{"product_id":"dorman-m630459-brake-master-cylinder","title":"Dorman M630459 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Nissan Frontier, Pathfinder, and Xterra\u003c\/h2\u003e\u003cp\u003eThe Dorman M630459 Brake Master Cylinder is engineered to restore proper brake hydraulics for Nissan Frontier, Pathfinder, and Xterra models. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman M630459 Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter of 1 inch for optimal fluid displacement\u003c\/li\u003e\n\u003cli\u003eDurable aluminum construction for corrosion resistance and longevity\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for integrated brake system monitoring\u003c\/li\u003e\n\u003cli\u003eFour outlets with M12 x 1.0 thread pitch for secure brake line connections\u003c\/li\u003e\n\u003cli\u003eCompatible with Nissan Frontier, Pathfinder, and Xterra vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder (part number M630459) is crafted from aluminum, providing a lightweight yet robust component that resists corrosion and wear. The 1-inch bore diameter is designed to deliver precise hydraulic pressure to the brake system, ensuring consistent pedal feel and braking performance. The included reservoir allows for proper brake fluid storage, while the integrated sensor supports vehicle brake system diagnostics. Featuring four outlets with standardized M12 x 1.0 threads, this master cylinder facilitates secure and leak-free connections to the brake lines. It is specifically engineered for use in Nissan Frontier, Pathfinder, and Xterra models, making it a direct replacement part that meets OEM specifications.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake fluid pressure in Nissan Frontier, Pathfinder, and Xterra vehicles\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake pedal sponginess\u003c\/li\u003e\n\u003cli\u003eSolves brake fluid reservoir leaks or sensor malfunctions\u003c\/li\u003e\n\u003cli\u003eAddresses brake system failures related to hydraulic pressure loss\u003c\/li\u003e\n\u003cli\u003eImproves brake responsiveness and safety on compatible Nissan models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure brake system is properly bled after installation to remove air\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with Nissan Frontier, Pathfinder, or Xterra model year before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate brake fluid as specified by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and fittings for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eSensor connection should be securely attached to maintain brake system monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable performance and durability. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Always consult product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52089074614453,"sku":"BKKX-M630459","price":111.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630459_Fro.jpg?v=1775148243","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630459-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}