{"product_id":"dorman-m390550-brake-master-cylinder","title":"Dorman M390550 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Honda Civic\u003c\/h2\u003e\u003cp\u003eThe Dorman M390550 brake master cylinder is engineered to restore proper brake hydraulics for Honda Civic models. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Honda Civic models\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.938 inches\u003c\/li\u003e\n\u003cli\u003eDurable aluminum construction\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for accurate fluid management\u003c\/li\u003e\n\u003cli\u003eTwo outlets with rearward outlet size M10 x 1.0 and secondary outlet thread diameter 10 mm\u003c\/li\u003e\n\u003cli\u003eThread pitch of 1.0 for secure fitting\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M390550 brake master cylinder is crafted from aluminum, providing a lightweight yet durable component for your Honda Civic's brake hydraulics system. The master cylinder features a bore diameter of 0.938 inches, which is critical for maintaining proper hydraulic pressure. It comes equipped with a reservoir to hold brake fluid and a sensor to monitor fluid levels, helping to maintain safe braking conditions. The unit has two outlets, including a rearward outlet sized M10 x 1.0 and a secondary outlet with a 10 mm thread diameter, both with a thread pitch of 1.0 to ensure a secure and leak-free connection.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pressure and pedal feel in Honda Civic brake systems\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eAddresses brake warning light issues related to sensor failure\u003c\/li\u003e\n\u003cli\u003eFixes spongy or unresponsive brake pedal performance\u003c\/li\u003e\n\u003cli\u003ePrevents brake system contamination with included reservoir\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M390550 brake master cylinder requires proper brake fluid handling and bleeding procedures to avoid air in the brake lines. Since mounting hardware is not included, ensure you have the necessary bolts and fittings compatible with your Honda Civic. Verify thread sizes and pitch before installation to guarantee a proper fit. It is recommended to inspect brake lines and related components during replacement to maintain overall system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M390550 brake master cylinder to meet or exceed OEM specifications for Honda Civic brake hydraulics. The aluminum construction and integrated sensor contribute to reliable performance and durability. While mounting hardware is not included, the product undergoes quality checks to ensure fit and function. Please refer to Dorman's warranty policy for coverage details on this part.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792204890293,"sku":"BKKX-M390550","price":125.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390550_Fro.jpg?v=1774997595","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390550-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}