Dorman H380539 Brake Hydraulic Hose - Rear Left or Rear Right

Reliable Brake Hydraulic Hose for Lexus LS400

The Dorman H380539 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 EPDM rubber hose material for durability
• Black outer sleeve made of rubber for protection
• Treated steel fittings: banjo type on one end, female on the other
• Includes gaskets for proper sealing
• Overall length of 15.25 inches for precise fitment

Durable Construction and Design Features

This Dorman brake hydraulic hose (part number H380539) features a flexible EPDM rubber hose that resists heat, ozone, and wear, ensuring long-lasting service life. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. Both ends are equipped with treated steel fittings—one banjo fitting with a 10 mm thread diameter and one female fitting with an M10 x 1.0 inside diameter—providing secure and leak-resistant connections. The included gaskets help maintain a tight seal, preventing brake fluid leaks and maintaining system integrity.

Applications and Common Issues Addressed

• Replacement for worn or cracked brake hydraulic hoses on Lexus LS400
• Solves brake fluid leaks caused by damaged hose fittings or seals
• Restores proper brake pressure and pedal feel
• Prevents hose swelling or bursting under high pressure
• Addresses hose deterioration from heat and environmental exposure

Installation Notes and Tips

When installing the Dorman H380539 brake hydraulic hose, ensure all old hose components and fittings are fully removed. Use the included gaskets to achieve a proper seal at both fitting ends. Avoid twisting or kinking the hose during installation to maintain flexibility and prevent premature failure. Verify the hose length and fitting types match your Lexus LS400 specifications before installation.

Quality Assurance and Warranty

Dorman manufactures this brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of treated steel fittings and EPDM rubber materials ensures 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 materials and workmanship.