{"product_id":"dorman-m39971-brake-master-cylinder","title":"Dorman M39971 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Acura Legend, RL, and TL\u003c\/h2\u003e\u003cp\u003eThe Dorman M39971 brake master cylinder is engineered to restore proper brake hydraulics in Acura Legend, RL, and TL models. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1 inch for optimal fluid displacement\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material for corrosion resistance\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 M12 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\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M39971 brake master cylinder is specifically designed for Acura Legend, RL, and TL vehicles, providing a direct replacement for the original equipment part. Its 1-inch bore diameter allows for precise brake fluid control, while the aluminum construction offers durability and resistance to corrosion. The included reservoir simplifies installation and maintenance by housing the brake fluid securely. Additionally, the integrated sensor helps maintain system integrity by providing real-time feedback on brake fluid levels or pressure. The master cylinder features two outlets, including a rearward outlet sized M12 x 1.0 and a secondary outlet with a 10 mm thread diameter, both with a 1.0 thread pitch to ensure compatibility with factory brake lines.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake fluid pressure in Acura Legend, RL, and TL brake systems\u003c\/li\u003e\n\u003cli\u003eReplaces leaking or damaged master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eAddresses spongy or unresponsive brake pedal issues\u003c\/li\u003e\n\u003cli\u003eResolves sensor-related brake warning light activations\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system reliability and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M39971 brake master cylinder requires basic mechanical skills and proper brake system knowledge. Since mounting hardware is not included, retain original fasteners or acquire compatible hardware before installation. Ensure all brake lines are properly connected to the two outlets, matching the rearward outlet size M12 x 1.0 and secondary outlet thread diameter 10 mm. Bleed the brake system thoroughly after installation to remove air and restore optimal brake pedal feel. Verify sensor connections to maintain accurate brake system monitoring.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M39971 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to long-term reliability. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use conditions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789371506869,"sku":"BKKX-M39971","price":101.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39971_Fro_a9d7b9a8-1718-4ae9-bb8d-82013dd7c763.jpg?v=1774997514","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39971-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}