{"product_id":"dorman-m390323-brake-master-cylinder","title":"Dorman M390323 Brake Master Cylinder","description":"\u003ch2\u003eOverview of the Dorman Brake Master Cylinder for Honda Civic\u003c\/h2\u003e\u003cp\u003eThe Dorman M390323 brake master cylinder is designed specifically for Honda Civic models, providing reliable brake hydraulics performance. This aluminum master cylinder includes a reservoir and sensor, ensuring compatibility and functionality for your vehicle's braking system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Honda Civic models\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 operation\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports with rearward outlet size M10 x 1.0 and thread pitch 1.0\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter: 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 M390323 brake master cylinder is engineered to meet the specific hydraulic requirements of Honda Civic vehicles. Featuring a 0.875-inch bore diameter, this aluminum master cylinder offers corrosion resistance and strength for consistent brake fluid pressure. The included reservoir allows for proper fluid storage and monitoring, while the integrated sensor supports brake system diagnostics. With two outlets, including a rearward outlet sized M10 x 1.0 and a secondary outlet thread diameter of 10 mm, this master cylinder ensures proper fluid distribution within the brake system. The thread pitch of 1.0 facilitates secure connections to brake lines. Note that mounting hardware is not included, so existing hardware or separate purchase may be necessary.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake fluid pressure in Honda Civic brake systems\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake pedal sponginess\u003c\/li\u003e\n\u003cli\u003eResolves brake fluid leaks from damaged or corroded master cylinders\u003c\/li\u003e\n\u003cli\u003eSupports brake system sensor functionality for warning light accuracy\u003c\/li\u003e\n\u003cli\u003eAddresses inconsistent braking performance due to master cylinder failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Honda Civic brake systems; verify model year for exact fit\u003c\/li\u003e\n\u003cli\u003eEnsure brake fluid reservoir is properly filled and free of contaminants before installation\u003c\/li\u003e\n\u003cli\u003eBleed brake system thoroughly after installation to remove air pockets\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools for M10 x 1.0 threaded connections to avoid damage\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; retain original hardware or acquire suitable replacements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M390323 brake master cylinder to meet or exceed OEM specifications for Honda Civic vehicles. The aluminum construction provides durability and resistance to corrosion. This part includes a sensor and reservoir to maintain system integrity. While mounting hardware is not included, the product undergoes quality checks to ensure proper fit and function. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792153018549,"sku":"BKKX-M390323","price":103.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390323_Fro.jpg?v=1774997571","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390323-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}