{"product_id":"dorman-m390034-brake-master-cylinder","title":"Dorman M390034 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder for Mazda Miata\u003c\/h2\u003e\u003cp\u003eThe Dorman M390034 brake master cylinder is designed specifically for Mazda Miata models, providing reliable brake hydraulics performance. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure proper brake system function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mazda Miata vehicles\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.875 inches\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for integrated brake system monitoring\u003c\/li\u003e\n\u003cli\u003eThree outlet ports with rearward outlet size M10 x 1.0 and thread pitch 1.0\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter of 10 mm\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 M390034 brake master cylinder is engineered to meet the hydraulic braking needs of Mazda Miata vehicles. Its aluminum body offers corrosion resistance and strength, ensuring long-term durability under demanding conditions. The 0.875-inch bore diameter is designed to provide consistent hydraulic pressure for effective braking response. This master cylinder comes with an integrated reservoir to hold brake fluid and a sensor to monitor fluid levels or pressure, enhancing safety and maintenance awareness.\u003c\/p\u003e\u003cp\u003eFeaturing three outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch and a secondary outlet thread diameter of 10 mm, this part supports complex brake line configurations typical in Mazda Miata brake systems. Note that mounting hardware is not included, so ensure you have the necessary components for installation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake fluid pressure in Mazda Miata brake systems\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 inconsistent braking performance due to master cylinder wear\u003c\/li\u003e\n\u003cli\u003eSupports brake system upgrades requiring precise hydraulic control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your specific Mazda Miata model year before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air pockets\u003c\/li\u003e\n\u003cli\u003eUse appropriate brake fluid as specified by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eCheck all outlet connections for proper thread engagement and sealing\u003c\/li\u003e\n\u003cli\u003eEnsure the sensor is correctly connected to the vehicle’s monitoring system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M390034 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable brake system operation. While specific warranty details should be confirmed at the point of purchase, Dorman typically offers limited warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792094363829,"sku":"BKKX-M390034","price":106.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390034_Fro.jpg?v=1774997542","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390034-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}