{"title":"Thermostats","description":"\u003cp\u003eEnsure your Subaru’s engine stays cool with premium Thermostats from Gates, IAG Performance, Mishimoto, and Subaru. A properly functioning thermostat is essential for maintaining optimal engine temperature, cooling system efficiency, and reliable performance. Whether you're replacing a worn OEM thermostat or upgrading your Subaru’s cooling system, we offer high-quality thermostat replacements designed for proper coolant flow and consistent engine temperatures. Choose IAG Performance for dependable thermostat upgrades and OEM-style replacements for your Subaru WRX, STI, BRZ, Legacy GT, and Forester XT.\u003c\/p\u003e","products":[{"product_id":"subaru-thermostat-for-2015-23-subaru-wrx","title":"Subaru Thermostat For 2015-25 Subaru WRX","description":"\u003cp\u003eSubaru Thermostat for 2015-25 Subaru WRX\u003c\/p\u003e","brand":"Subaru","offers":[{"title":"Default Title","offer_id":48062314643674,"sku":"21210AA221","price":39.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/apiyykkoo__36074.1741034070.1280.1280.jpg?v=1781529631"},{"product_id":"gates-98-13-toyota-corolla-1-8l-thermostat-seal-33661","title":"Gates Subaru Thermostat Seal - 33661","description":"\u003cp\u003eGaskets: Cuts installation time in half. Adhesive-backed gasket material helps prevent breaking of water outlet. Gasket cement is not needed. Approved for Marine Applications. Self-adhesive backing holds thermostat in place while water outlet is being installed. Rubber thermostat seals also available. Seals: Fits securely around thermostat valve to prevent leakage. Approved for Marine Applications. Corrosion-resistant steel construction. Specially constructed to assure accurate fit.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":48062341218522,"sku":"GAT33661","price":2.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/33661__94716.1661789516.1280.1280.jpg?v=1781529758"},{"product_id":"mishimoto-68-degree-celsius-racing-thermostat-for-2014-18-subaru-forester-xt-mmts-wrx-15","title":"Mishimoto 68 Degree Celsius Racing Thermostat For 2014-18 Subaru Forester XT - MMTS-WRX-15","description":"\u003ch2 style=\"text-align:center;\"\u003eRACING THERMOSTAT, FITS SUBARU FORESTER XT 2014-2018\u003c\/h2\u003e\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\u003cp\u003ePurchase Includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e(1) Mishimoto Thermostat\u003c\/li\u003e\n\u003cli\u003eMishimoto Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 style=\"text-align:center;\"\u003eKEY FEATURES\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect fit for the 2014+ Subaru Forester XT\u003c\/li\u003e\n\u003cli\u003eLower activation temperature allows coolant to flow through the engine earlier, maintaining lower temperatures (Mishimoto thermostat activates at 165.2°F vs. stock 190.4°F)\u003c\/li\u003e\n\u003cli\u003eMishimoto Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 style=\"text-align:center;\"\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\u003cp\u003eThe Mishimoto racing thermostat for the 2014-2018 Subaru Forester XT will promote greater cooling efficiency in your stock or modified FA20DIT. Once the engine is fully warmed up, the Mishimoto racing thermostat will open at a lower temperature than standard thermostats. This allows coolant to flow through the engine sooner, which reduces and maintains cooler engine temperatures. The Mishimoto Forester XT racing thermostat is the perfect addition to your street or track Forester XT and is a direct replacement for the stock thermostat. As with all their products, this thermostat includes the Mishimoto Lifetime Warranty.\u003c\/p\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":48062375854298,"sku":"MISMMTS-WRX-15","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/17092fef64f88a5754a5b7eb79928236__60453.1640205062.1280.1280.jpg?v=1781529915"},{"product_id":"mishimoto-68-degree-celsius-racing-thermostat-for-2002-14-subaru-wrx-04-21-wrx-sti-mmts-wrx-01","title":"Mishimoto 68 Degree Celsius Racing Thermostat For 2002-14 Subaru WRX, 04-21 WRX STI - MMTS-WRX-01","description":"\u003ch2 style=\"text-align:center;\"\u003eRACING THERMOSTAT, FITS SUBARU WRX 2002-2014 \/ STI 2004-2021\u003c\/h2\u003e\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\u003cp\u003ePurchase Includes\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e(1) Mishimoto Thermostat\u003c\/li\u003e\n\u003cli\u003eMishimoto Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 style=\"text-align:center;\"\u003eKEY FEATURES\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits the 2002-2014 Subaru WRX\/STI\u003c\/li\u003e\n\u003cli\u003eFits the 2004-2021 Subaru STI\u003c\/li\u003e\n\u003cli\u003eAllows for cooler engine temperatures\u003c\/li\u003e\n\u003cli\u003eMishimoto Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 style=\"text-align:center;\"\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\u003cp\u003eThe Mishimoto racing thermostat for the Subaru WRX 2002-2014 \/ STI 2004-2021 will promote greater cooling efficiency throughout your engine. The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications. Once the engine is fully warmed up, the Mishimoto racing thermostat will open up at a lower temperature than standard thermostats, allowing the coolant to flow through the engine sooner, which reduces and maintains cooler engine temperatures.