{"product_id":"dorman-m630277-brake-master-cylinder","title":"Dorman M630277 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder Replacement for Your Vehicle\u003c\/h2\u003e\u003cp\u003eThe Dorman M630277 brake master cylinder is engineered to restore proper brake hydraulics performance in compatible vehicles. Designed with a durable cast iron construction and a 2-inch bore diameter, this master cylinder ensures consistent braking pressure and fluid control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron master cylinder material for durability and strength\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid management\u003c\/li\u003e\n\u003cli\u003e2-inch bore diameter for precise hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eTwo outlets with secondary outlet thread diameter of 0.5 inches\u003c\/li\u003e\n\u003cli\u003eRearward outlet size of 9\/16-18 for secure brake line connections\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M630277 brake master cylinder is a critical component in the brake hydraulics system, designed to convert pedal force into hydraulic pressure. Its cast iron construction provides long-lasting durability under demanding conditions. The included reservoir allows for proper brake fluid storage and circulation, essential for maintaining consistent braking performance. With a 2-inch bore diameter, this master cylinder delivers reliable pressure to the brake lines through its two outlets, including a secondary outlet with a 0.5-inch thread diameter and a rearward outlet sized at 9\/16-18. This part is compatible with various vehicle makes and models requiring these specifications, making it a practical replacement option for restoring brake system functionality.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pedal firmness and responsiveness\u003c\/li\u003e\n\u003cli\u003eEliminates brake fluid leaks from a worn or damaged master cylinder\u003c\/li\u003e\n\u003cli\u003eResolves inconsistent brake pressure and spongy pedal feel\u003c\/li\u003e\n\u003cli\u003eReplaces master cylinders with corroded or cracked cast iron bodies\u003c\/li\u003e\n\u003cli\u003eAddresses brake system failure due to reservoir damage or fluid contamination\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman M630277 master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify compatibility with your vehicle’s brake line fittings, especially the 9\/16-18 rearward outlet size and secondary outlet thread diameter of 0.5 inches. Since mounting hardware is not included, retain or source the necessary components for secure installation. Follow manufacturer torque specifications to avoid damage to the master cylinder or brake lines.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M630277 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and integrated reservoir are tested for durability and performance under typical operating conditions. While specific warranty details may vary, Dorman products generally include a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51915818008757,"sku":"BKKX-M630277","price":369.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630277_Fro.jpg?v=1774997647","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630277-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}