{"product_id":"dorman-m630431-brake-master-cylinder","title":"Dorman M630431 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Mazda 6\u003c\/h2\u003e\u003cp\u003eThe Dorman M630431 brake master cylinder is engineered to restore proper brake hydraulics for your Mazda 6. Designed with precision, this aluminum master cylinder ensures consistent brake fluid pressure and reliable stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.813 inches for accurate fluid displacement\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes two outlets with a rearward outlet size of M10 x 1.0 and a thread pitch of 1.0\u003c\/li\u003e\n\u003cli\u003eDoes not include reservoir or mounting hardware\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter: 10 mm\u003c\/li\u003e\n\u003cli\u003eSensor not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder (part number M630431) is designed specifically for the Mazda 6, providing a direct replacement for the original component. The aluminum construction offers durability and resistance to wear, while the 0.813-inch bore diameter ensures proper hydraulic pressure for effective braking. Featuring two outlets, including a rearward outlet with M10 x 1.0 thread size, this master cylinder supports the brake system's fluid distribution without the need for additional sensors or reservoirs.\u003c\/p\u003e\u003ch2\u003eCompatible Applications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mazda 6 models requiring a 0.813-inch bore diameter master cylinder\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eResolves spongy or unresponsive brake pedal feel due to internal seal failure\u003c\/li\u003e\n\u003cli\u003eAddresses brake pressure inconsistencies affecting stopping performance\u003c\/li\u003e\n\u003cli\u003eSuitable for restoring brake hydraulics after component damage or wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M630431 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal performance. Since mounting hardware and reservoir are not included, retain original components or source separately as needed. Verify thread sizes and outlet fittings match your vehicle’s brake lines before installation. Professional installation is recommended to maintain brake system safety and integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Refer to Dorman’s official warranty policy for complete information.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52089074450613,"sku":"BKKX-M630431","price":101.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630431_Fro.jpg?v=1775148242","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630431-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}