\u003c\/p\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":48062375297242,"sku":"MISMMTS-WRX-01","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/f21c01c8cd0c5d026ec3531fdf4d5b05__23833.1640205058.1280.1280.jpg?v=1781529916"},{"product_id":"mishimoto-racing-thermostat-for-2013-subaru-brz-scion-fr-s-toyota-86-gr86-mmts-brz-13","title":"Mishimoto Racing Thermostat For 2013+ Subaru BRZ\/Scion FR-S\/Toyota 86\/GR86 - MMTS-BRZ-13","description":"\u003ch2 style=\"text-align:center;\"\u003eRACING THERMOSTAT, FITS SUBARU BRZ 2013+\u003c\/h2\u003e\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\u003cp\u003ePurchase Includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e(1) Mishimoto Thermostat\u003c\/li\u003e\n\u003cli\u003eMishimoto Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 style=\"text-align:center;\"\u003eKEY FEATURES\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eActivates at lower temperature so coolant flows through system earlier\u003c\/li\u003e\n\u003cli\u003eAllows for cooler engine temperatures\u003c\/li\u003e\n\u003cli\u003eMishimoto Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 style=\"text-align:center;\"\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\u003cp\u003eThe Mishimoto racing thermostat for the 2013+ Subaru BRZ \/ 2021+ Toyota GR86 \/ 17-20 Toyota GR86 will promote greater cooling efficiency in your stock or modified FA20. Once the engine is fully warmed up, the Mishimoto racing thermostat will open at a lower temperature than standard thermostats. This allows coolant to flow through the engine sooner, which reduces and maintains cooler engine temperatures. The Mishimoto racing thermostat is the perfect addition to your street or track car and is a direct replacement for the factory thermostat. As with all their products, this thermostat includes the Mishimoto Lifetime Warranty.\u003c\/p\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":48062375657690,"sku":"MISMMTS-BRZ-13","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/092b0f04c1f923389e1bbafdb340e240__94854.1640205045.1280.1280.jpg?v=1781529916"},{"product_id":"gates-02-14-subaru-wrx-thermostat-34012","title":"Gates 02-14 Subaru WRX Thermostat - 34012","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003cbr\u003eGates® Turbocharger Hose are specially compounded for use as a short, flexible connector between the air intake and the turbocharger. Can also be used for turbocharger air discharge. Approved for marine applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHighly visible orange color helps distinguish this hose from engine coolant hose.\u003c\/li\u003e\n\u003cli\u003eSilicone elastomer inner liner reinforced with woven fiberglass fabric and coated with orange silicone rubber.\u003c\/li\u003e\n\u003cli\u003eResists coolants, weathering and ozone.\u003c\/li\u003e\n\u003cli\u003eResists high temperatures and pressures.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":48062432608474,"sku":"GAT34012","price":23.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/34012__37075.1662493514.1280.1280.jpg?v=1781530091"},{"product_id":"iag-subaru-an-style-thermostat-housing-for-02-21-wrx-04-21-sti-04-13-fxt-05-09-lgt-13-20-brz","title":"IAG Subaru AN-Style Thermostat Housing for 02-24 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT, 13-24 BRZ","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG SUBARU AN-STYLE THERMOSTAT HOUSING FOR 02-24 WRX, 04-21 STI, 04-21 STI, 04-13 FXT, 05-09 LGT, 13-24 BRZ\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG AN Style Thermostat Housing\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/Unknown-951.jpg\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTHE IAG AN STYLE THERMOSTAT HOUSING\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG AN Style Thermostat Housing is the perfect upgrade for those transitioning from rubber OEM Subaru hoses to aftermarket AN hoses. This precision-engineered thermostat housing is designed to replace the factory unit in the following Subaru models- 2002-2024 WRX, 2004-2021 STI, 2004-2021 STI, 2004-2013 FXT, 2005-2009 LGT and 2013-2024 BRZ. It ensures a reliable and secure connection with aftermarket AN components, while providing optimal coolant flow for your Subaru’s cooling system.