{"product_id":"subaru-oem-brake-master-to-clutch-master-hose-15-21-sti-37251fj020","title":"Subaru OEM Brake Master to Clutch Master Hose (15-21 STI) | 37251FJ020","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Genuine Subaru Brake Master to Clutch Master Hose (Part #37251FJ020) is an OEM-spec hydraulic line designed to connect the brake master cylinder reservoir to the clutch master cylinder on 2015–2021 Subaru WRX STI models. Engineered and manufactured to Subaru's factory standards, this hose ensures proper hydraulic fluid transfer, reliable clutch engagement, and long-term durability you can count on. If you're experiencing a soft clutch pedal, fluid leaks, or visible hose degradation, replacing with a genuine Subaru part is the only way to restore factory performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Subaru OEM Quality\u003c\/strong\u003e – Manufactured to exact factory specifications, ensuring a precise fit and reliable hydraulic performance with no modifications required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact-Fit Guarantee\u003c\/strong\u003e – Designed specifically for 2015–2021 Subaru WRX STI; no cutting, adapting, or guesswork during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e – Built to withstand the high-pressure hydraulic environment of the clutch system, resisting cracking, swelling, and fluid degradation over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores Factory Clutch Feel\u003c\/strong\u003e – Replacing a worn or leaking hose with this OEM part returns your clutch pedal to its original engagement feel and response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Warranty Coverage\u003c\/strong\u003e – As a genuine Subaru part, it is backed by Subaru's OEM parts warranty when installed by an authorized dealer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Fluid Contamination\u003c\/strong\u003e – Maintains a sealed, leak-free hydraulic circuit between the brake master cylinder reservoir and clutch master cylinder.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Genuine Subaru Brake Master to Clutch Master Hose (Part #37251FJ020)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e37251FJ020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGenuine Subaru OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003ctd\u003eBrake Master to Clutch Master Cylinder Hose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eOEM-grade reinforced rubber\/hydraulic hose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFluid Compatibility\u003c\/th\u003e\n\u003ctd\u003eDOT 3 \/ DOT 4 Brake Fluid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003e2015–2021 Subaru WRX STI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM Cross-Reference\u003c\/th\u003e\n\u003ctd\u003e37251FJ020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis genuine Subaru hose is confirmed to fit the following vehicles:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015–2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003ctd\u003eAll Trims (STI, STI Limited, STI Sport, STI Type RA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eAlways verify your vehicle's VIN and production date when ordering OEM parts to confirm compatibility. This hose is specific to the STI's hydraulic clutch system and is \u003cstrong\u003enot\u003c\/strong\u003e interchangeable with the standard WRX.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eThis is a direct OEM replacement hose. Installation involves disconnecting the existing hose from the brake master cylinder reservoir and clutch master cylinder, transferring to the new hose, and bleeding the clutch hydraulic system to remove any air. While mechanically inclined enthusiasts can perform this service at home, professional installation by a qualified Subaru technician is recommended to ensure proper bleeding and system integrity. Always use fresh DOT 3 or DOT 4 brake fluid as specified in your owner's manual.\u003c\/p\u003e","brand":"Subaru OEM","offers":[{"title":"Default Title","offer_id":43153500962912,"sku":"sub37251FJ020","price":30.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1398\/9853\/files\/Subaru-OEM-Brake-Master-to-Clutch-Master-Hose-15-21-STI-37251FJ020.jpg?v=1791485878","url":"https:\/\/www.importimageracing.com\/products\/subaru-oem-brake-master-to-clutch-master-hose-15-21-sti-37251fj020","provider":"Import Image Racing","version":"1.0","type":"link"}