Lexus LS400 Thermostat and Water Outlet Assemblies

Your Lexus LS400 will be happy to know that the search for the right Thermostat and Water Outlet Assemblies you’ve been looking for is over! Advance Auto Parts has 1 different Thermostat and Water Outlet Assemblies for your vehicle, ready for shipping or in-store pick up. The best part is, our Lexus LS400 Thermostat and Water Outlet Assemblies start from as little as $31.49.

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 Thermostat and Water Outlet Assemblies brands so you can shop with complete confidence. Some of our top Thermostat and Water Outlet Assemblies brands are Motorad. We’re sure you will get the right product to keep that LS400 running for a long time.

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 Thermostat and Water Outlet Assemblies for your LS400, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 11 Lexus Thermostat and Water Outlet Assemblies

Motorad – Integrated Thermostat Housing: With Seal, 180 Degrees (Part No.637-180)

Integrated Thermostat Housing: With Seal, 180 Degrees

from

$60.99
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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Motorad – Integrated Thermostat Housing: With Seal, 180 Degrees (Part No.660-180)

Integrated Thermostat Housing: With Seal, 180 Degrees

from

$89.99
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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Motorad – Integrated Thermostat Housing: With Sensor, With Seal, 188 Degrees (Part No.1049-188)

Integrated Thermostat Housing: With Sensor, With Seal, 188 Degrees

from

$229.99
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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NTC – NTC Thermostat Assembly (Part No.G4002413618NTC)

NTC Thermostat Assembly

from

$52.11
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:
  • 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
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Motorad – Integrated Thermostat Housing: With Seal, 180 Degrees (Part No.756-180)

Integrated Thermostat Housing: With Seal, 180 Degrees

from

$61.99
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
See More

Dorman – Thermostat Assembly: Includes Housing and Thermostat, 189 Degrees (Part No.902-5216)

Thermostat Assembly: Includes Housing and Thermostat, 189 Degrees

from

$162.99
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet 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 housing assemblies
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Autopart International Inc – Thermostat Assembly (Part No.G40022020429API)

Thermostat Assembly

from

$60.17
Thermostat Assembly

Dorman – Thermostat Assembly: Includes Housing, Gasket, and Thermostat, 180 Degrees (Part No.902-5137)

Thermostat Assembly: Includes Housing, Gasket, and Thermostat, 180 Degrees

from

$56.99
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet 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 housing assemblies
See More

Dorman – Thermostat Assembly: Includes Housing, Thermostat, and Gasket, 180 Degrees (Part No.902-5174)

Thermostat Assembly: Includes Housing, Thermostat, and Gasket, 180 Degrees

from

$42.49
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet 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 housing assemblies
See More

Dorman – Thermostat Assembly: Includes Housing, Thermostat, and Gasket, 180 Degrees (Part No.902-5136)

Thermostat Assembly: Includes Housing, Thermostat, and Gasket, 180 Degrees

from

$40.49
This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing assembly directly replaces the original water outlet 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 housing assemblies
See More

Motorad – Thermostat Kit: Includes Housing, Thermostat and Seal, 180 Degrees (Part No.5155KT)

Thermostat Kit: Includes Housing, Thermostat and Seal, 180 Degrees

from

$31.49
Kit includes thermostat, housing, and all necessary seals/gaskets to do the complete job. These individual parts are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat and 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. 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