{"product_id":"dorman-m39478-brake-master-cylinder","title":"Dorman M39478 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder M39478\u003c\/h2\u003e\u003cp\u003eThe Dorman Brake Master Cylinder M39478 is designed specifically for Toyota Land Cruiser models, providing reliable brake hydraulics performance. This cast iron master cylinder includes a reservoir and features a 0.875-inch bore diameter to ensure consistent braking pressure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Toyota Land Cruiser vehicles\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.875 inches\u003c\/li\u003e\n\u003cli\u003eDurable cast iron construction\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid\u003c\/li\u003e\n\u003cli\u003eFour outlet ports with M10 x 1.0 and 1\/8-20 NPT thread sizes\u003c\/li\u003e\n\u003cli\u003ePackage contains master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M39478 brake master cylinder is engineered to meet the hydraulic braking needs of Toyota Land Cruiser models. Constructed from cast iron, this master cylinder offers durability and resistance to wear under demanding conditions. The 0.875-inch bore diameter is designed to provide optimal hydraulic pressure for effective brake system operation. It includes a reservoir to hold brake fluid, ensuring proper fluid supply and system integrity. The unit features four outlets with rearward and secondary outlet thread sizes of M10 x 1.0 and 1\/8-20 NPT, allowing compatibility with various brake line fittings.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake pedal feel and responsiveness\u003c\/li\u003e\n\u003cli\u003eAddresses brake fluid leaks from a worn or damaged master cylinder\u003c\/li\u003e\n\u003cli\u003eEliminates spongy or inconsistent braking performance\u003c\/li\u003e\n\u003cli\u003eReplaces master cylinders with corroded or cracked cast iron bodies\u003c\/li\u003e\n\u003cli\u003eEnsures reliable brake fluid pressure distribution to all wheels\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Toyota Land Cruiser brake systems; verify vehicle year and specifications before installation\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; reuse existing hardware or source separately\u003c\/li\u003e\n\u003cli\u003eBleed brake system thoroughly after installation to remove air and ensure proper function\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and fittings for wear or damage during installation\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for outlet fittings and mounting bolts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M39478 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction provides long-lasting durability under normal operating conditions. While specific warranty details are not provided here, Dorman products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or Dorman directly for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789340803253,"sku":"BKKX-M39478","price":134.06,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39478_Fro.jpg?v=1774997474","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39478-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}