Dorman H620778 Brake Hydraulic Hose - Front Right

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

The Dorman H620778 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Buick, Chevrolet, GMC, and Saturn models. Engineered with durable materials, this flexible hose ensures consistent braking performance and safety.

• Compatible with Buick Acadia, Acadia Limited, Chevrolet Traverse, GMC Acadia, Saturn Outlook, and Enclave models
• Constructed with EPDM rubber hose material and a black rubber outer sleeve for durability
• Features treated steel fittings: banjo fitting on one end and female fitting on the other
• Includes gaskets for a secure, leak-free installation
• Overall length of 17 inches with a 14.56-inch axis length for precise fitment

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620778) is built 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. Both ends feature treated steel fittings—one banjo type with a 10 mm thread diameter and one female fitting with an M10 x 1.0 inside diameter—ensuring a secure connection to the brake system. The included gaskets help maintain a tight seal, preventing fluid leaks and maintaining brake system integrity.

Compatible Vehicle Applications

This brake hose is specifically designed for use with the following vehicles:

• Buick Acadia and Acadia Limited
• Chevrolet Traverse
• GMC Acadia
• Saturn Outlook
• Enclave

Using the correct brake hydraulic hose like the Dorman H620778 ensures proper brake fluid flow and system reliability for these models.

Common Brake System Issues Addressed

• Leaking or cracked brake hoses causing fluid loss
• Swollen or deteriorated hose material reducing braking efficiency
• Corroded or damaged fittings leading to brake fluid leaks
• Brake pedal softness or sponginess due to hose failure
• Brake fluid contamination from compromised hose integrity

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning installation
• Replace the brake hose with the Dorman H620778 along with the included gaskets to maintain a proper seal
• Do not reuse old mounting hardware or brackets as they are not included
• Bleed the brake system thoroughly after installation to remove air and restore proper brake function
• Verify hose routing matches original equipment to avoid kinks or interference

Quality Assurance and Warranty

Dorman manufactures this brake hydraulic hose to meet or exceed OEM specifications for fit, form, and function. The use of treated steel fittings and EPDM rubber materials supports long-term durability under typical operating conditions. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period. Refer to Dorman's warranty documentation for complete details.