Dorman H620770 Brake Hydraulic Hose - Rear Right or Rear Right Outer

Reliable Brake Hydraulic Hose for Select GM Trucks and SUVs

The Dorman H620770 brake hydraulic hose is engineered to provide dependable brake fluid transfer for various Chevrolet, GMC, and Cadillac models. Designed as a flexible hose with treated steel fittings, it ensures secure connections and consistent braking performance.

• Compatible with Chevrolet Avalanche, Silverado 1500, Suburban 1500, Tahoe
• Fits GMC Sierra 1500, Sierra 1500 Limited, Yukon, Yukon XL 1500
• Also fits Cadillac Escalade, Escalade ESV, Escalade EXT, and Chevrolet Cheyenne
• Durable EPDM rubber hose with black rubber outer sleeve
• Includes gaskets for proper sealing
• End 1: 10 mm banjo fitting made of treated steel
• End 2: Female fitting with M10 x 1.0 inside diameter, treated steel
• Overall length: 16.5 inches; Axis 1 length: 15.5 inches

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose 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 exposure. Both ends are equipped with treated steel fittings—one banjo type and one female type—ensuring a secure and leak-resistant connection. The included gaskets help maintain a proper seal during installation. With an overall length of 16.5 inches, this hose is designed to match the original equipment specifications for a range of GM trucks and SUVs.

Applications and Common Issues Addressed

• Replacement for worn or cracked brake hydraulic hoses
• Resolves brake fluid leaks caused by damaged fittings or hose material
• Prevents brake pressure loss due to hose deterioration
• Restores proper brake function on Chevrolet Silverado 1500 and GMC Sierra 1500
• Ensures safe braking performance on Cadillac Escalade and Chevrolet Tahoe models

Installation Notes and Tips

Installation requires proper brake system bleeding to remove air after hose replacement. The Dorman H620770 does not include mounting hardware or brackets, so reuse existing components or source separately if needed. Ensure the banjo fitting and female fitting are tightened to manufacturer torque specifications to avoid leaks. Inspect the brake line routing to prevent kinks or contact with moving parts.

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The H620770 part number undergoes rigorous quality control to ensure durability and reliability. This product includes gaskets for sealing and is backed by Dorman's limited warranty against defects in material and workmanship.