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG AN Style Thermostat Housing - Installed\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/Unknown-958.jpg\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eADVANCED ENGINEERING\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG AN Style Thermostat Housing is a significant upgrade over the OEM setup, which relies on rubber hoses and standard worm-drive clamps. While the stock system is adequate for street use, it lacks the reliability needed for high-performance applications. Our AN Style Thermostat Housing ensures a leak-free, robust seal that can withstand the demands of serious builds, thanks to its superior construction and protective finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG AN Style Thermostat Housing - Aluminum Construction\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/Unknown-965.jpg\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eHIGH-PERFORMANCE ALUMINUM DESIGN\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eIAG’s AN Style Thermostat Housing is precision machined from robust 6061-T6 billet aluminum. Unlike cast aluminum, billet aluminum offers superior strength, enabling it to endure higher levels of heat, stress, and strain. This thermostat housing has a flat 2 bolt OEM-style mounting flange on one side, along with a -20 AN male threaded end on the opposite side. Additionally, the housing features a sleek black anodized finish, providing enhanced protection against corrosion.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG AN Style Thermostat Housing - Layout\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/Unknown-972.jpg\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eCAD DESIGNED, CNC MACHINED \u0026amp; MADE IN THE USA\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eWe’re proud to say that the IAG AN Style Thermostat Housing is machined and manufactured right here in our state-of-the-art facility in Westminster, Maryland. Founded in 2007, IAG Performance has been at the forefront of Subaru performance and innovation. We offer a wide variety of problem-solving aftermarket products. Our friendly, USA based, support staff is also here to help with any installation questions you might have.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062478811354,"sku":"IAG-ENG-2040","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-ENG-2040-01__52710.1723496189.1280.1280.jpg?v=1781530274"},{"product_id":"iag-subaru-wiggins-style-thermostat-housing-for-02-24-wrx-04-21-sti-04-13-fxt-05-09-lgt-13-24-brz","title":"IAG Subaru Wiggins Style Thermostat Housing for 02-24 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT, 13-24 BRZ","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG SUBARU WIGGINS STYLE THERMOSTAT HOUSING\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG SUBARU WIGGINS STYLE THERMOSTAT HOUSING\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/ff80d5d4-f296-4dbc-8bae-1cad0dc6abc3\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eULTIMATE PERFORMANCE FOR RACE APPLICATIONS\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eWhen building a Subaru race car one often overlooked component is the thermostat housing. The OEM housing can restrict coolant flow, which is a big problem when seeking maximum performance. The standard thermostat housing uses rubber hoses and standard worm-drive clamps. While this works OK on a street car, it's not the most reliable connection and requires tools for removal. \u003cbr\u003e\u003cbr\u003eThe IAG \"Wiggins\" Style Subaru Thermostat housing is designed to replace the OEM housing with specialized fitting called a \"wiggins\" clamp. This connection allows flexibility while making installation and removal easy without the need for any tools. The housing also outflows the restrictive OEM unit. Custom fabrication required for lower radiator hose assembly. (-24 Wiggins style clamp NOT included) \u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG SUBARU Wiggins Style Thermostat Housing - Cutaway\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/910620f3-90c4-49a8-adac-ddd060ab9412\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eA DIFFERENT KIND OF CLAMP\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\n\u003cp\u003eWiggins Clamps combine lightness with strength, the qualities associated with alloys and eliminate the necessity of heavy, untidy hoses and hose clamps, which in turn, saves assembly time.\u003c\/p\u003e \u003cp\u003eWiggins clamps have numerous and diverse applications in Race, Rally, Military Vehicles, Aerospace, Marine and Industrial markets with the benefits of time saving, lightness, strength and flexibility. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg alt=\"IAG SUBARU Wiggins Style Thermostat Housing Layout\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/5581a1f3-76f3-4275-bd58-c02fa8b47647\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eCAD DESIGNED, CNC MACHINED\u0026amp; MADE IN THE USA\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eWe're proud to say that our products are manufactured right here in our facility in Westminster, MD. IAG Performance was founded in 2007 as an innovator in Subaru performance products. We offer a wide variety of problem-solving aftermarket products. Our friendly, USA based, support staff is also here to help with any installation questions you might have.