Dorman H620823 Brake Hydraulic Hose - Front Left

Reliable Brake Hydraulic Hose for Buick, Chevrolet, GMC, Isuzu, and Saab

The Dorman H620823 brake hydraulic hose is engineered to provide dependable brake fluid transfer for select Buick, Chevrolet, GMC, Isuzu, and Saab models. Designed as a flexible hose with durable materials, it ensures consistent braking performance and safety.

• Compatible with Buick 9-7x, Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy, Envoy XL, Rainier, Isuzu Ascender, and Saab models
• Constructed with EPDM rubber hose material and a black rubber outer sleeve for durability
• Includes stamped steel bracket and gaskets for secure mounting and sealing
• Features treated steel banjo fitting (End 1) and treated steel junction fitting (End 2)
• Overall length of 22.5 inches with 21.38 inches axis length for precise fitment
• Equipped with a protective jacket and bracket for added hose protection

Durable Construction and Precise Fitment

The Dorman H620823 brake hydraulic hose is designed with EPDM rubber, 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. The hose includes a stamped steel bracket and gaskets to ensure a secure and leak-free installation. Both ends feature treated steel fittings: a 10 mm banjo fitting on one end and a 1/2 in-20 junction fitting on the other, providing reliable connections within the brake system. The overall length of 22.5 inches and included mounting bracket make this hose a direct replacement for compatible Buick, Chevrolet, GMC, Isuzu, and Saab vehicles.

Compatible Vehicle Applications

This brake hydraulic hose is specifically compatible with the following models:

• Buick 9-7x
• Chevrolet Trailblazer and Trailblazer EXT
• GMC Envoy and Envoy XL
• GMC Rainier
• Isuzu Ascender
• Saab (specific models)

Common Brake System Issues Addressed

• Brake fluid leaks due to worn or damaged hoses
• Reduced brake responsiveness from deteriorated hose material
• Corrosion or damage to fittings causing brake failure risk
• Vibration or hose movement due to missing or damaged brackets
• Seal failures leading to fluid contamination or pressure loss

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning installation
• Replace gaskets included with the hose to maintain a proper seal
• Inspect mounting bracket and hardware for damage; replace if necessary
• Bleed the brake system thoroughly after installation to remove air
• Verify hose routing matches original to avoid kinks or interference

Quality Assurance and Warranty

Dorman manufactures the H620823 brake hydraulic hose to meet or exceed OEM specifications for fit, form, and function. The use of treated steel fittings and EPDM rubber ensures durability and resistance to common brake system contaminants. This part includes a gasket and bracket to facilitate proper installation. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship.