Dorman H620774 Brake Hydraulic Hose - Rear Right

Reliable Brake Hydraulic Hose for Chevrolet and GMC Vans

The Dorman H620774 brake hydraulic hose is designed specifically for Chevrolet Express 3500 and GMC Savana 3500 models. This flexible brake hose ensures consistent brake fluid delivery and reliable performance under demanding conditions.

• Compatible with Chevrolet Express 3500 and GMC Savana 3500
• Durable black EPDM rubber hose material
• Plastic outer sleeve with protective jacket included
• Treated steel fittings: banjo fitting on one end, female fitting on the other
• Includes gaskets for secure sealing
• Overall length of 17.5 inches with 16.5-inch axis length

Durable Construction and Precise Fit

This Dorman brake hydraulic hose (part number H620774) features a flexible EPDM rubber hose core that resists heat, ozone, and brake fluid degradation. The black plastic outer sleeve and included jacket provide additional protection against abrasion and environmental damage. Both ends are equipped with treated steel fittings—one banjo fitting with a 10 mm thread diameter and one female fitting with an M12 x 1.0 inside diameter—ensuring a secure and leak-free connection. The package includes necessary gaskets to maintain proper sealing during installation. This hose is designed without mounting hardware or brackets, so it is intended to replace the hose only.

Compatible Vehicles and Applications

This brake hydraulic hose is compatible with the following vehicles:

• Chevrolet Express 3500
• GMC Savana 3500

It is engineered to meet the specific brake system requirements of these full-size vans, providing reliable brake fluid transfer and maintaining system integrity.

Common Issues Addressed by This Brake Hose

• Cracked or leaking brake hoses causing brake fluid loss
• Swollen or deteriorated hose material reducing brake responsiveness
• Corroded or damaged fittings leading to brake fluid leaks
• Brake hose failure due to abrasion or environmental exposure
• Replacement of worn or aged brake hydraulic hoses to maintain safety

Installation Notes and Tips

• Ensure the brake system is depressurized before removing the old hose
• Use the included gaskets to prevent leaks at fitting connections
• Verify the hose length and fitting types match the original equipment
• Inspect surrounding brake components for wear or damage during installation
• Bleed the brake system thoroughly after hose replacement to remove air

Quality Assurance and Warranty

Dorman manufactures this brake hydraulic hose to meet or exceed OEM specifications for durability and performance. The use of treated steel fittings and EPDM rubber hose material ensures resistance to corrosion and brake fluid exposure. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.