{"product_id":"dorman-m630455-brake-master-cylinder","title":"Dorman M630455 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Honda Civic\u003c\/h2\u003e\u003cp\u003eThe Dorman M630455 brake master cylinder is designed specifically for Honda Civic models, providing precise hydraulic control for your vehicle's braking system. Crafted from durable aluminum, this master cylinder ensures consistent performance and longevity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Honda Civic models\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.75 inches\u003c\/li\u003e\n\u003cli\u003eConstructed from lightweight aluminum material\u003c\/li\u003e\n\u003cli\u003eIncludes two outlets with rearward outlet size M10 x 1.0\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter of 10 mm with 1.0 thread pitch\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; reservoir and mounting hardware not included\u003c\/li\u003e\n\u003cli\u003ePart number M630455 for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder (part number M630455) features a 0.75-inch bore diameter, which is critical for maintaining proper hydraulic pressure in the brake system of your Honda Civic. The aluminum construction offers corrosion resistance and reduces overall weight compared to traditional cast iron units. It includes two outlets, allowing for effective fluid distribution, with a rearward outlet size of M10 x 1.0 and a secondary outlet thread diameter of 10 mm, both with a 1.0 thread pitch. Note that this unit does not come with a reservoir or mounting hardware, so those components must be sourced separately if needed.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or leaking brake master cylinders in Honda Civic vehicles\u003c\/li\u003e\n\u003cli\u003eAddresses issues with inconsistent brake pedal feel or sponginess\u003c\/li\u003e\n\u003cli\u003eResolves hydraulic fluid leaks that compromise braking performance\u003c\/li\u003e\n\u003cli\u003eRestores proper brake pressure for safe and reliable stopping power\u003c\/li\u003e\n\u003cli\u003eEliminates brake system failure caused by internal cylinder wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman M630455 brake master cylinder, ensure the brake fluid reservoir is compatible and properly connected, as this unit does not include a reservoir. Verify that the mounting hardware is suitable for your specific Honda Civic model since it is not included. Bleed the brake system thoroughly after installation to remove any air and restore optimal hydraulic pressure. Use the correct thread pitch (1.0) for outlet fittings to avoid leaks or damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM specifications for Honda Civic vehicles. The aluminum construction provides durability and resistance to corrosion. While mounting hardware and reservoir are not included, the master cylinder itself is backed by Dorman's quality standards. Please refer to Dorman's official warranty policy for coverage details related to this part number M630455.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792284156085,"sku":"BKKX-M630455","price":100.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630455_Fro.jpg?v=1774997684","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630455-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}