Dorman H620788 Brake Hydraulic Hose - Rear Left

Reliable Brake Hydraulic Hose for Buick, Chevrolet, and Pontiac

The Dorman H620788 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Buick, Chevrolet, and Pontiac models. Engineered with durable materials, this flexible brake hose ensures consistent performance and safety for your vehicle's braking system.

• Compatible with Buick Montana, Chevrolet Uplander, and Pontiac Terraza
• Constructed with EPDM rubber hose material and black rubber outer sleeve
• Features treated steel fittings: banjo fitting on one end and female fitting on the other
• Includes gaskets for secure sealing; mounting hardware and brackets not included
• Overall length of 15.75 inches with a 13.31-inch axis length for precise fitment

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620788) 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 your vehicle's brake system. The included gaskets help maintain a leak-free seal during installation.

Applications and Common Issues Addressed

• Replaces worn or cracked brake hydraulic hoses on Buick Montana, Chevrolet Uplander, and Pontiac Terraza
• Solves brake fluid leaks caused by damaged or deteriorated hoses
• Restores proper brake pressure and pedal feel
• Prevents brake system failure due to hose swelling or bursting
• Addresses hose damage from abrasion or environmental exposure

Installation Notes and Tips

• Ensure the vehicle is safely lifted and supported before beginning installation
• Use the included gaskets to prevent leaks at fitting connections
• Do not reuse old mounting hardware or brackets; new hardware is not included
• Check brake fluid levels and bleed the brake system after installation 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 EPDM rubber hose and treated steel fittings are designed for durability and corrosion resistance. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period. Always consult the warranty documentation for complete details.