{"product_id":"mishimoto-high-pressure-1-3-bar-radiator-cap-small-one-way","title":"Mishimoto High-Pressure 1.3 Bar Radiator Cap","description":"\u003ch3\u003eMishimoto High-Pressure 1.3 Bar Radiator Cap | 1.3 Bar Pressure Rating | Cooling System Upgrade\u003c\/h3\u003e\n\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe Mishimoto High-Pressure 1.3 Bar Radiator Cap is a direct-fit replacement designed to enhance the cooling system performance of various Subaru models. This radiator cap increases the pressure threshold from the stock level to 1.3 bar, allowing your cooling system to operate more efficiently under demanding driving conditions. It is ideal for Subaru enthusiasts who push their vehicles hard, whether on spirited street driving or track days, and want to maintain optimal coolant flow and system integrity.\u003c\/p\u003e\n\u003cp\u003eEngineered specifically for Subaru platforms, this radiator cap features one-way functionality that mirrors the OEM design, ensuring seamless integration and reliable operation. Mishimoto’s attention to detail includes a unique non-directional sticker that guarantees correct orientation during installation. The cap’s robust construction is designed to withstand higher pressures without leaking or failing, making it a dependable upgrade for your Subaru’s cooling system.\u003c\/p\u003e\n\u003cp\u003eBy maintaining higher system pressure, the Mishimoto radiator cap raises the boiling point of the coolant, reducing the risk of overheating and coolant loss into the overflow reservoir. This translates to improved thermal management, especially during high-load scenarios common to Subaru WRX, STI, Forester, Legacy, and Impreza models. The direct-fit design ensures a hassle-free installation experience, making it a practical upgrade for Subaru owners seeking enhanced cooling reliability and performance.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures \u0026amp; Specifications\u003c\/h4\u003e\n\u003cp\u003eThis Mishimoto High-Pressure Radiator Cap is engineered for a wide range of Subaru models including WRX, STI, Impreza, Forester, Legacy, Outback, and Crosstrek. Featuring a 1.3 bar pressure rating, it is constructed from durable materials to maintain optimal coolant system pressure and prevent coolant loss under high thermal loads.\u003c\/p\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mishimoto\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e High-Pressure 1.3 Bar Radiator Cap\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MMRC-13-ONWY\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 1998-2001 Impreza, 2002-2003 WRX, 2002-2007 Impreza, 2004-2005 STI, 2004-2005 WRX, 2004-2008 Forester, 2005-2009 Legacy, 2006-2007 WRX, 2008-2010 STI, 2008-2010 WRX, 2008-2016 Impreza, 2009-2013 Forester, 2009-2014 Outback, 2010-2014 Legacy, 2011-2014 STI, 2011-2014 WRX, 2014-2018 Forester, 2015-2021 STI, 2015-2021 WRX, 2017-2022 Crosstrek, 2017-2022 Impreza\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade metal and rubber sealing components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black with non-directional sticker\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Precision engineered, one-way valve design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Manufactured to OEM standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Rating:\u003c\/strong\u003e 1.3 Bar (19 psi)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunctionality:\u003c\/strong\u003e One-way valve matching OEM operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eKey Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Increases cooling system pressure to raise coolant boiling point, reducing overheating risk during high-load driving.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e Prevents coolant loss to overflow reservoir by maintaining system integrity under elevated pressures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Direct OEM-style replacement designed specifically for Subaru vehicles, ensuring perfect fit and function.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Constructed with high-quality materials to withstand demanding thermal and pressure conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEase of Installation:\u003c\/strong\u003e Non-directional sticker and direct-fit design simplify installation without guesswork.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Supports a broad range of Subaru models from late 1990s to recent years, covering WRX, STI, Impreza, Forester, Legacy, Outback, and Crosstrek.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Mishimoto High-Pressure 1.3 Bar Radiator Cap\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp\u003eInstallation of the Mishimoto High-Pressure Radiator Cap is straightforward and typically DIY-friendly, requiring no special tools beyond basic hand tools to remove the old cap. Its direct-fit design ensures compatibility with the specified Subaru models without modifications. This upgrade does not require tuning but is recommended for vehicles experiencing elevated cooling demands, such as those with performance modifications or used in aggressive driving scenarios.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e DIY-Friendly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModifications Required:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify Compatibility:\u003c\/strong\u003e Confirm fitment for your specific Subaru year and model before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eShop with confidence at Subimods—your Subaru parts specialists.\u003c\/p\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":46677413200047,"sku":"MMRC-13-ONWY","price":25.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/3598\/4815\/files\/mishimoto-high-pressure-13-bar-radiator-cap-mmrc-13-onwy-5686564.jpg?v=1776331760","url":"https:\/\/subimods.com\/products\/mishimoto-high-pressure-1-3-bar-radiator-cap-small-one-way","provider":"Subimods.com","version":"1.0","type":"link"}