Dorman H621709 Brake Hydraulic Hose - Rear Left or Rear Right

Overview of Dorman Brake Hydraulic Hose H621709

The Dorman brake hydraulic hose H621709 is designed specifically for BMW X3 and X4 models, providing reliable brake fluid transfer with durable construction. This flexible brake hose features treated steel fittings and a steel outer sleeve for enhanced strength and corrosion resistance.

• Compatible with BMW X3 and X4 models
• Flexible hose made from EPDM rubber for durability
• Steel outer sleeve for added protection
• Treated steel male and female fittings (M10 x 1.0 thread diameter)
• Overall length of 11.87 inches with included protective jacket
• Mounting hardware, brackets, and gaskets not included

Detailed Product Description

This Dorman brake hydraulic hose (part number H621709) is engineered to meet the specific requirements of BMW X3 and X4 vehicles. The hose is constructed from EPDM rubber, known for its resistance to heat, ozone, and brake fluid, ensuring long-lasting performance. The outer sleeve is made of steel, providing additional protection against abrasion and environmental damage. Both ends feature treated steel fittings with a male fitting on one end and a female fitting on the other, each with an M10 x 1.0 thread diameter to ensure a secure and leak-free connection. The hose includes a protective jacket to guard against wear and tear during operation.

Common Applications and Issues Addressed

• Replacement of worn or cracked brake hydraulic hoses
• Resolving brake fluid leaks caused by damaged fittings or hose material
• Restoring proper brake pressure and pedal feel
• Preventing brake failure due to hose deterioration
• Maintaining brake system integrity on BMW X3 and X4 models

Installation Notes and Tips

When installing the Dorman brake hydraulic hose H621709, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, noting the orientation of fittings. Use appropriate tools to avoid damaging the treated steel fittings during removal and installation. Since mounting hardware and brackets are not included, reuse existing components if they are in good condition or source replacements separately. After installation, bleed the brake system thoroughly to remove air and verify there are no leaks before driving.

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM specifications for fit, form, and function. The use of EPDM rubber and treated steel fittings ensures durability and resistance to corrosion and wear. While specific warranty details for part number H621709 are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.