{"product_id":"dorman-h620857-brake-hydraulic-hose","title":"Dorman H620857 Brake Hydraulic Hose - Rear Left, Rear Left Inner, Rear Right or Rear Right Inner","description":"\u003ch2\u003eReliable Brake Hydraulic Hose for BMW Models\u003c\/h2\u003e\u003cp\u003eThe Dorman H620857 brake hydraulic hose is designed to provide dependable brake fluid transfer for various BMW vehicles. Engineered with durable materials, this flexible brake hose ensures consistent performance and safety for your braking system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 128i, 135i, 135is, 325i, 328i, 328i xDrive, 328xi, 330i, 335d, 335i, 335is, 335i xDrive, 335xi, M3, and X1 models\u003c\/li\u003e\n\u003cli\u003eConstructed with EPDM rubber hose material and a black rubber outer sleeve for flexibility and durability\u003c\/li\u003e\n\u003cli\u003eEquipped with treated steel female fittings on both ends (M10 x 1.0 thread diameter)\u003c\/li\u003e\n\u003cli\u003eOverall length of 8.12 inches for precise fitment\u003c\/li\u003e\n\u003cli\u003eIncludes one brake hydraulic hose without mounting hardware, brackets, or gaskets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Construction and Design Features\u003c\/h2\u003e\u003cp\u003eThis Dorman brake hydraulic hose (part number H620857) features a flexible EPDM rubber hose core that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds protection against abrasion and environmental factors. Both ends are fitted with treated steel female connectors, ensuring secure and corrosion-resistant connections to your vehicle's brake system. With an overall length of 8.12 inches, this hose is designed to match the original equipment specifications for a range of BMW models, including the 3 Series and X1.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or cracked brake hydraulic hoses causing brake fluid leaks\u003c\/li\u003e\n\u003cli\u003eRestores proper brake fluid pressure and pedal feel\u003c\/li\u003e\n\u003cli\u003ePrevents brake system failure due to hose deterioration\u003c\/li\u003e\n\u003cli\u003eEliminates spongy or soft brake pedal symptoms\u003c\/li\u003e\n\u003cli\u003eEnsures safe and reliable braking performance on BMW 128i, 335i, M3, and other compatible models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman H620857 brake hydraulic hose, ensure the brake system is properly bled to remove air pockets. Use appropriate tools to avoid damaging the treated steel fittings. Since mounting hardware and brackets are not included, reuse existing components or source compatible parts as needed. Verify hose routing matches OEM specifications to prevent kinks or interference with suspension components.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman brake hydraulic hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The H620857 part undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your replacement brake hose.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43783696974005,"sku":"BKKX-H620857","price":33.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_H620857_Fro.jpg?v=1774996612","url":"https:\/\/www.partcatalog.com\/products\/dorman-h620857-brake-hydraulic-hose","provider":"PartCatalog","version":"1.0","type":"link"}