{"product_id":"dorman-m630985-brake-master-cylinder","title":"Dorman M630985 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder Replacement for Your Vehicle\u003c\/h2\u003e\u003cp\u003eThe Dorman M630985 brake master cylinder is engineered to restore proper brake hydraulics performance in compatible vehicles. Designed with a durable cast iron construction and a removable reservoir, this master cylinder ensures consistent braking pressure and fluid management.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron master cylinder material for durability\u003c\/li\u003e\n\u003cli\u003eIncludes a removable reservoir for easy maintenance\u003c\/li\u003e\n\u003cli\u003e1.75-inch bore diameter for precise hydraulic control\u003c\/li\u003e\n\u003cli\u003eFour mounting holes for secure installation\u003c\/li\u003e\n\u003cli\u003eTwo outlets with rearward outlet size of 9\/16-18 and secondary outlet thread diameter of 0.5 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M630985 brake master cylinder features a 1.75-inch bore diameter, which is critical for maintaining proper hydraulic pressure in the brake system. Constructed from cast iron, this master cylinder offers strength and resistance to wear over time. It includes a removable reservoir, allowing for straightforward brake fluid inspection and replacement. The unit has four mounting holes to ensure a secure fit, and it provides two outlets to connect with the brake lines, including a rearward outlet sized at 9\/16-18 and a secondary outlet with a 0.5-inch thread diameter. This part does not include mounting hardware, brake booster, push rod, bleeder hoses, sensors, or a mounting bracket.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pressure loss due to worn or leaking master cylinder\u003c\/li\u003e\n\u003cli\u003eEliminates spongy or unresponsive brake pedal feel\u003c\/li\u003e\n\u003cli\u003eResolves brake fluid leaks from the reservoir or cylinder body\u003c\/li\u003e\n\u003cli\u003eAddresses brake system failure caused by internal seal damage\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system reliability and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman M630985 brake master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify that the mounting surface is clean and free of debris before securing the unit with the four mounting holes. Since mounting hardware is not included, use the original or appropriate replacement bolts. Check compatibility with your specific vehicle make and model to confirm fitment. The removable reservoir facilitates fluid inspection during installation and maintenance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M630985 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction provides long-lasting durability under normal operating conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52089080807605,"sku":"BKKX-M630985","price":236.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630985_Fro.jpg?v=1775148264","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630985-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}