1991 Lexus LS400 Engine Cooling Parts
Keep Your 1991 Lexus LS400 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 1991 Lexus LS400 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including , , and . 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 , , and Dorman. For example, Engine Cooling Parts start at just $12.99 with an average 4.4 star rating. and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 411 reviews and a solid 4 star average, you can shop with confidence knowing other Lexus LS400 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1991 Lexus LS400 Engine Cooling Part at Advance Auto Parts is around $31.54, with a range that starts at $1.49 and goes up to $209.99. With 25 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like Coolant Temperature Sensor, UltraStat Thermostat: 180 Degrees, and Radiator Cap: 13 PSI start at just $18.79 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 Air Conditioning Parts and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 1991 Lexus LS400 in peak condition, inside and out.
Essential 1991 Lexus LS400 Engine Cooling Parts
Carquest Premium – Radiator Cap Tester Adapter (Part No.12021)
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.
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Product Features:
- Machined metal construction
- Works with MT-300 pressure tester
- Tests coolant caps
- Professional quality
Carquest Premium – Standard Thermostat: 180 Degrees (Part No.14078)
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.
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 – Engine Coolant Thermostat Housing Assembly: With Seal, 180 Degrees (Part No.5155KT)
from
$32.99
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:
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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
Carquest Premium – Universal Fan Clutch – 6" Import/Compact (Part No.215102)
from
$80.99
The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. Carquest fan clutches are designed to meet OE performance specifications.
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Product Features:
- Carquest Premium Fan Clutch
- 6″ import/compact
- Designed, tested and built by application
- OE performance, fit and appearance
- Designed, tested, and built by application
- OE performance, fit, and appearance
- Precision machined
- Out of box installation
Carquest Premium – Universal Fan Clutch – 6" Import/Compact (Part No.215119)
from
$88.99
Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. Carquest fan clutches are designed to meet OE performance specifications.
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Product Features:
- Designed, tested, and built by application
- OE performance, fit, and appearance
- Precision machined
- Out of box installation
- Designed, tested, and built by application
- OE performance, fit, and appearance
- Precision machined
- Out of box installation
Carquest Premium – Coolant Temperature Sensor (Part No.WTC1005)
from
$32.99
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:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
- OE precision matched thermistor ensuring sensors match OE output resistances across all temperature positions
- O-rings, seals or thread sealant are included if required
- 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
Delphi – Engine Coolant Temperature Sensor (Part No.TS10198)
from
$41.49
Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.
Product Features:
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Product Features:
- Delphi temperature sensors deliver accurate readings and optimal performance
- Delphi’s 1 piece design and automated production process eliminates internal connectors and failure points
- Each sensor is electrically insulated to eliminate interference from other components in the vehicle
- Delphi temperature sensors are impervious to electrical noise and interference
Dorman – Help – Radiator Drain Cocks (Part No.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.
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Product Features:
- Direct replacement – this radiator drain petcock matches the fit and function of the original equipment part
- Durable construction – this part is made of quality materials for a long service life
- Saves money – offers original equipment quality at a competitive price
- Quality assured – this petcock has undergone virtual testing to assure proper fit and function
Dorman – Plastic Drain Cock Screw-In Type Screw-M14-2.0 (Part No.490-216.1)
from
$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.
Product Features:
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Product Features:
- Direct replacement – this radiator drain petcock matches the fit and function of the original equipment part
- Durable construction – this part is made of quality materials for a long service life
- Saves money – offers original equipment quality at a competitive price
- Quality assured – this petcock has undergone virtual testing to assure proper fit and function
Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35552)
from
$4.79
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:
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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
Felpro – Engine Coolant Thermostat Seal (Part No.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.
Product Features:
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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
Stant – THERMOSTAT SEAL (Part No.27286)
from
$1.49
THERMOSTAT SEAL
Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.85155)
from
$34.99
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
- 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
Carquest Premium – Engine Coolant Temperature Sender (Part No.WTA1658)
from
$17.99
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.
Product Features:
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Product Features:
- Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
- Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
- Thermally conductive grease within the housing providing the most accurate temperature transfer from the engine to the thermistor.
- Plated brass or aluminum housings to prevent housing corrosion, ensures effective heat distribution to thermal element, and ensure a secure and leak-free thread mount.
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Carquest Premium – Coolant Housing/Water Outlet (Part No.CH5155)
from
$12.99
Carquest Premium Coolant 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.
