{"product_id":"dorman-m39996-brake-master-cylinder","title":"Dorman M39996 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder M39996\u003c\/h2\u003e\u003cp\u003eThe Dorman Brake Master Cylinder M39996 is designed specifically for Toyota 4Runner, Land Cruiser, Pickup, and T100 models. This cast iron master cylinder includes a reservoir and sensor, providing reliable brake hydraulics performance for your vehicle.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Toyota 4Runner, Land Cruiser, Pickup, and T100\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1 inch\u003c\/li\u003e\n\u003cli\u003eConstructed from durable cast iron material\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for enhanced functionality\u003c\/li\u003e\n\u003cli\u003eTwo outlets with secondary outlet thread diameter of 10 mm\u003c\/li\u003e\n\u003cli\u003eRearward outlet size: M10 x 1.0 with 1.0 thread pitch\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M39996 brake master cylinder is engineered to meet the specific hydraulic requirements of select Toyota trucks and SUVs. Its cast iron construction ensures durability and resistance to wear under demanding braking conditions. The included reservoir allows for proper brake fluid storage, while the integrated sensor supports brake system monitoring. Featuring a 1-inch bore diameter and two outlets, this master cylinder facilitates efficient brake fluid distribution. The secondary outlet thread diameter of 10 mm and rearward outlet size of M10 x 1.0 with a 1.0 thread pitch provide precise fitment and secure connections within the brake hydraulic system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake fluid pressure in Toyota 4Runner, Land Cruiser, Pickup, and T100 models\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake pedal sponginess\u003c\/li\u003e\n\u003cli\u003eSolves brake fluid reservoir leaks or sensor malfunctions\u003c\/li\u003e\n\u003cli\u003eAddresses brake system failures related to hydraulic pressure loss\u003c\/li\u003e\n\u003cli\u003eImproves overall brake responsiveness and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your Toyota model before installation\u003c\/li\u003e\n\u003cli\u003eBrake fluid must be properly bled after installation to remove air from the system\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; retain original hardware or source separately\u003c\/li\u003e\n\u003cli\u003eHandle the sensor connection carefully to avoid damage\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for torque specifications and installation procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman brake master cylinders are manufactured to meet or exceed OEM standards for fit, form, and function. The M39996 part undergoes rigorous quality control to ensure reliable performance in Toyota 4Runner, Land Cruiser, Pickup, and T100 vehicles. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789375832245,"sku":"BKKX-M39996","price":92.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39996_Fro.jpg?v=1774997516","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39996-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}