{"product_id":"dorman-m39859-brake-master-cylinder","title":"Dorman M39859 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Toyota Celica\u003c\/h2\u003e\u003cp\u003eThe Dorman M39859 Brake Master Cylinder is engineered to restore proper brake hydraulics for Toyota Celica models. Designed with precision, this master cylinder includes a reservoir and sensor to ensure optimal brake system performance.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman M39859 Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.938 inches for accurate hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for fluid storage and sensor for system monitoring\u003c\/li\u003e\n\u003cli\u003eTwo outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter of 10 mm\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder unit; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M39859 Brake Master Cylinder is specifically designed for Toyota Celica vehicles, providing a precise fit and reliable brake hydraulics function. Its aluminum construction offers strength and resistance to corrosion, extending the service life of the component. The included reservoir allows for proper brake fluid containment, while the integrated sensor supports brake system diagnostics and safety features. With a bore diameter of 0.938 inches and dual outlets, this master cylinder ensures consistent hydraulic pressure to the brake calipers or wheel cylinders. The rearward outlet size of M10 x 1.0 and a thread pitch of 1.0 facilitate secure connections within the brake system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pressure loss due to worn or damaged master cylinder\u003c\/li\u003e\n\u003cli\u003eEliminates brake fluid leaks from the master cylinder reservoir or outlets\u003c\/li\u003e\n\u003cli\u003eResolves brake pedal sinking or sponginess caused by internal seal failure\u003c\/li\u003e\n\u003cli\u003eSupports brake system sensor functionality for warning light accuracy\u003c\/li\u003e\n\u003cli\u003eReplaces corroded or cracked aluminum master cylinders in Toyota Celica models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Toyota Celica models; verify fitment before installation\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; reuse existing hardware or source separately\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and connections for leaks during installation\u003c\/li\u003e\n\u003cli\u003eHandle the sensor connection carefully to avoid damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M39859 Brake Master Cylinder to meet or exceed OEM specifications for Toyota Celica brake hydraulics. The aluminum construction and integrated sensor contribute to reliable performance and durability. While mounting hardware is not included, the product undergoes quality checks to ensure proper fit and function. Warranty coverage details should be confirmed through the product documentation or supplier.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789360103605,"sku":"BKKX-M39859","price":115.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39859_Fro.jpg?v=1774997507","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39859-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}