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062479958234,"sku":"IAG-ENG-2041","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-ENG-2041-01__96133.1723206401.1280.1280.jpg?v=1781530277"},{"product_id":"subaru-thermostat-for-2002-14-wrx-2004-21-sti","title":"Subaru Thermostat for 2002-14 WRX, 2004-21 STI","description":"\u003ch2 style=\"text-align:center;\"\u003eSUBARU THERMOSTAT PN# 21200AA072 FOR 2002-14 WRX AND 2004-21 STI\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cp\u003eThe Subaru Coolant Thermostat with part number 21200AA072 is a crucial component designed specifically for Subaru's performance-oriented models, namely the 2002-2014 WRX and the 2004-2021 STI. This thermostat plays a vital role in regulating the engine's temperature by controlling the flow of coolant between the engine and the radiator.\u003c\/p\u003e\n\u003ch2 style=\"text-align:center;\"\u003eKEY FEATURES AND FUNCTIONS:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Regulation:\u003c\/strong\u003e The thermostat helps maintain the engine's optimal operating temperature, which is essential for efficient performance and longevity. It ensures that the engine warms up quickly and stays within the ideal temperature range, preventing overheating and potential engine damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Construction:\u003c\/strong\u003e Subaru OEM parts, including this thermostat, are built to meet strict quality standards. The 21200AA072 thermostat is made from durable materials designed to withstand the high temperatures and pressures found in performance engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This thermostat is specifically designed for the Subaru WRX models from 2002 to 2014 and the STI models from 2004 to 2021. Its precise fit ensures reliable operation and easy installation, making it a preferred choice for maintenance and repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part:\u003c\/strong\u003e Being an Original Equipment Manufacturer (OEM) part, the 21200AA072 thermostat guarantees compatibility and performance identical to the original component installed in the vehicle. This ensures that the vehicle's warranty remains intact and that the part works seamlessly with the car's engine and cooling system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align:center;\"\u003eIMPORTANCE FOR WRX AND STI MODELS:\u003c\/h2\u003e\n\u003cp\u003eThe WRX and STI are known for their high-performance engines, which can generate significant heat during operation. Proper cooling is crucial to prevent engine overheating, which can lead to serious mechanical issues and reduced performance. The thermostat ensures that the coolant circulates correctly, allowing the engine to reach its operating temperature quickly and then maintaining that temperature consistently.\u003c\/p\u003e\n\u003cp\u003eIn summary, the Subaru Coolant Thermostat Part Number 21200AA072 is an essential component for maintaining the optimal performance and reliability of 2002-2014 WRX and 2004-2021 STI models. Its high-quality construction, precise fit, and crucial role in temperature regulation make it a key part of the vehicle's cooling system.\u003c\/p\u003e","brand":"Subaru","offers":[{"title":"Default Title","offer_id":48062546313434,"sku":"21200AA072","price":32.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/21200AA072-01__79296.1724078874.1280.1280.jpg?v=1781530625"},{"product_id":"iag-156-degree-low-temperature-ej-thermostat-for-2002-2014-wrx-2004-2021-sti","title":"IAG 156 Degree Low Temperature \"EJ\" Thermostat For 2002-2014 WRX, 2004-2021 STI","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG 156 DEGREE LOW TEMPERATURE \"EJ\" THERMOSTAT FOR 2002-2014 WRX, 2004-2021 STI\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cdiv class=\"video-embed\" style=\"position:relative;width:100%;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/x9ZeL6ER8YU?start=0\u0026amp;end=0\u0026amp;autoplay=0\u0026amp;loop=0\u0026amp;rel=1\" allowfullscreen loading=\"lazy\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 156 Degree Low Temperature Subaru EJ Thermostat for WRX STI\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/d2cae504-2472-497c-999d-ee3a57a09b8e\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTHE IAG 156 DEGREE LOW TEMPERATURE EJ THERMOSTAT\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eFor Subaru owners pushing their 2002-2014 WRX or 2004-2021 STI EJ series engine to the limit, the IAG 156 Degree Low Temperature EJ Thermostat is a smart upgrade. Unlike the factory thermostat, which doesn’t open until 172.4°F (78°C), this unit starts opening at 156°F (69°C), improving cooling efficiency by allowing coolant to circulate sooner.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"Installing the IAG 156 Degree Low Temp Subaru Thermostat for 02-14 WRX and 04-21 STI\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/a8118821-7c6b-4bc9-8115-2b1b08c5a7cc\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eENGINEERED FOR PERFORMANCE\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\n\u003cp\u003eBy allowing coolant to circulate earlier, a low-temperature thermostat helps to keep the engine from heating up too quickly. This is a big advantage for engines that see heavy loads, preventing sudden spikes in heat. A cooler engine can also mean better efficiency and less risk of detonation, allowing for stronger, more reliable performance.