{"product_id":"dorman-m39489-brake-master-cylinder","title":"Dorman M39489 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder for Mazda RX-7\u003c\/h2\u003e\u003cp\u003eThe Dorman M39489 brake master cylinder is designed specifically for Mazda RX-7 models, providing reliable brake hydraulics performance. This cast iron master cylinder includes a reservoir and sensor, ensuring compatibility and functionality for your vehicle's braking system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.813 inches\u003c\/li\u003e\n\u003cli\u003eConstructed from durable cast iron material\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid\u003c\/li\u003e\n\u003cli\u003eEquipped with a sensor for system monitoring\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports with rearward outlet size M10 x 1.0 thread pitch\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter: 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\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M39489 brake master cylinder is engineered to meet the specifications required for Mazda RX-7 brake hydraulics. Its 0.813-inch bore diameter ensures proper hydraulic pressure for effective braking. Made from cast iron, this master cylinder offers strength and durability under demanding conditions. The included reservoir allows for proper brake fluid storage and circulation, while the integrated sensor supports brake system diagnostics and safety features. Featuring two outlets with a rearward outlet size of M10 x 1.0 and a secondary outlet thread diameter of 10 mm, this part is designed to fit precisely and function reliably within the RX-7's brake system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake fluid pressure and pedal feel\u003c\/li\u003e\n\u003cli\u003eReplaces leaking or damaged master cylinders\u003c\/li\u003e\n\u003cli\u003eResolves brake warning light issues related to sensor failure\u003c\/li\u003e\n\u003cli\u003eAddresses brake fluid reservoir leaks or cracks\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system responsiveness and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M39489 brake master cylinder requires careful attention to brake system bleeding procedures to avoid air in the lines. Note that mounting hardware is not included, so existing hardware should be inspected and replaced if necessary. Ensure the sensor connector is properly attached to maintain brake system monitoring functions. Compatibility is specific to Mazda RX-7 models; verify fitment before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and integrated sensor contribute to long-term reliability. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics components. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789341393077,"sku":"BKKX-M39489","price":117.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39489_Fro.jpg?v=1774997475","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39489-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}