{"product_id":"dorman-m39591-brake-master-cylinder","title":"Dorman M39591 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Toyota Celica\u003c\/h2\u003e\u003cp\u003eThe Dorman M39591 Brake Master Cylinder is engineered to restore proper brake hydraulics for Toyota Celica models. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.938 inches for accurate fluid displacement\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid storage\u003c\/li\u003e\n\u003cli\u003eEquipped with a sensor to monitor brake system status\u003c\/li\u003e\n\u003cli\u003eTwo outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M39591 brake master cylinder features a 0.938-inch bore diameter, which is critical for maintaining the correct hydraulic pressure in the brake system of Toyota Celica vehicles. Its aluminum construction offers strength and resistance to corrosion, extending the service life of the component. This master cylinder comes with an integrated reservoir, allowing for proper brake fluid containment and circulation. Additionally, the included sensor provides feedback to the vehicle’s brake system, enhancing safety and performance. The unit has two outlets, with the secondary outlet thread diameter measuring 10 mm and a rearward outlet size of M10 x 1.0, ensuring compatibility with the brake lines on the Toyota Celica. The thread pitch of 1.0 further confirms proper fitment and secure connections.\u003c\/p\u003e\u003ch2\u003eCompatible Applications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or leaking brake master cylinders on Toyota Celica\u003c\/li\u003e\n\u003cli\u003eResolves brake pedal sinking or sponginess due to internal seal failure\u003c\/li\u003e\n\u003cli\u003eFixes brake fluid leaks from the master cylinder reservoir or outlets\u003c\/li\u003e\n\u003cli\u003eRestores proper brake fluid pressure for consistent braking performance\u003c\/li\u003e\n\u003cli\u003eAddresses brake warning light activation related to sensor faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman M39591 brake master cylinder on a Toyota Celica, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air pockets and verify that all connections, including the M10 x 1.0 threaded outlets, are securely tightened. Since mounting hardware is not included, retain original fasteners or source compatible hardware for installation. Verify sensor connections to maintain brake system monitoring functionality.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M39591 brake master cylinder to meet or exceed OEM specifications for Toyota Celica brake hydraulics. The aluminum construction and integrated sensor contribute to reliable operation under normal driving conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52089071796405,"sku":"BKKX-M39591","price":117.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39591_Fro.jpg?v=1775148228","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39591-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}