Dorman H620677 Brake Hydraulic Hose - Rear Left Outer or Rear Right Outer

Reliable Brake Hydraulic Hose for Pontiac GTO

The Dorman H620677 brake hydraulic hose is designed specifically for Pontiac GTO 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 Pontiac GTO brake systems
• Flexible hose constructed from EPDM rubber for durability
• Black outer sleeve made of rubber for protection
• Ends feature treated steel fittings: banjo type on one end and female on the other
• Includes necessary gaskets for proper sealing
• Overall length of 9.25 inches with a 6.75-inch axis length
• End 1 thread diameter: 10 mm; End 2 fitting inside diameter: M10 x 1.0

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620677) is built with an EPDM rubber hose material that offers excellent 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 fittings—banjo type on one end and female on the other—ensuring a secure and leak-free connection. The included gaskets help maintain a tight seal, preventing brake fluid leaks and maintaining system integrity. With an overall length of 9.25 inches and precise thread and fitting dimensions, this hose is engineered to fit Pontiac GTO brake systems accurately.

Common Applications and Problem Resolution

• Replaces worn or cracked brake hydraulic hoses on Pontiac GTO
• Solves brake fluid leaks caused by damaged fittings or seals
• Restores proper brake pressure and pedal feel
• Prevents hose swelling or bursting under high pressure
• Addresses corrosion issues on steel fittings

Installation Notes and Tips

When installing the Dorman H620677 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, noting the routing and connection points. Use the included gaskets to ensure a proper seal at both fittings. Avoid twisting or kinking the hose during installation to maintain flexibility and prevent premature wear. 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, ensuring reliable performance and safety. The H620677 part is backed by Dorman's quality standards and includes a gasket for proper sealing. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman's official documentation for complete warranty information.