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1997 Lexus SC400

Thermostats

Driving your vehicle when it has a bad thermostat can be problematic. Your engine may overheat or it may not get hot enough to reach peak performance. Get your engine back to peak condition by getting a replacement thermostat right here at Carparts.com. Our great selection of thermostat replacements come only from trusted manufacturers, so you can be sure of their quality and durability. Browse through our selection of thermostats and get the best deal when you order one today.
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Showing 1 - 15 of 16 results
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Thermostat
Part Number: GAT33983S
Guaranteed to Fit
$36.99
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L GAS, 180 Degree
Product Details
Notes : 2.21 in. Flange Diameter; 1.01 in. Height from Flange; 1.74 in. Depth from Flange; 2.75 in. Total Height; (1) Seal Quantity; (1) Jiggle Pins Quantity; Bottom By-Pass Design; O-Ring Seal TypeQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 82 degrees CMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
Thermostat
Part Number: ST14078
Guaranteed to Fit
$25.49
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L GAS, Temperature 180 Degrees
Product Details
Quantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesInterchange Part Number : REPC318003, 33009SMaterial : Stainless SteelRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7281-170
Guaranteed to Fit
$15.99
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L Temperature 170F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 170 degreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
UltraStat Series Thermostat
Part Number: MRD5281-170
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L Temperature 170F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 195 degreesSeries : UltraStat SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
UltraStat Series Thermostat
Part Number: MRD5281-180
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L Temperature 180F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesSeries : UltraStat SeriesRecommended Use : OE Replacement
OE Replacement Series Thermostat
Part Number: FAC78444
Guaranteed to Fit
$22.99
Vehicle Fitment
  • 1997 Lexus SC400 Base All Engines
Product Details
Replaces OE Number : 9091603075, 9091603125, 9091603129, 9091603140, 9091603084, 9091603133, 9091603136, 9091603144, 9091603145, 90916A3001, 90916A3002, 90916A3003, 90916C3001, 2120057J16, 2120057J00, 2120057J15Quantity Sold : Sold individuallyWarranty : Facet limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Replacement SeriesInterchange Part Number : 9091603075, 9091603125, 9091603129, 9091603140, 9091603084, 9091603133, 9091603136, 9091603144, 9091603145, 90916A3001, 90916A3002, 90916A3003, 90916C3001, 2120057J16, 2120057J00, 2120057J15
Thermostat
Part Number: MRD281-170
Guaranteed to Fit
$9.99
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L Temperature 170F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 170 degreesRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7281-180
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L Temperature 180F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
Thermostat
Part Number: GAT33868S
Guaranteed to Fit
$27.49
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L GAS, 180 Degree, OE Temperature
Product Details
Notes : 2.2 in. Flange Diameter; 0.72 in. Height from Flange; 1.7 in. Depth from Flange; 2.42 in. Total Height; (1) Jiggle Pins Quantity; Bottom By-Pass DesignQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 82 degrees CMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
Beck Arnley OE Replacement Thermostat
Part Number: 143-0722
Guaranteed to Fit
$31.99
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L Includes Gasket/Seal, Temperature 180
Product Details
Quantity Sold : Sold individuallyWarranty : 1 year or 12,000-mile Beck Arnley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesSeries : Beck Arnley OE ReplacementInterchange Part Number : REPT318001Material : Stainless SteelRecommended Use : OE Replacement
Thermostat
Part Number: MAHTX14882
Guaranteed to Fit
$35.49
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L Eng. Designation: 1UZFE, From 09/97
Product Details
Quantity Sold : Sold individuallyWarranty : 1-year Mahle limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsOpening Temperature Rating : 82 degrees CRecommended Use : OE Replacement
Thermostat
Part Number: MRD281-192
Guaranteed to Fit
$11.49
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L Temperature 192F; Higher Alternate Temperature Replacement
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 192 degreesRecommended Use : OE Replacement
Thermostat
Part Number: ASCTHT019
Guaranteed to Fit
$17.49
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month or 12,000 mile AISIN limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : OE Replacement
Thermostat
Part Number: MRD281-180
Guaranteed to Fit
$9.49
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L Temperature 180F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesRecommended Use : OE Replacement
Gates OE Replacement Thermostat
Part Number: GAT33867
Guaranteed to Fit
$20.99
Vehicle Fitment
  • 1997 Lexus SC400 Base 8 Cyl 4.0L GAS, 170 Degree
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 170 degreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
Page 1 of 2 | Showing 1 - 15 of 16 results

