{"product_id":"dorman-m390406-brake-master-cylinder","title":"Dorman M390406 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Honda Civic\u003c\/h2\u003e\u003cp\u003eThe Dorman M390406 Brake Master Cylinder is engineered to restore proper brake hydraulics for Honda Civic models. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter of 0.938 inches for accurate fluid displacement\u003c\/li\u003e\n\u003cli\u003eDurable aluminum construction for corrosion resistance and longevity\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid storage\u003c\/li\u003e\n\u003cli\u003eEquipped with a sensor to monitor brake system status\u003c\/li\u003e\n\u003cli\u003eTwo outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0 for secure connections\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder features a 0.938-inch bore diameter, which is critical for maintaining the correct hydraulic pressure in the brake system of your Honda Civic. The aluminum material offers a lightweight yet robust design that resists corrosion over time. The included reservoir allows for proper brake fluid containment, while the integrated sensor provides feedback to the vehicle’s brake monitoring system. With two outlets and a secondary outlet thread diameter of 10 mm, this master cylinder supports efficient fluid distribution to the brake lines. The rearward outlet size of M10 x 1.0 and thread pitch of 1.0 ensure compatibility with OEM brake fittings.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Honda Civic models requiring a 0.938-inch bore master cylinder\u003c\/li\u003e\n\u003cli\u003eIdeal replacement for brake master cylinder failures or leaks\u003c\/li\u003e\n\u003cli\u003eRestores brake pedal feel and hydraulic pressure consistency\u003c\/li\u003e\n\u003cli\u003eAddresses issues such as brake fluid leaks, spongy brake pedal, and brake warning light activation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M390406 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal performance. Verify thread sizes and outlet fittings match your vehicle’s brake lines before installation. Since mounting hardware is not included, retain original hardware or source compatible fasteners. Consult the vehicle’s service manual for torque specifications and sensor connection procedures.\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 and function. The aluminum construction and integrated sensor contribute to reliable brake system operation. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51915816534197,"sku":"BKKX-M390406","price":121.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390406_Fro.jpg?v=1774997584","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390406-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}