of temperature ranges all designed to operate within OEM specifications.
Product Features:
See More
Product Features:
- Strict quality control, and functional testing
- Self-cleaning and self-aligning thermostat valve
- Original equipment design provides exact fit and performance
- Precise sealing edges reduce leakage and premature cooling
- Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
- Stainless steel assembly and springs are engineered for long life
Carquest Premium - Thermostat (Part No.48487)
from
$15.49
Original equipment design provides exact fit and performance.
Product Features:
See More
Product Features:
- Precise fitting sealing edges prevent leakage and premature cooling.
- Self-cleaning and self-aligning thermostat valve.
- Stainless steel assembly and springs are engineered for long life and smooth performance.
FAQs for Lexus LS400 Thermostats
What are the most popular Thermostats for the Lexus LS400?
With 3 brands you can trust, our most popular Thermostats for the Lexus LS400 are:
What are the best aftermarket Thermostats for the Lexus LS400?
See what past customers had to say about our highest-rated Thermostats for the Lexus LS400:
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