Dorman H620455 Brake Hydraulic Hose - Rear Left Inner

Reliable Brake Hydraulic Hose for Hummer H2

The Dorman H620455 brake hydraulic hose is designed specifically for the Hummer H2, 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 demanding conditions.

• Compatible with Hummer H2 models
• Overall length of 18 inches for precise fitment
• Flexible EPDM rubber hose material for durability and resistance
• Black outer sleeve made of rubber for protection against wear
• Female treated steel fittings on both ends for secure connections
• End 1 thread diameter: 3/8 in-24; End 2 fitting inside diameter: 7/16 in-24
• No mounting hardware, bracket, gasket, or jacket included

Durable Construction and Design Features

This Dorman brake hydraulic hose (part number H620455) features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. Both ends of the hose are equipped with female treated steel fittings, ensuring corrosion resistance and a secure, leak-free connection. With an overall length of 18 inches, this hose is tailored to meet the exact specifications required for the Hummer H2 brake system.

Applications and Problem Resolution

This brake hydraulic hose is intended for use in the hydraulic brake system of the Hummer H2. It addresses several common issues, including:

• Replacement of worn or cracked brake hoses to maintain braking efficiency
• Elimination of brake fluid leaks caused by damaged fittings or hose material
• Restoration of proper brake pressure and pedal feel
• Prevention of hose swelling or bursting under high pressure
• Ensuring compliance with vehicle safety standards

Installation Notes and Tips

When installing the Dorman H620455 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, avoiding contamination of the brake system. Verify that the thread sizes (3/8 in-24 on one end and 7/16 in-24 on the other) match the vehicle fittings. Use appropriate brake line wrenches to avoid damage to the fittings. After installation, bleed the brake system thoroughly to remove air and verify there are no leaks before driving.

Quality Assurance and Warranty

Dorman manufactures this brake hydraulic hose to meet or exceed OEM specifications for the Hummer H2. The use of treated steel fittings and EPDM rubber hose material ensures durability and resistance to corrosion and brake fluid. While mounting hardware and brackets are not included, the hose is designed for direct replacement. Dorman typically offers a limited warranty on their brake components; please refer to the product packaging or Dorman's official documentation for specific warranty details.