{"product_id":"dorman-m390291-brake-master-cylinder","title":"Dorman M390291 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Toyota Avalon and Camry\u003c\/h2\u003e\u003cp\u003eThe Dorman M390291 Brake Master Cylinder is engineered to restore proper brake hydraulics for Toyota Avalon and Camry 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: 1 inch for optimal fluid control\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\u003cli\u003eSecondary outlet thread diameter of 10 mm\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M390291 brake master cylinder is designed specifically for Toyota Avalon and Camry vehicles, providing a precise fit and reliable performance. Its 1-inch bore diameter allows for effective brake fluid displacement, while the aluminum construction offers strength and resistance to corrosion. The included reservoir simplifies installation and maintenance by providing an integrated brake fluid container. Additionally, the built-in sensor helps monitor brake system conditions, enhancing safety and diagnostics. The master cylinder features two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, and a secondary outlet with a 10 mm thread diameter, ensuring compatibility with the vehicle’s brake lines.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake fluid pressure for consistent braking response\u003c\/li\u003e\n\u003cli\u003eReplaces leaking or damaged master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eAddresses brake pedal sinking or sponginess due to internal seal failure\u003c\/li\u003e\n\u003cli\u003eResolves brake warning light activation related to sensor issues\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system reliability in Toyota Avalon and Camry models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M390291 master cylinder requires careful attention to brake line connections and proper bleeding of the brake system to remove air. Since mounting hardware is not included, retain original hardware or source compatible fasteners. Verify thread sizes—M10 x 1.0 for the rearward outlet and 10 mm for the secondary outlet—to ensure proper fitment. It is recommended to inspect brake lines and related components during installation for any signs of wear or damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M390291 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to long-term durability and reliable operation. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792146792629,"sku":"BKKX-M390291","price":70.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390291_Fro.jpg?v=1774997566","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390291-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}