{"product_id":"dorman-m390158-brake-master-cylinder","title":"Dorman M390158 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder Replacement for Your Vehicle\u003c\/h2\u003e\u003cp\u003eThe Dorman M390158 Brake Master Cylinder is engineered to restore proper brake hydraulics performance in compatible vehicles. Designed with precision, this master cylinder includes a reservoir and sensor to ensure accurate brake fluid management and system monitoring.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter of 1.313 inches for consistent hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eDurable aluminum construction for corrosion resistance and longevity\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for integrated brake fluid level monitoring\u003c\/li\u003e\n\u003cli\u003eThree outlets with specific thread sizes: rearward outlet 9\/16-18 \u0026amp; 3\/8-24, secondary outlet 7\/16-24\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder assembly ready for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M390158 brake master cylinder is crafted from aluminum, providing a lightweight yet robust component that resists corrosion and wear. Its 1.313-inch bore diameter is designed to deliver precise hydraulic pressure to the brake system, ensuring responsive braking performance. This master cylinder comes equipped with a reservoir to hold brake fluid and a sensor to monitor fluid levels, which helps maintain system safety and alerts drivers to potential issues. Featuring three outlets with specific thread sizes, it supports proper brake line connections for reliable fluid distribution.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicle Applications and Common Uses\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is suitable for various vehicle makes and models requiring a 1.313-inch bore diameter and the specified outlet thread sizes. It is commonly used to address issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to master cylinder wear\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks around the master cylinder area\u003c\/li\u003e\n\u003cli\u003eInconsistent brake pressure affecting stopping performance\u003c\/li\u003e\n\u003cli\u003eWarning lights triggered by faulty brake fluid level sensors\u003c\/li\u003e\n\u003cli\u003eReplacement during brake system overhauls or upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman M390158 master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify compatibility with your vehicle’s brake line fittings, especially the rearward and secondary outlet thread sizes. Although mounting hardware is not included, use the existing hardware or source appropriate fasteners to secure the unit. Follow manufacturer torque specifications to avoid damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable operation over time. Please refer to Dorman’s warranty policy for specific coverage details on the M390158 part number.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51915816206517,"sku":"BKKX-M390158","price":109.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390158_Fro.jpg?v=1774997552","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390158-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}