{"product_id":"dorman-m390569-brake-master-cylinder","title":"Dorman M390569 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Ford, Lincoln, and Mercury Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman M390569 brake master cylinder is engineered to restore proper brake hydraulics in select Ford, Lincoln, and Mercury models. Designed specifically for the Crown Victoria, Grand Marquis, and Town Car, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman M390569 Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1 inch for precise hydraulic control\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for integrated brake fluid management\u003c\/li\u003e\n\u003cli\u003eEquipped with two outlets: rearward outlet size M10 x 1.0 and secondary outlet thread diameter M12 x 1.0\u003c\/li\u003e\n\u003cli\u003eThread pitch of 1.0 ensures secure and proper fitting\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder unit only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M390569 brake master cylinder is a direct replacement part designed to meet the specifications of the original equipment for Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models. Its aluminum construction offers enhanced durability and resistance to corrosion, which is critical for maintaining brake system integrity over time. The included reservoir and sensor facilitate accurate monitoring and fluid management, contributing to consistent brake performance. With two outlets featuring precise thread sizes (M10 x 1.0 rearward outlet and M12 x 1.0 secondary outlet), this master cylinder integrates seamlessly with the vehicle's brake hydraulic system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake fluid pressure for improved pedal feel and braking response\u003c\/li\u003e\n\u003cli\u003eReplaces leaking or damaged master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eResolves brake warning light activation related to sensor faults\u003c\/li\u003e\n\u003cli\u003eAddresses spongy or unresponsive brake pedal issues\u003c\/li\u003e\n\u003cli\u003eCorrects internal seal failures that lead to brake system inefficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Ford Crown Victoria, Lincoln Town Car, or Mercury Grand Marquis before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air pockets\u003c\/li\u003e\n\u003cli\u003eUse appropriate brake fluid as specified by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eVerify thread pitch and outlet sizes to match existing brake lines\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; retain original hardware or source separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M390569 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to long-term reliability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in product quality.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792204955829,"sku":"BKKX-M390569","price":115.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390569_Fro.jpg?v=1774997595","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390569-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}