Dorman H620817 Brake Hydraulic Hose - Rear Left Inner

Reliable Brake Hydraulic Hose for Hummer H3

The Dorman H620817 brake hydraulic hose is designed specifically for the Hummer H3, providing a dependable connection within your vehicle's braking system. Engineered with durable materials, this flexible brake hose ensures consistent performance and safety under various driving conditions.

• Compatible with Hummer H3 models
• Overall length of 12.63 inches for precise fitment
• Constructed with EPDM rubber hose material and black rubber outer sleeve
• Both ends feature treated steel female fittings with M10 x 1.0 thread diameter
• Flexible hose design for reliable brake fluid transfer

Durable Construction and Design Features

This Dorman brake hydraulic hose (part number H620817) is built with an EPDM rubber hose core, known for its resistance to 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 treated steel female fittings, ensuring corrosion resistance and secure connections. The fittings have a 10 mm thread diameter (M10 x 1.0), matching factory specifications for the Hummer H3. This flexible hose design accommodates vehicle movement and suspension travel without compromising brake fluid integrity.

Applications and Common Issues Addressed

• Replacement for worn or cracked brake hydraulic hoses on Hummer H3
• Solves brake fluid leaks caused by damaged or deteriorated hoses
• Restores proper brake pressure and pedal feel
• Prevents brake system failure due to hose swelling or bursting
• Maintains safe braking performance under normal and demanding conditions

Installation Notes and Tips

When installing the Dorman H620817 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 new hose's length and fittings match the original equipment. Use appropriate tools to tighten the treated steel female fittings to the manufacturer's torque specifications. After installation, bleed the brake system thoroughly to remove air and restore proper brake function.

Quality Assurance and Warranty

Dorman manufactures this 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 specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship, supporting reliable performance for your Hummer H3.