Dorman H620757 Brake Hydraulic Hose - Front Left

Reliable Brake Hydraulic Hose for Pontiac Grand Prix

The Dorman H620757 brake hydraulic hose is designed specifically for Pontiac Grand Prix models, providing a durable and flexible connection within your vehicle's braking system. Engineered with quality materials, this hose ensures consistent brake fluid flow and reliable performance.

• Compatible with Pontiac Grand Prix brake systems
• Flexible EPDM rubber hose with black outer sleeve
• Ends feature treated steel fittings: banjo and female types
• Includes necessary gaskets for secure sealing
• Overall length of 17.5 inches with 13.81-inch axis length

Durable Construction and Design Features

This Dorman brake hydraulic hose (part number H620757) features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds protection against abrasion and environmental factors. Both ends are equipped with treated steel fittings—one banjo fitting with a 10 mm thread diameter and one female fitting with an M10 x 1.0 inside diameter—ensuring a secure and leak-resistant connection. The package includes gaskets to maintain a proper seal during installation. Note that mounting hardware and brackets are not included.

Common Applications and Problem Solving

• Replaces worn or cracked brake hydraulic hoses on Pontiac Grand Prix
• Addresses brake fluid leaks caused by damaged hose fittings or seals
• Restores proper brake fluid pressure and pedal feel
• Prevents hose swelling or bursting under high brake system pressure
• Eliminates brake drag or uneven braking due to hose failure

Installation Notes and Tips

When installing the Dorman H620757 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, noting the routing and fitting types. Use the included gaskets to prevent leaks at the connection points. Avoid twisting or kinking the flexible hose during installation. Since mounting hardware and brackets are not included, reuse existing components or source compatible parts as needed. After installation, bleed the brake system thoroughly to remove air and verify proper brake function.

Quality Assurance and Warranty Information

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM specifications for fit, form, and function. The H620757 part undergoes rigorous quality control to ensure durability and safety in braking applications. This product includes a limited warranty against defects in material and workmanship, providing confidence in its long-term performance on your Pontiac Grand Prix.