{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": true,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": true,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": true,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": true,
    "zipPaymentFlag": "c",
    "hassleFreeReturn": true,
    "lifetimeReplacement": true,
    "cpn_off": false
}
Select your vehicle

Lexus Thermostats

Refine by:

Shop Catalog

Showing 1 - 15 of 69 results
Display item:
15
30
45
Sort by:
Thermostat Housing - Plastic, Direct Fit, Sold individually, Gas, Includes Sensor and Gasket
Part Number: RL31800001
Vehicle Info Required to Guarantee Fit
$15.73
Product Details
Notes : Upper Housing (Water Outlet)Replaces OE Number : 1603131020Quantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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 : 4th of July SaleOpening Temperature Rating : 180 DegreesInterchange Part Number : 1430879, 1603131020Material : PlasticProduct Fit : Direct FitReturns Policy : 30-Day Return Policy
Thermostat Housing - Black, Direct Fit, Sold individually, Includes Seal and Jiggle Pin
Part Number: REPT318004
Vehicle Info Required to Guarantee Fit
$16.49
Product Details
Replaces OE Number : 160310S010Quantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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 : 4th of July SaleOpening Temperature Rating : 180 DegreesInterchange Part Number : 34705, 160310S010Product Fit : Direct FitReturns Policy : 30-Day Return Policy
Thermostat, with Housing, 4 Cyl., 1.8L Engine
Part Number: RT31800001
Vehicle Info Required to Guarantee Fit
$21.99
Product Details
Notes : Includes housing; 0.5 in. Outlet 1 ID; 1.13 in. Outlet 2 ID; 0.68 in. Outlet 1 OD; 13.34 in. Outlet 2 ODReplaces OE Number : 1603137010Quantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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 : 34707, 1603137010Recommended Use : OE ReplacementProduct Fit : Direct FitReturns Policy : 30-Day Return Policy
3-Piece Kit Radiator, 2.5L/3.5L Engines, Aluminum Core, Plastic Tank, includes Coolant Reservoir and Thermostat
Part Number: KIT-052623-129
Vehicle Info Required to Guarantee Fit
$112.49
Product Details
Notes : Thermostat - Upper Housing (Water Outlet); Coolant Reservoir - With CapCore Dimensions : 14.75 x 27.88 x 0.63 in. Core SizeComponents : (1) Coolant Reservoir, (1) Radiator, and (1) ThermostatAutomatic Transmission Cooler : Without Transmission CoolerEngine Oil Cooler : Without Engine Oil CoolerInlet Size : 1.5 in. InletRecommended Use : OE ReplacementNumberof Rows : 1-Row CoreTank Material : Plastic TankCore Material : Aluminum CoreColor Finish : Factory FinishOutlet Size : 1.5 in. OutletReplaces DPI Number : DPI# 2968Product Fit : Direct FitQuantity Sold : KitReplaces OE Number : 1640031440, 1647031080, 1603131020Replaces Partslink Number : LX3010135, LX3014103Warranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead and lead compounds, 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 : 4th of July SaleReturns Policy : 30-Day Return PolicyCore Height : 14 3/4 in.Core Width : 27 7/8 in.Core Thickness : 5/8 in.Interchange Part Number : 3295, CU2968, 1640031440, LX3010135, 1647031080, LX3014103, 1430879, 1603131020
3-Piece Kit Radiator, 1.8L Engine, Aluminum Core, Plastic Tank, Main Radiator, includes Coolant Reservoir and Thermostat
Part Number: KIT-052623-133
Vehicle Info Required to Guarantee Fit
$130.49
Product Details
Notes : Radiator - Main Unit; Thermostat - Includes housing; 0.5 in. Outlet 1 ID; 1.13 in. Outlet 2 ID; 0.68 in. Outlet 1 OD; 13.34 in. Outlet 2 OD; Coolant Reservoir - With CapCore Dimensions : 25.63 x 14.5 x 0.63 in. Core SizeComponents : (1) Coolant Reservoir, (1) Radiator, and (1) ThermostatAutomatic Transmission Cooler : Without Transmission CoolerEngine Oil Cooler : Without Engine Oil CoolerInlet Size : 1.31 in. InletRecommended Use : OE ReplacementNumberof Rows : 1-Row CoreTank Material : Plastic TankCore Material : Aluminum CoreColor Finish : Factory FinishOutlet Size : 1.31 in. OutletReplaces DPI Number : DPI# 13119Product Fit : Direct FitQuantity Sold : KitReplaces OE Number : 1640037230, 1648028080-PFM, 1647537010-PFM, 1603137010Replaces Partslink Number : TO3010325, TO3014136Warranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead and lead compounds, 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 : 4th of July SaleReturns Policy : 30-Day Return PolicyCore Height : 25 5/8 in.Core Width : 14 1/2 in.Core Thickness : 5/8 in.Interchange Part Number : 3775, CU13119, 1640037230, TO3010325, 1648028080-PFM, 1647537010-PFM, TO3014136, 34707, 1603137010
3-Piece Kit Radiator, 3.0L/3.5L Engines, Aluminum Core, Plastic Tank, includes Coolant Reservoir and Thermostat
Part Number: KIT-052623-130
Vehicle Info Required to Guarantee Fit
$116.99
Product Details
Notes : Thermostat - Upper Housing (Water Outlet); Coolant Reservoir - With cap and hoseCore Dimensions : 15.75 x 27.81 x 0.63 in. Core SizeComponents : (1) Coolant Reservoir, (1) Radiator, and (1) ThermostatAutomatic Transmission Cooler : Without Transmission CoolerEngine Oil Cooler : Without Engine Oil CoolerInlet Size : 1.5 in. InletRecommended Use : OE ReplacementNumberof Rows : 1-Row CoreTank Material : Plastic TankCore Material : Aluminum CoreColor Finish : Factory FinishOutlet Size : 1.5 in. OutletReplaces DPI Number : DPI# 2782Product Fit : Direct FitQuantity Sold : KitReplaces OE Number : 1640031370, 1647031030, 1603131020Replaces Partslink Number : LX3010129, LX3014106Warranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead and lead compounds, 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 : 4th of July SaleReturns Policy : 30-Day Return PolicyCore Height : 15 3/4 in.Core Width : 27 3/4 in.Core Thickness : 5/8 in.Interchange Part Number : 3297, CU2782, 1640031370, LX3010129, 1647031030, LX3014106, 1430879, 1603131020
6-Piece Kit Radiator with Radiator Cap, Radiator Hoses, Thermostat, and Thermostat Gasket, 3.0L Engine, Aluminum Core, Plastic Tank
Part Number: KIT-090723-85
Vehicle Info Required to Guarantee Fit
$183.49
Product Details
Location : Upper And LowerNotes : Cap - 16 lbs; Thermostat - 180 DegreesCore Dimensions : 16.75 x 28.06 x 1 in. Core SizeComponents : (1) Radiator, (1) Radiator Cap, (2) Radiator Hose, (1) Thermostat, and (1) Thermostat GasketAutomatic Transmission Cooler : With Transmission CoolerEngine Oil Cooler : Without Engine Oil CoolerInlet Size : 1.31 in. InletOutlet Location : Bottom left outletRecommended Use : OE ReplacementNumberof Rows : 1-Row CoreTank Material : Plastic TankCore Material : Aluminum CoreColor Finish : Factory FinishOutlet Size : 1.31 in. OutletInlet Location : Top right inletReplaces DPI Number : DPI# 1746Product Fit : Direct FitQuantity Sold : KitWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead and lead compounds, 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 : 4th of July SaleReturns Policy : 30-Day Return PolicyCore Height : 16 3/4 in.Core Width : 28 in.Core Thickness : 1 in.
Radiator Kit, 5.7L Engine, Aluminum Core, Plastic Tank, with Thermostat
Part Number: KIT-052623-132
Vehicle Info Required to Guarantee Fit
$166.49
Product Details
Components : (1) Radiator and (1) ThermostatRecommended Use : OE ReplacementTank Material : Plastic TankCore Material : Aluminum CoreColor Finish : Factory FinishProduct Fit : Direct FitQuantity Sold : KitReplaces OE Number : 1640050382, 1640050380, 160310S010Warranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead and lead compounds, 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 : 4th of July SaleReturns Policy : 30-Day Return PolicyInterchange Part Number : 1640050382, 1640050380, TO3010326, 34705, 160310S010
UBA1430953 Thermostat
Part Number: BEC1430953
Vehicle Info Required to Guarantee Fit
$16.00
Product Details
Notes : With housingQuantity 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.

