Dorman H620772 Brake Hydraulic Hose - Rear Left Inner

Reliable Brake Hydraulic Hose for Chevrolet and GMC Vehicles

The Dorman H620772 brake hydraulic hose is designed to provide dependable brake fluid transfer for Chevrolet Suburban 1500 and GMC Yukon XL 1500 models. Engineered with durable materials, this flexible brake hose ensures consistent performance under demanding conditions.

• Compatible with Chevrolet Suburban 1500 and GMC Yukon XL 1500
• Overall length of 13 inches for precise fitment
• Constructed with EPDM rubber hose material and black rubber outer sleeve
• Both ends feature treated steel female fittings for secure connections
• End 1 thread diameter: 7/16 in-24; End 2 fitting inside diameter: 3/8 in-24
• Flexible hose design allows for effective brake fluid flow and movement
• Mounting hardware, brackets, gaskets, or seals are not included

Durable Construction and Design Features

This Dorman brake hydraulic hose (part number H620772) 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 a secure, leak-free connection. The flexible hose design accommodates vehicle suspension and steering movements without compromising brake system integrity.

Applications and Common Issues Addressed

This brake hydraulic hose is specifically designed for use on Chevrolet Suburban 1500 and GMC Yukon XL 1500 models, providing a direct replacement for worn or damaged brake lines. It helps resolve issues such as:

• Brake fluid leaks caused by cracked or deteriorated hoses
• Reduced brake responsiveness due to hose swelling or internal damage
• Corrosion or damage to original fittings affecting brake line integrity
• Hose failure from exposure to heat and road contaminants

Installation Notes and Tips

When installing the Dorman H620772 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 (7/16 in-24 on one end and 3/8 in-24 on the other) match the vehicle’s brake line fittings. Use proper brake fluid and bleed the brake system thoroughly after installation to remove air and maintain optimal braking performance. Note that mounting hardware, brackets, and seals are not included and may need to be reused or replaced separately.

Quality Assurance and Warranty Information

Dorman manufactures this brake hydraulic hose to meet or exceed OEM specifications for fit, form, and function. The treated steel fittings and EPDM rubber hose material are selected for durability and resistance to common brake system stresses. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to ensure customer confidence in product reliability.