Dorman H620047 Brake Hydraulic Hose - Front Left

Reliable Brake Hydraulic Hose for Buick, Chevrolet, GMC, and More

The Dorman H620047 brake hydraulic hose is engineered to provide dependable brake fluid transfer for select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Designed with durable materials and precise fittings, this flexible brake hose ensures consistent braking performance for vehicles like the Trailblazer, Envoy, and Ascender.

• Flexible EPDM rubber hose with a black PVC outer sleeve for durability
• Includes stamped steel bracket and gaskets for secure mounting
• Banjo fitting on one end and junction fitting on the other, both made of treated steel
• Overall length of 23.75 inches with a 20.75-inch axis length
• Compatible with multiple GM and related models including Buick Rainier and Chevrolet SSR

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620047) features a flexible EPDM rubber hose core that resists heat, ozone, and brake fluid degradation. The black PVC outer sleeve adds abrasion resistance, while the stamped steel bracket ensures stable mounting to the vehicle chassis. Both ends are equipped with treated steel fittings: a 10 mm banjo fitting on one end and a 1/2 in-20 junction fitting on the other, providing a secure and leak-resistant connection. The included gaskets help maintain a tight seal, reducing the risk of brake fluid leaks. This hose is designed specifically for select models such as the GMC Envoy XL, Isuzu Ascender, and Saab 9-7x, ensuring proper fit and function.

Compatible Vehicles and Applications

This brake hydraulic hose is compatible with the following makes and models:

• Buick Rainier
• Chevrolet SSR, Trailblazer, Trailblazer EXT
• GMC Envoy, Envoy XL, Envoy XUV
• Isuzu Ascender, Bravada
• Oldsmobile (specific models)
• Saab 9-7x

Common Issues Addressed by This Brake Hose

• Brake fluid leaks due to cracked or worn hoses
• Reduced brake responsiveness from damaged or swollen hoses
• Corrosion or damage to fittings causing fluid loss
• Vibration or noise from loose or improperly mounted hoses
• Brake failure risk from deteriorated hose materials

Installation Notes and Tips

When installing the Dorman H620047 brake hydraulic hose, ensure the following:

• Use the included gaskets to maintain a proper seal at both fittings
• Secure the stamped steel bracket firmly to prevent hose movement
• Check the hose routing to avoid contact with sharp edges or heat sources
• Bleed the brake system thoroughly after installation to remove air
• Verify compatibility with your specific vehicle model and year before installation

Quality Assurance and Warranty

Dorman manufactures this brake hydraulic hose to meet or exceed OEM specifications for durability and performance. The use of treated steel fittings and EPDM rubber hose material ensures resistance to corrosion and brake fluid exposure. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman's official warranty policy for complete information.