Dorman H620830 Brake Hydraulic Hose - Rear Left

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

The Dorman H620830 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 Enclave, Chevrolet Acadia, Acadia Limited, GMC Acadia, GMC Terrain, Saturn Outlook, and Chevrolet Traverse
• 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 connection
• Overall length of 15.25 inches with a 14.17-inch axis length for precise fitment

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620830) 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 and reliable connection to the brake system. The included gaskets help maintain a tight seal, preventing leaks and maintaining brake system integrity.

Compatible Vehicle Applications

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

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

Using the correct brake hydraulic hose like the Dorman H620830 ensures proper brake fluid flow and system safety for these models.

Common Brake System Issues Addressed

• Brake fluid leaks caused by cracked or worn hoses
• Reduced braking efficiency due to hose swelling or damage
• Corrosion or damage to fittings leading to fluid loss
• Brake pedal softness or sponginess from hose failure
• Preventative replacement to maintain brake system reliability

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning brake work
• Use the included gaskets to prevent leaks at fitting connections
• Inspect surrounding brake components for wear or damage during installation
• Bleed the brake system thoroughly after hose replacement to remove air
• Verify hose routing matches original 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 normal operating conditions. This part includes a gasket for proper sealing and is backed by Dorman's limited warranty against defects in material and workmanship.