Product Features:
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Product Features:
- Easy, one step fit and installation
- No special tools required
- Meets or exceeds all OEM standards
Product Features:
Dorman – Coolant Housing/Water Outlet: with Housing and Gasket, 180 Degree Neck Angle (Part No.902-5005)
from
$35.99
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:
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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
Carquest Premium – Radiator Cap: 13 PSI (Part No.10327)
from
$18.79
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:
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Product Features:
- Safety lever to vent coolant pressure before removal
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Carquest Premium – Radiator Cap: 13 PSI (Part No.10227)
from
$12.99
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:
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Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
KAI – Radiator (Part No.RAD2058)
from
$141.99
New Platinum Pro Radiator, 4.0 Liter 8 Cylinder Engine, Without Tow Package
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Product Features:
- 4.0 Liter 8 Cylinder Engine, Without Tow Package, 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
Carquest Premium – Radiator (Part No.431399)
from
$184.99
Carquest Premium Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Carquest Premium 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.
Product Features:
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Product Features:
- Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
- Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
- Our fin edges are folded for increased stability and heat disbursement properties.
- Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
- Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
- We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
- We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
Carquest Premium – Radiator (Part No.431379)
from
$209.99
Carquest Premium Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Carquest Premium 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.
Product Features:
See More
Product Features:
- Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
- Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
- Our fin edges are folded for increased stability and heat disbursement properties.
- Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
- Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
- We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
- We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
Carquest Premium – Engine Cooling Fan Switch (Part No.WTA1283)
from
$38.99
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.
Product Features:
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Product Features:
- Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
- Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
- Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
- Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
Popular 1991 Lexus LS400 Engine Cooling Parts Categories
Most Popular Coolant Temperature Sensors for 1991 Lexus LS400s
Enhance your 1991 Lexus LS400 with one of the 5 Coolant Temperature Sensors we have in stock, starting at just $15.99.
Factory Air – Coolant Temp Sensor Switch (Part No.36424)
from
$34.05
High quality OE replacement part with all components needed to complete the job
Product Features:
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Product Features:
- Contains gaskets, O-rings, or seals to properly replace the product
- Brass construction for accurate temperature sensing
- Color coded for easy identification
- Zinc coated terminal to resist corrosion
Carquest Premium – Coolant Temperature Sensor (Part No.WTC1005)
from
$32.99
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:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
- OE precision matched thermistor ensuring sensors match OE output resistances across all temperature positions
- O-rings, seals or thread sealant are included if required
- 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
Carquest Premium – Coolant Temperature Switch 1TS1218 (Part No.WTC1066)
from
$15.99
Product Features:
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- Designed to meet or exceed OE specifications for fit, form and function
- 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
- OE precision matched thermistor ensuring Motorad sensors match OE output resistances across all temperature positions
- O-rings, seals or thread sealant are included if required
- 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
Delphi – Engine Coolant Temperature Sensor (Part No.TS10198)
from
$41.49
Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.
Product Features:
See More
Product Features:
- Delphi temperature sensors deliver accurate readings and optimal performance
- Delphi’s 1 piece design and automated production process eliminates internal connectors and failure points
- Each sensor is electrically insulated to eliminate interference from other components in the vehicle
- Delphi temperature sensors are impervious to electrical noise and interference
AISIN – TEMPERATURE SENSOR (Part No.THSAZ-8001)
from
$36.99
TEMPERATURE SENSOR
Best-Selling 1991 Lexus LS400 Coolant Reservoir Caps
Upgrade your LS400 with one of our 2 best-selling Coolant Reservoir Caps, earning an average 4.25 stars rating across 214 reviews.
Carquest Premium – Radiator Cap: 13 PSI (Part No.10227)
from
$12.99
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:
See More
Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Carquest Premium – Radiator Cap: 13 PSI (Part No.10327)
from
$18.79
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:
See More
Product Features:
- Safety lever to vent coolant pressure before removal
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Top-Quality Radiator Fan Clutch for 1991 Lexus LS400s
Choose a high-quality OEM or aftermarket Radiator Fan Clutch for Lexus LS400s and enjoy top-notch performance from $80.99.
Carquest Premium – Universal Fan Clutch – 6" Import/Compact (Part No.215102)
from
$80.99
The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. Carquest fan clutches are designed to meet OE performance specifications.
