{"product_id":"dorman-m39423-brake-master-cylinder","title":"Dorman M39423 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Toyota Corolla\u003c\/h2\u003e\u003cp\u003eThe Dorman M39423 brake master cylinder is engineered to restore proper brake hydraulics for Toyota Corolla models. Designed with durable cast iron and an included reservoir, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.813 inches for precise hydraulic control\u003c\/li\u003e\n\u003cli\u003eConstructed from cast iron for strength and durability\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid storage\u003c\/li\u003e\n\u003cli\u003eTwo outlets with rearward outlet size M10 x 1.0 and 10mm secondary outlet thread diameter\u003c\/li\u003e\n\u003cli\u003eThread pitch of 1.0 for secure fitting\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 M39423 brake master cylinder is specifically designed for Toyota Corolla vehicles, providing a direct replacement for the original part. Its 0.813-inch bore diameter allows for accurate brake fluid displacement, essential for maintaining proper brake pedal feel and stopping performance. The cast iron construction offers resistance to wear and corrosion, extending the service life of the component. This master cylinder includes a reservoir to hold brake fluid, eliminating the need for a separate purchase. It features two outlets with a rearward outlet size of M10 x 1.0 and a secondary outlet thread diameter of 10mm, both with a thread pitch of 1.0, 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 in Toyota Corolla brake systems\u003c\/li\u003e\n\u003cli\u003eReplaces leaking or damaged master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eFixes spongy or unresponsive brake pedal issues\u003c\/li\u003e\n\u003cli\u003eAddresses brake failure symptoms due to internal cylinder wear\u003c\/li\u003e\n\u003cli\u003eResolves contamination or corrosion-related brake hydraulic problems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M39423 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal brake performance. Since mounting hardware is not included, retain or source the necessary bolts and fittings from the original assembly or aftermarket suppliers. Verify thread sizes and pitch before installation to ensure compatibility with existing brake lines. It is recommended to inspect related brake components during installation for wear or damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M39423 brake master cylinder to meet or exceed OEM specifications for Toyota Corolla vehicles. The cast iron material and precise machining contribute to reliable performance and durability. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789336772789,"sku":"BKKX-M39423","price":74.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39423_Fro.jpg?v=1774997470","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39423-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}