Dorman H381344 Brake Hydraulic Hose - Front Left

Reliable Brake Hydraulic Hose for Chevrolet, GMC, Isuzu, and Oldsmobile

The Dorman H381344 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Chevrolet, GMC, Isuzu, and Oldsmobile models. Engineered with durable materials and precise fittings, this flexible brake hose ensures consistent braking performance and safety.

• Compatible with Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, Oldsmobile Bravada, Chevrolet S10, and GMC Sonoma
• Overall length of 19.5 inches for exact fitment
• Flexible EPDM rubber hose with a black rubber outer sleeve
• Stamped steel bracket included for secure mounting
• Includes gaskets for proper sealing
• End fittings made of treated steel: banjo fitting on one end and female fitting on the other
• End 1 thread diameter: 10 mm; End 2 fitting inside diameter: 7/16 in-24

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H381344) features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental exposure. The hose includes a stamped steel bracket for secure attachment to the vehicle chassis, ensuring stability during operation. Both ends are equipped with treated steel fittings—one banjo type and one female type—designed to match OEM specifications for a reliable, leak-free connection. The package also contains gaskets to maintain a proper seal and prevent fluid leaks.

Compatible Vehicles and Applications

This brake hydraulic hose is specifically compatible with the following vehicles:

• Chevrolet Blazer
• GMC Jimmy
• Isuzu Hombre
• Oldsmobile Bravada
• Chevrolet S10
• GMC Sonoma

It is intended for use in the brake hydraulic system to transfer brake fluid from the master cylinder to the brake calipers or wheel cylinders, enabling effective braking response.

Common Issues Addressed by This Brake Hose

• Cracked or leaking brake hoses causing brake fluid loss
• Swollen or deteriorated hose material reducing braking efficiency
• Corroded or damaged fittings leading to fluid leaks
• Loose or missing mounting brackets causing hose movement and wear
• Improper hose length or fitment resulting in brake line stress

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning installation
• Replace gaskets included in the package to maintain a proper seal
• Check the banjo and female fittings for correct orientation and torque specifications
• 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 standards 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.