{"product_id":"dorman-h621291-brake-hydraulic-hose","title":"Dorman H621291 Brake Hydraulic Hose - Rear Left Outer or Rear Right Outer","description":"\u003ch2\u003eReliable Brake Hydraulic Hose for Audi A8 Quattro\u003c\/h2\u003e\u003cp\u003eThe Dorman H621291 brake hydraulic hose is designed specifically for the Audi A8 Quattro, providing a durable and flexible connection within the vehicle's braking system. Engineered with quality materials, this hose ensures consistent brake fluid flow and reliable performance under various driving conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Audi A8 Quattro models\u003c\/li\u003e\n\u003cli\u003eOverall length of 8.66 inches for precise fitment\u003c\/li\u003e\n\u003cli\u003eFlexible hose constructed from EPDM rubber for durability\u003c\/li\u003e\n\u003cli\u003eBlack outer sleeve made of rubber with protective jacket included\u003c\/li\u003e\n\u003cli\u003eEnds feature treated steel fittings: male (End 1) and female (End 2)\u003c\/li\u003e\n\u003cli\u003eEnd 1 thread diameter: 10 mm; End 2 fitting inside diameter: M10 x 1.0\u003c\/li\u003e\n\u003cli\u003eNo mounting hardware, brackets, or gaskets included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Construction and Material Details\u003c\/h2\u003e\u003cp\u003eThis brake hydraulic hose features an EPDM rubber hose material known for its resistance to heat, ozone, and brake fluid degradation. The black rubber outer sleeve with an additional protective jacket enhances durability and protects against abrasion and environmental factors. Both ends are equipped with treated steel fittings—male on one end and female on the other—ensuring secure and leak-free connections within the brake system. The hose’s flexible design accommodates movement and vibration, maintaining brake line integrity over time.\u003c\/p\u003e\u003ch2\u003eApplication and Common Issues Addressed\u003c\/h2\u003e\u003cp\u003eThe Dorman H621291 brake hydraulic hose is intended for use in the hydraulic brake system of the Audi A8 Quattro. It replaces worn or damaged brake hoses to restore proper brake fluid flow and system pressure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents brake fluid leaks caused by cracked or deteriorated hoses\u003c\/li\u003e\n\u003cli\u003eEliminates spongy or unresponsive brake pedal feel due to hose failure\u003c\/li\u003e\n\u003cli\u003eResolves brake line swelling or bulging under pressure\u003c\/li\u003e\n\u003cli\u003eAddresses corrosion or damage to original steel fittings\u003c\/li\u003e\n\u003cli\u003eRestores safe and consistent braking performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman H621291 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, avoiding contamination of the brake fluid system. Verify that the male and female treated steel fittings align correctly with the brake line connections. After installation, bleed the brake system thoroughly to remove air and confirm proper brake pedal feel. Use appropriate tools to avoid damaging the fittings or hose during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake hydraulic hose to meet or exceed OEM specifications for fit, form, and function. The use of EPDM rubber and treated steel fittings supports long-term durability and resistance to common brake system stresses. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship, ensuring confidence in replacement parts for the Audi A8 Quattro.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43783954628789,"sku":"BKKX-H621291","price":28.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_H621291_Fro.jpg?v=1774996728","url":"https:\/\/www.partcatalog.com\/products\/dorman-h621291-brake-hydraulic-hose","provider":"PartCatalog","version":"1.0","type":"link"}