Dorman H79339 Brake Hydraulic Hose - Front Left or Front Right

Durable Brake Hydraulic Hose for Chevrolet and GMC Vehicles

The Dorman H79339 brake hydraulic hose is designed to provide reliable brake fluid transfer for select Chevrolet and GMC models. Engineered with quality materials, this flexible brake hose ensures consistent performance and safety for your vehicle's braking system.

• Compatible with Chevrolet Blazer, Jimmy, K5 Blazer, K10, K10 Suburban, K20, and K20 Suburban
• Constructed with EPDM rubber hose material and a black PVC outer sleeve for durability
• Includes gaskets for a secure, leak-free connection
• Features treated steel banjo fittings on one end and male/female fittings on the other
• Overall length of 20.35 inches with a flexible design for easy routing
• Jacket included to protect the hose from abrasion and environmental damage

Product Details and Specifications

The Dorman H79339 brake hydraulic hose is a flexible hose designed to replace worn or damaged brake lines on compatible Chevrolet and GMC trucks and SUVs. The hose is made from EPDM rubber, known for its resistance to heat, ozone, and brake fluid, ensuring long-lasting service. The black PVC outer sleeve adds an extra layer of protection against wear and environmental factors. This hose measures 20.35 inches in overall length, with an axis length of 19.17 inches, making it suitable for the specified vehicle models.

Both ends of the hose feature treated steel fittings for corrosion resistance and durability. One end has a banjo fitting with a 0.438-inch thread diameter, while the other end includes male and female fittings with inside diameters of 5/8 in-18 external and 3/8 in-24 internal threads. The package includes necessary gaskets to ensure a proper seal during installation. Note that mounting hardware and brackets are not included.

Compatible Vehicles and Applications

• Chevrolet Blazer
• Chevrolet Jimmy
• Chevrolet K5 Blazer
• Chevrolet K10 and K10 Suburban
• Chevrolet K20 and K20 Suburban
• GMC models equivalent to the above Chevrolet vehicles

Common Issues Addressed by This Brake Hose

• Brake fluid leaks due to cracked or worn hoses
• Reduced brake responsiveness caused by damaged hydraulic lines
• Swelling or bulging of old brake hoses under pressure
• Corrosion or damage to fittings leading to brake system failure
• Hose abrasion or external damage compromising brake fluid integrity

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning installation
• Use the included gaskets to prevent leaks at fitting connections
• Do not reuse old mounting hardware or brackets; replace if necessary
• Bleed the brake system thoroughly after installation to remove air
• Inspect all brake components for wear or damage during replacement

Quality Assurance and Warranty Information

Dorman manufactures the H79339 brake hydraulic hose to meet or exceed OEM specifications for fit, form, and function. The use of treated steel fittings and EPDM rubber hose material ensures durability and resistance to common brake system contaminants. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.