Dorman H620109 Brake Hydraulic Hose - Rear Left, Rear Left Outer, Rear Right or Rear Right Outer

Reliable Brake Hydraulic Hose for BMW 5 Series

The Dorman H620109 brake hydraulic hose is designed to provide dependable brake fluid transfer for BMW 525i, 528i, 530i, 540i, and M5 models. Engineered with durable materials, this flexible hose ensures consistent braking performance under various driving conditions.

• Compatible with BMW 525i, 528i, 530i, 540i, and M5 models
• Overall length of 12.6 inches for precise fitment
• Constructed with EPDM rubber hose material and black rubber outer sleeve
• Ends feature treated steel fittings: male (End 1) and female (End 2)
• End 1 thread diameter: 10 mm; End 2 fitting inside diameter: M10 x 1.0
• Flexible hose design for reliable brake fluid flow
• Mounting hardware, brackets, and seals not included

Durable Construction and Design Details

This Dorman brake hydraulic hose (part number H620109) is built with an EPDM rubber hose core, known for its resistance to heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds 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 to the brake system. The hose’s 12.6-inch length is tailored for direct replacement on compatible BMW 5 Series vehicles, maintaining factory specifications.

Applications and Common Issues Addressed

• Replacement of worn or cracked brake hydraulic hoses on BMW 525i, 528i, 530i, 540i, and M5
• Resolving brake fluid leaks caused by damaged or deteriorated hoses
• Restoring proper brake pressure and pedal feel
• Preventing brake system failure due to hose swelling or rupture
• Maintaining safe and reliable braking performance

Installation Notes and Tips

When installing the Dorman H620109 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, avoiding contamination of the brake fluid system. Use appropriate tools to disconnect the treated steel fittings, noting the male and female ends for correct orientation. Bleed the brake system thoroughly after installation to remove air and restore proper brake function. This hose does not include mounting hardware or brackets, so reuse existing components or source replacements as needed.

Quality Assurance and Warranty Information

Dorman manufactures this brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of EPDM rubber and treated steel fittings supports durability and corrosion resistance. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty terms.