Deals : OverstockCondition : NewRecommended Use : OE Replacement
14127 Thermostat
Part Number: ST14127
Vehicle Info Required to Guarantee Fit
$22.49
Product Details
Location : LowerQuantity 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 : 170 degreesMaterial : Stainless SteelRecommended Use : OE Replacement
THT-004 AISIN Thermostat Thermostat
Part Number: ASCTHT004
Vehicle Info Required to Guarantee Fit
$32.49
Product Details
Replaces OE Number : 1603131020Quantity 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.

Opening Temperature Rating : 180 DegreesSeries : AISIN ThermostatInterchange Part Number : 1603131020Material : SteelRecommended Use : OE Replacement
33983S Thermostat
Part Number: GAT33983S
Vehicle Info Required to Guarantee Fit
$38.99
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
TI 257 82 Mahle OE Replacement Thermostat
Part Number: MAHTI25782
Vehicle Info Required to Guarantee Fit
$61.99
Product Details
Notes : Integral Thermostat; Seal(s) includedReplaces OE Number : 1603137010Quantity Sold : Sold individuallyWarranty : 12-month 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 CSeries : Mahle OE ReplacementInterchange Part Number : RT31800001, 1603137010Material : SteelRecommended Use : OE Replacement
UBA1430957 Thermostat
Part Number: BEC143-0957
Vehicle Info Required to Guarantee Fit
$32.49
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.

Recommended Use : OE Replacement
UBA1430971 Thermostat
Part Number: BEC1430971
Vehicle Info Required to Guarantee Fit
$38.49
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.

Recommended Use : OE Replacement
Page 1 of 5 | Showing 1 - 15 of 69 results

Top Rated Products

Part fit perfectly, no issues!!!
Amber R.
VERIFIED PURCHASER

Popular Products

33983S Thermostat
Part No: GAT33983S
( Review)
$38.99
UBA1430953 Thermostat
Part No: BEC1430953
( Review)
$16.00
7.8222S Thermostat
Part No: FAC78222S
( Review)
$12.99
TI 257 82 Mahle OE Replacement Thermostat
Part No: MAHTI25782
( Review)
$61.99

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