\u003cbr\u003e\u003cbr\u003eThe IAG 156° Thermostat is best suited for:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eModified EJ engines making more power than stock \u003c\/li\u003e \u003cli\u003eVehicles with upgraded cooling systems (radiators, fans)\u003c\/li\u003e \u003cli\u003eTrack day or autocross cars\u003c\/li\u003e \u003cli\u003eStreet cars in hot climates with ECU tuning to match\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eIt's not recommended for:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDaily drivers in colder climates\u003c\/li\u003e \u003cli\u003eStock or lightly-modified Subarus\u003c\/li\u003e \u003cli\u003eBuilds without supporting cooling upgrades\u003c\/li\u003e \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cimg alt=\"IAG 156 Degree Low Temperature EJ Thermostat for 02-14 WRX, 04-21 STI\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/8bb7b658-1c70-4650-99d4-0dadce9d29d4\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003ePREMIUM-GRADE EJ THERMOSTAT\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG 156 Degree Low Temperature EJ Thermostat is engineered for durability, featuring a 304 stainless steel body to resist corrosion. This direct-fit replacement stands up to demanding conditions and includes the necessary gasket for a secure, leak-free seal to the thermostat housing. Every detail, from the laser-etched finish to the IAG corporate logo is a reflection of the high quality engineering and construction behind this component.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062568399066,"sku":"IAG-ENG-2311","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-ENG-2311-01__96165.1746211931.1280.1280.jpg?v=1781530770"},{"product_id":"iag-167-degree-low-temperature-fa-thermostat-for-2015-wrx-2013-brz","title":"IAG 167 Degree Low Temperature \"FA\" Thermostat For 2015+ WRX, 2013+ BRZ","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG 167 DEGREE LOW TEMPERATURE \"FA\" THERMOSTAT FOR 2015 + WRX, 2012 + BRZ\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG Low Temp Thermostat for FA20 Subaru\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/5d5ed727-abd3-4242-81b5-adcc531e50dc\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eTHE IAG 167 DEGREE LOW TEMPERATURE FA THERMOSTAT\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eFor Subaru owners pushing their 2015+ WRX and 2013+ BRZ FA series engine to the limit, the IAG 167 Degree Low Temperature FA Thermostat is a smart upgrade. Unlike the factory thermostat, which doesn’t open until 190.4°F (90°C), this unit starts opening at 167°F (75°C), improving cooling efficiency by allowing coolant to flow earlier. By lowering operating temperatures, it helps prevent heat soak and improves thermal management—ideal for high-performance driving where maintaining optimal engine temps is crucial.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"Installing IAG Low Temperature Thermostat for FA20 Engine\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/85a8bef7-4fa9-4fc3-9a93-af107d089f9a\/-\/format\/auto\/-\/quality\/normal\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eENGINEERED FOR PERFORMANCE\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eBy allowing coolant to circulate earlier, a low-temperature thermostat helps to keep the engine from heating up too quickly. This is a big advantage for engines that see heavy loads, preventing sudden spikes in heat. A cooler engine can also mean better efficiency and less risk of detonation, allowing for stronger, more reliable performance.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"FA20 Subaru Low Temperature Thermostat by IAG\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/9dd4b405-6798-41c3-8da1-5924d87eb271\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003ePREMIUM-GRADE FA THERMOSTAT\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG 167 Degree Low Temperature FA Thermostat is engineered for durability, featuring a 430 stainless steel flange to resist corrosion. This direct-fit replacement stands up to demanding conditions and includes the necessary gasket for a secure, leak-free seal to the thermostat housing. Every detail, from the laser-etched finish to the IAG corporate logo is a reflection of the high quality engineering and construction behind this component.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062569251034,"sku":"IAG-ENG-2312","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-ENG-2312-01__83294.1754074715.1280.1280.jpg?v=1781530770"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/collections\/6fac7d34-09fe-4b4e-a9c6-1a6570b154a5.png?v=1781714851","url":"https:\/\/www.iagperformance.com\/collections\/engine-cooling-thermostats.oembed","provider":"IAG Performance","version":"1.0","type":"link"}