{"product_id":"dorman-m39780-brake-master-cylinder","title":"Dorman M39780 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder M39780\u003c\/h2\u003e\u003cp\u003eThe Dorman Brake Master Cylinder M39780 is designed specifically for Honda Civic, Civic del Sol, and CRX models. This brake hydraulics component features an aluminum construction and includes a reservoir and sensor to ensure reliable brake system performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Honda Civic, Civic del Sol, and CRX\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.813 inches\u003c\/li\u003e\n\u003cli\u003eDurable aluminum master cylinder material\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for integrated functionality\u003c\/li\u003e\n\u003cli\u003eTwo outlets 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 M39780 brake master cylinder is engineered to meet the specifications required by Honda Civic, Civic del Sol, and CRX vehicles. Constructed from aluminum, this master cylinder offers corrosion resistance and strength necessary for consistent brake fluid pressure. The included reservoir allows for proper fluid storage and monitoring, while the integrated sensor supports brake system diagnostics. With a bore diameter of 0.813 inches and two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, this part ensures compatibility with the vehicle’s brake hydraulics system. The secondary outlet thread diameter of 10 mm further supports proper brake line connections.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake fluid pressure in Honda Civic, Civic del Sol, and CRX models\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 brake system failures related to master cylinder bore wear\u003c\/li\u003e\n\u003cli\u003eImproves brake responsiveness and safety by ensuring hydraulic integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure brake system is fully depressurized before removal\u003c\/li\u003e\n\u003cli\u003eBleed brake lines thoroughly after installation to remove air\u003c\/li\u003e\n\u003cli\u003eVerify sensor connections are secure for proper brake system monitoring\u003c\/li\u003e\n\u003cli\u003eUse compatible brake fluid as specified by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; reuse existing hardware or source separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman brake master cylinders are manufactured to meet or exceed OEM standards for fit, form, and function. The M39780 part undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789349716149,"sku":"BKKX-M39780","price":67.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39780_Fro.jpg?v=1774997500","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39780-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}