{
    "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
}
2018 Subaru WRX STI

2018 Subaru WRX STI Thermostats

Refine by:

Shop Catalog

Showing 1 - 9 of 9 results
Sort by:
Thermostat
Part Number: MAHTX14378D
Guaranteed to Fit
$31.49
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L
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 : 78 degrees CRecommended Use : OE Replacement
Thermostat
Part Number: MRD294-170
Guaranteed to Fit
$9.99
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Temperature 170F; 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 : 170 degreesRecommended Use : OE Replacement
Thermostat
Part Number: MRD294-140
Guaranteed to Fit
$10.99
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Temperature 140F; Alternate Temperature Option
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Temperature 140F; Alternate Temperature Option
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Temperature 140F; Alternate Temperature Option
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Temperature 140F; Alternate Temperature Option
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Temperature 140F; 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 : 140 degreesMaterial : Stainless SteelRecommended Use : OE Replacement
Gates OE Replacement Thermostat
Part Number: GAT33857
Guaranteed to Fit
$10.49
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L GAS, 170 Degree
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L GAS, 170 Degree
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L GAS, 170 Degree
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L 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 ReplacementInterchange Part Number : REPS318002Recommended Use : OE Replacement
UltraStat Series Thermostat
Part Number: MRD5294-170
Guaranteed to Fit
$16.49
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Temperature 170F; 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 : 170 degreesSeries : UltraStat SeriesRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7294-170
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Temperature 170F; 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 : 170 degreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
High Flow Series Thermostat
Part Number: MRD2094-170
Guaranteed to Fit
$8.49
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Temperature 170F; Oe Specified Temperature
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Temperature 170F; 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 : 170 degreesSeries : High Flow SeriesRecommended Use : OE Replacement
Thermostat
Part Number: GAT33857S
Guaranteed to Fit
$14.99
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L 170 Degree, Alternate Temperature
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L 170 Degree, Alternate Temperature
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L 170 Degree, Alternate Temperature
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L 170 Degree, Alternate Temperature
Product Details
Notes : 2.2 in. Flange Diameter; 0.71 in. Height from Flange; 0.9 in. Depth from Flange; 1.61 in. Total Height; Reverse Poppet 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 : 77 degrees CMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
Gates OE Replacement Thermostat
Part Number: GAT34012
Guaranteed to Fit
$16.99
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L 172 Degree, OE Temperature
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L 172 Degree, OE Temperature
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L 172 Degree, OE Temperature
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L 172 Degree, OE Temperature
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 : 172 degreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
Page 1 of 1 | Showing 1 - 9 of 9 results

Top Rated Products

What I needed, works great.
Isaac B.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Q:Does this co.e with the gasket showed in the picture?
Jeffrey T.
A:BEST ANSWERHi Jeffrey, I'm happy to assist you. Yes. It will come exactly as to how it is shown in the product image. Click on the link below to order at 57% off the regular price while supplies last. I hope this helps. Enjoy shopping at Carparts.com! https://www.carparts.com/thermostat/gates/gat34012?can=CPGG4850 Show less
Grace G.
 
1 Question, 1 AnswerView all Q&As >
Q:Does this come with gaskets?
Michelle C.
A:BEST ANSWERHi Michelle, thank you for reaching out. No, it does not. Kindly call our parts team at 1-866-529-0412 so we can help you find an appropriate thermostat with a gasket. Have a good one! Show less
Andrew B.
 
1 Question, 1 AnswerView all Q&As >