{"product_id":"dorman-m630780-brake-master-cylinder","title":"Dorman M630780 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder M630780\u003c\/h2\u003e\u003cp\u003eThe Dorman Brake Master Cylinder M630780 is designed specifically for Jeep Grand Cherokee models, providing reliable brake hydraulics performance. Crafted from durable aluminum, this master cylinder ensures consistent braking pressure and long-lasting operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1.063 inches\u003c\/li\u003e\n\u003cli\u003eConstructed from aluminum for strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes two outlets with M12 x 1.0 thread size\u003c\/li\u003e\n\u003cli\u003eRearward outlet and secondary outlet both sized M12 x 1.0\u003c\/li\u003e\n\u003cli\u003eDoes not include mounting hardware, reservoir, or sensor\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M630780 brake master cylinder is engineered to meet the specific hydraulic requirements of Jeep Grand Cherokee vehicles. Its 1.063-inch bore diameter is optimized for proper brake fluid displacement, ensuring effective pressure transfer to the brake calipers and wheel cylinders. Made from aluminum, the master cylinder offers a balance of lightweight design and resistance to corrosion, which is critical for maintaining brake system integrity over time.\u003c\/p\u003e\u003cp\u003eThis master cylinder features two outlets, both with M12 x 1.0 thread pitch, allowing for secure and leak-free connections to the brake lines. Note that this unit does not include a reservoir or sensor, so it is intended for applications where those components are either already installed or replaced separately. The absence of mounting hardware means that existing hardware should be reused or sourced independently during installation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or leaking brake master cylinders on Jeep Grand Cherokee models\u003c\/li\u003e\n\u003cli\u003eResolves issues with inconsistent brake pedal feel or reduced braking efficiency\u003c\/li\u003e\n\u003cli\u003eAddresses internal seal failure causing brake fluid leaks\u003c\/li\u003e\n\u003cli\u003eCorrects master cylinder bore wear that leads to pressure loss\u003c\/li\u003e\n\u003cli\u003eRestores proper hydraulic pressure for safe braking performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your specific Jeep Grand Cherokee year and brake system before installation\u003c\/li\u003e\n\u003cli\u003eReuse or replace mounting hardware as needed since it is not included\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air and ensure proper function\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and fittings for wear or damage during installation\u003c\/li\u003e\n\u003cli\u003eVerify that the reservoir and sensor components are properly connected if applicable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M630780 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides durability and corrosion resistance essential for brake system components. While specific warranty details should be confirmed at the point of purchase, Dorman typically offers limited warranties covering defects in materials and workmanship to ensure customer confidence in product reliability.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792383213749,"sku":"BKKX-M630780","price":115.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630780_Fro.jpg?v=1774997758","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630780-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}