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

Buick Reatta Thermostats

Refine by:

Shop Catalog

Showing 1 - 15 of 16 results
Display item:
15
30
45
Sort by:
45849 Thermostat
Part Number: ST45849
Vehicle Info Required to Guarantee Fit
$25.99
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.

Interchange Part Number : REPC318002Material : Stainless SteelRecommended Use : OE Replacement
131-115 GM Original Equipment Series Thermostat
Part Number: AC131115
Vehicle Info Required to Guarantee Fit
$17.49
Product Details
Notes : Low leak; Includes gasket; When used in place of 3037747 customer should discard sealQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco 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 : GM Original Equipment SeriesInterchange Part Number : REPC318003, 33009SMaterial : Stainless SteelRecommended Use : OE Replacement
2003-180 High Flow Series Thermostat
Part Number: MRD2003-180
Vehicle Info Required to Guarantee Fit
$15.99
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 : High Flow SeriesRecommended Use : OE Replacement
203-180 Thermostat
Part Number: MRD203-180
Vehicle Info Required to Guarantee Fit
$15.99
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
2003-195 High Flow Series Thermostat
Part Number: MRD2003-195
Vehicle Info Required to Guarantee Fit
$6.49
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 degreesSeries : High Flow SeriesRecommended Use : OE Replacement
5203-195 UltraStat Series Thermostat
Part Number: MRD5203-195
Vehicle Info Required to Guarantee Fit
$9.49
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 SeriesRecommended Use : OE Replacement
5203-180 UltraStat Series Thermostat
Part Number: MRD5203-180
Vehicle Info Required to Guarantee Fit
$9.49
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
7203-195 Fail-Safe Thermostat Series Thermostat
Part Number: MRD7203-195
Vehicle Info Required to Guarantee Fit
$9.99
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 : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
7203-180 Fail-Safe Thermostat Series Thermostat
Part Number: MRD7203-180
Vehicle Info Required to Guarantee Fit
$10.99
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
7203-160 Fail-Safe Thermostat Series Thermostat
Part Number: MRD7203-160
Vehicle Info Required to Guarantee Fit
$9.99
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 : 160 degreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
203-195 Thermostat
Part Number: MRD203-195
Vehicle Info Required to Guarantee Fit
$15.99
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
203-160 Thermostat
Part Number: MRD203-160
Vehicle Info Required to Guarantee Fit
$16.49
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 : 160 degreesRecommended Use : OE Replacement
33428 Gates OE Replacement Thermostat
Part Number: GAT33428
Vehicle Info Required to Guarantee Fit
$8.99
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 : 180 DegreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
33429S Gates OE Replacement Thermostat
Part Number: GAT33429S
Vehicle Info Required to Guarantee Fit
$10.49
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 : 195 degreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
33428S Gates OE Replacement Thermostat
Part Number: GAT33428S
Vehicle Info Required to Guarantee Fit
$11.49
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 : 180 DegreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
Page 1 of 2 | Showing 1 - 15 of 16 results

Top Rated Products

Direct oem fit. Better than aftermarket I’ve used in past
Alan M.
VERIFIED PURCHASER

Popular Products

2003-180 High Flow Series Thermostat
Part No: MRD2003-180
( Review)
$15.99
33428 Gates OE Replacement Thermostat
Part No: GAT33428
( Review)
$8.99
45849 Thermostat
Part No: ST45849
( Review)
$17.99

Product Questions & Answers

Q:does gasket come with thermostat ?
jerry e.
A:BEST ANSWERHi Jerry, I'm pleased to assist you. No, the gasket is not included. It is sold separately. Let me provide you with the 2 links to complete your order. Click on the links below to see and order at discounted prices while supplies last. I hope this is helpful. Enjoy shopping at Carparts.com! Thermostat - https://www.carparts.com/thermostat/gates/gat33429s?can=CPGG4850 Gasket - https://www.carparts.com/search?q=thermostat_gasket&vehicle[year]=1980&vehicle[make]=Chevrolet&vehicle[model]=Monte_Carlo&vehicle[submodel]=Sport&vehicle[cylinders]=6&vehicle[liter]=3%2E8&can=CPGG4850 Show less
Grace G.
 
1 Question, 1 AnswerView all Q&As >
Q:Can I use a 190 degree thermostats?
Larry G.
A:BEST ANSWERHello! You could, however, this is a 180 degree thermostat. I would use whatever thermostat was originally specified by your engine manufacturer. Show less
Mitchell D.
 
1 Question, 1 AnswerView all Q&As >
Q:What comes with the part?
A shopper
A:BEST ANSWERHi, This is the Thermostat only as shown on the photo.
Aldrin P.
 
3 Questions, 1 AnswerView all Q&As >

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?Sometimes your engine heats up and reaches critical temperatures when you’re driving. Normally, turning off the air conditioning would help in this scenario, but what if your engine overheats even if you haven’t turned on the AC? Engine Hot, AC Off: What Does That Mean?
What Does Check Gauges Mean?
What Does Check Gauges Mean?A modern vehicle is equipped with several sensors that help monitor the condition of some of its most critical components. These sensors send their data to the powertrain control module (PCM). The PCM then alerts the driver accordingly through the instrument panel cluster. One example of a warning light is
Where Is the Thermostat Located?
Where Is the Thermostat Located?A: The thermostat is one of the most important components of a vehicle’s cooling system. Responsible for regulating coolant flow, it makes sure that the engine doesn’t overheat and stays within the normal operating temperature.