Dorman H620831 Brake Hydraulic Hose - Front Left

Reliable Brake Hydraulic Hose for Buick and Cadillac Models

The Dorman H620831 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Buick and Cadillac vehicles. Engineered with durable materials and precise fittings, this brake hose ensures consistent performance and safety for your braking system.

• Compatible with Buick Lucerne and Cadillac DTS models
• Flexible EPDM rubber hose with a black plastic outer sleeve
• Includes stamped steel bracket and gaskets for secure installation
• End fittings made of treated steel: banjo fitting on one end and female fitting on the other
• Overall length of 17.75 inches with a 15.75-inch axis length

Durable Construction and Design Features

This Dorman brake hydraulic hose (part number H620831) features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. The black plastic outer sleeve protects the hose from abrasion and environmental damage. The hose includes a stamped steel bracket for mounting stability and gaskets to ensure a leak-free seal. Both ends are equipped with treated steel fittings: a 10 mm banjo fitting on one end and a female fitting with an M10 x 1.0 inside diameter on the other, providing secure connections within the brake system.

Applications and Problem Resolution

This brake hose is specifically designed for use in the following vehicles:

• Buick Lucerne brake hydraulic hose replacement
• Cadillac DTS brake line repair

It addresses common brake system issues such as:

• Cracked or leaking brake hoses causing fluid loss
• Swollen or deteriorated hose material reducing braking efficiency
• Corroded or damaged fittings leading to brake fluid leaks
• Loose or missing mounting brackets causing hose movement and wear

Installation Notes and Tips

When installing the Dorman H620831 brake hydraulic hose, ensure the following:

• Use the included stamped steel bracket and gaskets for proper mounting and sealing
• Verify the hose length and fitting types match your vehicle’s specifications
• Inspect brake lines and fittings for corrosion or damage before installation
• Bleed the brake system thoroughly after installation to remove air

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The H620831 part undergoes rigorous quality control to ensure durability and reliability in demanding brake system applications. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.