Top Rated Products

Quick shipping . Direct fit. Part worked well and great price
Louis P.
VERIFIED PURCHASER
Great factory looking part, easy install, works as design. Solved my overheating pSee More
James J.
VERIFIED PURCHASER

Popular Products

234-180 Thermostat
Part No: MRD234-180
( Review)
$9.65
33019S Gates OE Replacement Thermostat
Part No: GAT33019S
( Review)
$10.99
UBA1430903 Thermostat
Part No: BEC1430903
( Review)
$49.49
TX 146 78D Mahle OE Replacement Thermostat
Part No: MAHTX14678D
( Review)
$37.49
7.8971 Thermostat
Part No: FAC78971
( Review)
$19.49

Product Questions & Answers

Q:Does it come with a gasket?
Jose74
A:BEST ANSWERHi Jose, thank you for reaching out. This product doesn't include the gasket. You can use this link to continue ordering this part at a discounted price today: https://www.carparts.com/thermostat/motorad/mrd281-180?can=CPAP3648_CSQA_20240129 I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >
Q:Does this come with o ring?
Doug K.
A:BEST ANSWERHi Doug, I'm happy to assist you. This item doesn't come with an O-ring. These are going out fast, and we have just a few stocks remaining. Take advantage of the limited stocks for this item. Click this link to order this part: https://www.carparts.com/thermostat/aisin/asctht019?can=CPAP3648_20220406 I hope this helps. Enjoy shopping at Carparts.com! Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >

Shopping for Thermostat

Thermostat Shopping Info

What Is a Thermostat?

Your thermostat is an important part of your vehicle’s cooling system, which is usually located near your radiator. The thermostat helps regulate your engine's temperature, keeping it within the ideal range for optimal function and performance.

How Much Does a Thermostat Replacement Cost?

The cost of a replacement thermostat can vary, depending on your vehicle’s year, make, and model. Parts alone can cost from $10 to $60. The average labor cost can range from $120 to $150, but it may change based on location and the extent of work needed.

Shop for Aftermarket Thermostats on CarParts.com

Don't let your engine overheat and sustain damage because of a bad thermostat. Luckily, you can get a direct-fit aftermarket thermostat right here at CarParts.com. Purchase a thermostat today without leaving your home.

We have a wide variety of thermostats made of various materials, including stainless steel, copper, and aluminum. They’re all made with specified opening temperature ratings, so you can get a thermostat that perfectly matches your car’s needs and maintains excellent engine performance. You can easily navigate through our website and use refinements, so you can place your order with a few clicks.

Our aftermarket thermostats guarantee OE-grade performance and fit. Our products are all made by reliable manufacturers who are considered veterans in the automotive industry. Each item has gone through strict manufacturing and testing procedures, guaranteeing durability and dependable safety. Our thermostats are all priced competitively, so you can fix your vehicle without spending a fortune.

Are you ready to shop for an aftermarket thermostat? You can conveniently narrow down your search based on compatibility by entering your vehicle’s year, make, and model into our vehicle selector. Feeling unsure about your order? Don’t worry! Our customer service team is ready 24/7 to assist you. Take a look at our thermostats and shop now!

Featured Makes

Helpful Automotive Resources

What Does It Mean When the Engine Is Hot While the AC Is Off?
What Does It Mean When the Engine Is Hot While the AC Is Off?This is particularly problematic since hot engines are a lot more prone to overheating. If an engine overheats the odds of it breaking down and sustaining permanent damage increase exponentially. Potential Causes Of A Hot Engine If the AC is Off
What Does Check Gauges Mean?
What Does Check Gauges Mean?It can also mean that certain readings are reaching hazardous levels. For example, the check gauge light can illuminate once the PCM detects the temperature of your coolant is too high. However, take note that not all vehicles have a temperature gauge. Some only have a warning light that’s triggered
Where Is the Thermostat Located?
Where Is the Thermostat Located?In most Chevy Cruze models, you’ll find the thermostat in a housing under the top radiator hose. In most Nissan Frontier models, you can find the thermostat located behind the lower radiator hose, which you’ll have to remove to access the thermostat. A list of all the possible places where the