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Cadillac STS Thermostats

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34163S Thermostat
Part Number: GAT34163S
Vehicle Info Required to Guarantee Fit
$31.49
Product Details
Notes : 1.66 in. Flange Diameter; 0.86 in. Height from Flange; 1.88 in. Depth from Flange; 2.74 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
5339-180 UltraStat Series Thermostat
Part Number: MRD5339-180
Vehicle Info Required to Guarantee Fit
$25.99
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 degrees FSeries : UltraStat SeriesRecommended Use : OE Replacement
34055 Gates OE Replacement Thermostat
Part Number: GAT34055
Vehicle Info Required to Guarantee Fit
$83.49
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
7339-180 Fail-Safe Series Thermostat
Part Number: MRD7339-180
Vehicle Info Required to Guarantee Fit
$21.99
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 degrees FSeries : Fail-Safe SeriesRecommended Use : OE Replacement
131-157 GM Original Equipment Series Thermostat
Part Number: AC131157
Vehicle Info Required to Guarantee Fit
$29.99
Product Details
Quantity 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 SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
34717 Gates OE Replacement Thermostat
Part Number: GAT34717
Vehicle Info Required to Guarantee Fit
$20.49
Product Details
Notes : Includes jiggle pin and installation tool; With (1) seal; Integrated housing thermostat 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 : 180 DegreesSeries : Gates OE ReplacementMaterial : Stainless SteelRecommended Use : OE Replacement
339-180 Thermostat
Part Number: MRD339-180
Vehicle Info Required to Guarantee Fit
$17.49
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 DegreesRecommended Use : OE Replacement
735-180 Thermostat
Part Number: MRD735-180
Vehicle Info Required to Guarantee Fit
$17.99
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
33808 Gates OE Replacement Thermostat
Part Number: GAT33808
Vehicle Info Required to Guarantee Fit
$16.49
Product Details
Notes : 1.38 in. by-pass flange diameter; 1.38 in. depth from flange; 2.28 in. flange diameter; 0.73 in. H from flange; With (1) seal; Bottom by-pass design; OE type thermostatQuantity 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 : 180 DegreesSeries : Gates OE ReplacementMaterial : Stainless SteelRecommended Use : OE Replacement
86202 Thermostat
Part Number: FS86202
Vehicle Info Required to Guarantee Fit
$114.49
Product Details
Quantity Sold : Sold individuallyWarranty : 120-day 4-Seasons 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.

Material : Aluminum
131-128 GM Original Equipment Series Thermostat
Part Number: AC131128
Vehicle Info Required to Guarantee Fit
$47.49
Product Details
Notes : Gasket not includedQuantity 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.

Opening Temperature Rating : 82 degrees CSeries : GM Original Equipment SeriesInterchange Part Number : REPC318003, 33009SMaterial : Stainless SteelRecommended Use : OE Replacement
Page 1 of 1 | Showing 1 - 11 of 11 results

Top Rated Products

Very good qualified
Stanley P.
VERIFIED PURCHASER
The thermostat housing was not the correct one for my 2010 CTS Cadillac 3.0
Clarence H.
VERIFIED PURCHASER

Popular Products

34163S Thermostat
Part No: GAT34163S
( Review)
$31.49
5339-180 UltraStat Series Thermostat
Part No: MRD5339-180
( Review)
$25.99
86202 Thermostat
Part No: FS86202
( Review)
$114.49

Product Questions & Answers

Q:does it come with o ring ?
Anthony N.
A:BEST ANSWERHi Anthony, I'm glad to assist you. No, it doesn't. It is sold separately on this link: https://www.carparts.com/thermostat-gasket/ac-delco/ac12574478?can=CPAE1047_CSQA_20231115 I hope this helps, and if you're interested in this thermostat, you can click on the link below for direct ordering to take advantage of our ongoing discount and limited stocks. Happy shopping. https://www.carparts.com/thermostat/ac-delco/ac131128?can=CPAE1047_CSQA_20231115 Show less
Arnel E.
 
1 Question, 1 AnswerView all Q&As >
Q:Is thermostat included?
Linwood J.
A:BEST ANSWERHi Linwood, I'm glad to assist you. Yes, it is. If you're interested in this part, you can click on the link below for direct ordering to take advantage of our ongoing sale and limited stocks. I hope this helps and happy shopping. https://www.carparts.com/thermostat/4-seasons/fs86202?can=CPAE1047_CSQA_20220916 Show less
Arnel E.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

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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?
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