Dorman H620821 Brake Hydraulic Hose - Rear Left Outer or Rear Right Outer

Reliable Brake Hydraulic Hose for Hummer H3 and H3T

The Dorman H620821 brake hydraulic hose is designed specifically for Hummer H3 and H3T models, 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 Hummer H3 and H3T models
• Flexible EPDM rubber hose with a black outer sleeve
• Ends feature treated steel fittings: banjo fitting on one end and female fitting on the other
• Includes necessary gaskets for proper sealing
• Overall length of 14.09 inches for precise fitment

Durable Construction and Material Details

This brake hydraulic hose features an EPDM rubber hose material known for its resistance to heat, ozone, and brake fluid, ensuring longevity and reliability. The outer sleeve is made of black rubber, providing additional protection against abrasion and environmental factors. Both ends of the hose are equipped with treated steel fittings—one banjo type with a 10 mm thread diameter and one female fitting with an M10 x 1.0 inside diameter—ensuring secure connections within the brake system. The package includes gaskets to maintain a proper seal and prevent leaks.

Applications and Problem Solving

This Dorman brake hose is designed to replace worn or damaged brake hydraulic hoses on Hummer H3 and H3T vehicles. It addresses several common issues:

• Brake fluid leaks caused by cracked or deteriorated hoses
• Reduced brake responsiveness due to hose swelling or internal damage
• Corrosion or damage to fittings compromising brake line integrity
• Vibration or noise from loose or damaged brake hoses
• Maintaining proper brake pressure for safe vehicle operation

Installation Notes and Tips

Installation of the Dorman H620821 brake hydraulic hose requires basic mechanical skills and proper tools. Ensure the vehicle is securely lifted and supported before beginning. When removing the old hose, take care to avoid contamination of the brake system. Use the included gaskets to ensure a leak-free connection at both fittings. After installation, bleed the brake system thoroughly to remove any air and verify proper brake function before driving.

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM specifications for fit, form, and function. The H620821 part undergoes rigorous quality control to ensure durability and safety. This product includes a gasket for sealing and is backed by Dorman's limited warranty, providing confidence in its performance and reliability for your Hummer H3 or H3T.