Product Features:
See More
Product Features:
- Carquest Premium Fan Clutch
- 6″ import/compact
- Designed, tested and built by application
- OE performance, fit and appearance
- Designed, tested, and built by application
- OE performance, fit, and appearance
- Precision machined
- Out of box installation
Our Top Pick for a 1991 Lexus LS400 Radiator
Invest in a
durable Radiator for your 1991 Lexus, knowing you’re getting trusted brands and expert craftsmanship.
Carquest Premium – Radiator (Part No.431379)
from
$209.99
Carquest Premium Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Carquest Premium 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.
Product Features:
See More
Product Features:
- Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
- Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
- Our fin edges are folded for increased stability and heat disbursement properties.
- Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
- Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
- We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
- We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.
Top-Rated Thermostats for 1991 Lexus LS400s
Make a smart move for your 1991 Lexus LS400 with products all priced from $17.99 to $32.99.
Carquest Premium – Standard Thermostat: 170 Degrees (Part No.14077)
from
$18.99
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:
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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
Carquest Premium – Standard Thermostat: 180 Degrees (Part No.14078)
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.
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 – UltraStat Thermostat: 180 Degrees (Part No.5281-180)
from
$24.99
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:
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Product Features:
- Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
- Heavy gauge stainless steel components offer increased reliability and long-lasting durability
- 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 – Engine Coolant Thermostat Housing Assembly: With Seal, 180 Degrees (Part No.5155KT)
from
$32.99
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:
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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 – UltraStat Thermostat – 195 Degrees (Part No.5281-170)
from
$22.99
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.
Product Features:
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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
Top-Rated Engine Cooling Part Brands For Your 1991 Lexus LS400
When it comes to finding the perfect Engine Cooling Part for your 1991 Lexus LS400, 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 , , 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 1991 Lexus LS400, providing peace of mind with parts that meet or exceed OEM standards.
Popular Felpro 1991 Lexus LS400 Engine Cooling Parts
If you’re looking for a top-quality Engine Cooling Part for your 1991 Lexus LS400, 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 1991 Lexus LS400 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 1991 Lexus LS400 Engine Cooling Parts
For those in search of a high-quality Engine Cooling Part for their 1991 Lexus LS400, Advance Auto Parts offers a great selection of 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 $12.99, with an average price of $16.66, giving you a range of options to suit your budget. Backed by over 301 customer ratings and an average rating of 4.4 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.
FAQs for 1991 Lexus LS400 Engine Cooling Parts
What are the best-selling Engine Cooling Parts for 1991 Lexus LS400s?
Out of 25 Engine Cooling Parts that fit 1991 Lexus LS400s, the following parts are the top sellers:
- Coolant Temperature Sensor (12422776) – $32.99
- UltraStat Thermostat: 180 Degrees (11920681) – $24.99
- Radiator Cap: 13 PSI (10049277) – $18.79
What’s the price range for 1991 Lexus LS400 Engine Cooling Parts?
The prices of Engine Cooling Parts for the 1991 Lexus LS400 range from $1.49 up to $209.99 for the most premium parts.
What is the average price of an Engine Cooling Part for a 1991 Lexus LS400?
The average price for Engine Cooling Parts for the 1991 Lexus LS400 is $31.54. 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 LS400 model years?
What are the cheapest Engine Cooling Parts for my 1991 Lexus LS400?
The cheapest 1991 Lexus LS400 Engine Cooling Parts we carry are:
- THERMOSTAT SEAL (89016526) – $1.49
- Engine Coolant Thermostat Housing Gasket (19780026) – $4.79
- Plastic Drain Cock Screw-In Type Screw-M14-2.0 (22972337) – $4.99
- Engine Coolant Thermostat Seal (5181607) – $6.99
- Radiator Drain Cocks (17190405) – $7.99
What are the top-rated Engine Cooling Parts that fit the 1991 Lexus LS400?
The one 1991 Lexus LS400 Engine Cooling Part we have in stock is the THERMOSTAT SEAL. It costs $1.49.
What types of Engine Cooling Parts do you sell for my 1991 Lexus LS400?
As of 3/1/26, these are some of the most in-demand types of Engine Cooling Parts for a 1991 Lexus LS400:
Can I get help with 1991 Lexus LS400 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 LS400 Engine Cooling Parts?
Advance Auto Parts keeps returns simple. For new Lexus LS400 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.