{"product_id":"raybestos-mc391006-brake-master-cylinder","title":"Raybestos MC391006 Brake Master Cylinder","description":"\u003ch2\u003eBrake Master Cylinder Overview\u003c\/h2\u003e\u003cp\u003eRaybestos MC391006 is a brake master cylinder for select Toyota Yaris applications. It is part of the Element3; New line and is built with an aluminum body, a 0.813 bore, and two M10x1 ports for a direct hydraulic connection.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAluminum master cylinder construction for a lightweight, corrosion-resistant housing.\u003c\/li\u003e\n\u003cli\u003e0.813 bore size for consistent hydraulic pressure transfer.\u003c\/li\u003e\n\u003cli\u003eTwo-port design with M10x1 primary and secondary threads.\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes with a 0.354 diameter for proper installation alignment.\u003c\/li\u003e\n\u003cli\u003eRaybestos MC391006 for brake hydraulic service on select Toyota Yaris models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eRaybestos MC391006 is a replacement brake master cylinder engineered for 2007-2009 Toyota Yaris applications. The aluminum construction helps reduce weight while maintaining the structural integrity needed in the brake hydraulic system. With a 0.813 bore, two ports, and M10x1 thread specifications, this master cylinder is configured for the vehicle’s brake line connections and hydraulic operation. The Element3; New product line identifies a new replacement offering within Raybestos brake hydraulics, and MC391006 is a fitment-specific option for Yaris brake system service.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLoss of brake pedal pressure caused by internal master cylinder wear.\u003c\/li\u003e\n\u003cli\u003eBrake fluid leakage from the master cylinder body or ports.\u003c\/li\u003e\n\u003cli\u003eUneven or inconsistent hydraulic response during braking.\u003c\/li\u003e\n\u003cli\u003eBrake pedal travel that increases as hydraulic seals deteriorate.\u003c\/li\u003e\n\u003cli\u003eBrake system performance concerns tied to a failing master cylinder.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify port thread size, bore size, and mounting hole layout before installation. After replacement, bleed the brake system thoroughly to remove trapped air and restore proper pedal feel. Confirm that the brake lines and sealing surfaces are clean and undamaged before connecting the new unit. Fits 2007-2009 Toyota Yaris, N\/A.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eRaybestos brake hydraulics are built to meet replacement-service expectations for fit and function. This part cross-references Centric Parts (e.g., 130.44125) for the same application.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":53580502335669,"sku":"BDBL-MC391006","price":115.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC391006_Fro.jpg?v=1792646452","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc391006-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}