Dorman H77863 Brake Hydraulic Hose - Rear Left or Rear Right

Reliable Brake Hydraulic Hose for Lexus LS400

The Dorman H77863 brake hydraulic hose is designed specifically for the Lexus LS400, providing a durable and flexible solution for your vehicle's braking system. Engineered with quality materials, this brake hose ensures consistent performance and safety under various driving conditions.

• Compatible with Lexus LS400 models
• Flexible hose constructed from EPDM rubber for durability
• Black outer sleeve made of rubber for protection
• Ends feature treated steel fittings: male (M10 x 1.0) and female (M10 x 1.0)
• Overall length of 15.5 inches with 14.62 inches axis length
• Mounting hardware, brackets, and seals not included

Durable Construction and Precise Fitment

The Dorman H77863 brake hydraulic hose is built with an EPDM rubber hose material that offers resistance to heat, ozone, and brake fluid, ensuring long-lasting service life. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. Both ends of the hose are equipped with treated steel fittings—male on one end and female on the other—each with an M10 x 1.0 thread diameter, providing a secure and leak-free connection. With an overall length of 15.5 inches, this flexible hose is designed to meet the exact specifications required for the Lexus LS400 brake system.

Applications and Problem Resolution

• Replaces worn or cracked brake hydraulic hoses on Lexus LS400
• Addresses brake fluid leaks caused by damaged or deteriorated hoses
• Restores proper brake pressure and pedal feel
• Prevents brake system failure due to hose degradation
• Ensures safe and reliable braking performance

Installation Notes and Tips

When installing the Dorman H77863 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, avoiding contamination of the brake system. Use appropriate tools to disconnect the treated steel fittings, and verify the thread size matches the M10 x 1.0 specification. Since mounting hardware and brackets are not included, reuse existing components if they are in good condition or source replacements separately. After installation, bleed the brake system thoroughly to remove air and verify there are no leaks before driving.

Quality Assurance and Warranty

Dorman manufactures the H77863 brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of EPDM rubber and treated steel fittings ensures durability and resistance to common brake system stresses. While mounting hardware and seals are not included, the hose itself is backed by Dorman's quality control processes. Please refer to Dorman's official warranty policy for specific coverage details.