Dorman H381228 Brake Hydraulic Hose - Rear Left

Reliable Dorman Brake Hydraulic Hose for Precise Stopping

The Dorman H381228 brake hydraulic hose offers a durable and flexible solution for maintaining your vehicle's braking system. Designed with quality materials, this hose ensures consistent brake fluid flow and reliable performance for various automotive applications.

• Black EPDM rubber outer sleeve for flexibility and durability
• 12-inch overall length suitable for specific brake line replacements
• Male treated steel fitting on one end and female treated steel fitting on the other
• End 1 thread diameter of 10 mm and End 2 fitting inside diameter M10 x 1.0
• Flexible hose design to accommodate vehicle movement and vibration
• Mounting hardware, brackets, and gaskets not included

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H381228) features an EPDM rubber hose material known for its resistance to heat, ozone, and brake fluid degradation. The black rubber outer sleeve provides additional protection against abrasion and environmental factors. Both ends are equipped with treated steel fittings—male on one end and female on the other—ensuring secure connections within the brake system. The 12-inch length and specific thread sizes (10 mm male thread and M10 x 1.0 female fitting) make it compatible with select vehicle models requiring this exact specification.

Common Applications and Problem Resolution

This brake hydraulic hose is typically used to replace worn or damaged brake lines that can cause issues such as:

• Brake fluid leaks leading to reduced braking efficiency
• Swollen or cracked hoses causing brake pressure loss
• Corroded or damaged fittings resulting in unsafe brake operation
• Vibration-induced hose fatigue affecting brake responsiveness
• Incompatibility with original equipment due to improper hose length or fitting type

Installation Notes and Tips

When installing the Dorman H381228 brake hydraulic hose, ensure the following:

• Verify compatibility with your vehicle’s make and model by checking thread sizes and hose length
• Use proper brake line wrenches to avoid damaging fittings during removal and installation
• Bleed the brake system thoroughly after installation to remove air and maintain brake performance
• Inspect surrounding components for wear or damage while replacing the hose
• Do not reuse mounting hardware or brackets if they are worn or damaged, as this hose does not include these parts

Quality Assurance and Warranty Information

Dorman manufactures the H381228 brake hydraulic hose to meet or exceed industry standards for safety and durability. The EPDM rubber and treated steel fittings provide long-lasting service life under normal operating conditions. While mounting hardware and brackets are not included, the hose is designed for straightforward replacement in compatible vehicles. Please refer to Dorman’s warranty policy for specific coverage details related to this part.