Dorman H621188 Brake Hydraulic Hose - Rear Center, Rear Left or Rear Right

Reliable Brake Hydraulic Hose for Mercedes-Benz R-Class Models

The Dorman H621188 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Mercedes-Benz vehicles. Engineered with durable materials, this flexible brake hose ensures consistent performance and safety for your R63 AMG, R320, R350, and R500 models.

Key Features of Dorman H621188 Brake Hose

• Constructed with EPDM rubber hose material for flexibility and resistance to heat and wear
• Black outer sleeve made of rubber for added protection
• Ends feature treated steel fittings: male fitting with 10 mm thread diameter and female fitting with M10 x 1.0 inside diameter
• Overall length of 25 inches to match factory specifications
• Flexible hose design to accommodate vehicle movement and brake system pressure
• Includes one brake hose per package; mounting hardware and brackets are not included

Detailed Product Description

The Dorman H621188 brake hydraulic hose is specifically engineered for compatibility with Mercedes-Benz R-Class models including the R63 AMG, R320, R350, and R500. Its EPDM rubber hose material offers excellent resistance to heat, ozone, and brake fluid, ensuring long-lasting durability. The black rubber outer sleeve provides additional protection against abrasion and environmental factors. Both ends of the hose are equipped with treated steel fittings—male on one end and female on the other—designed to meet OEM thread specifications (10 mm male thread and M10 x 1.0 female fitting) for a secure and leak-free connection. With an overall length of 25 inches, this flexible brake hose fits precisely within the brake system layout of the specified Mercedes-Benz models.

Common Applications and Issues Addressed

• Replacement of worn or cracked brake hydraulic hoses
• Resolving brake fluid leaks caused by damaged hose fittings or material degradation
• Restoring proper brake fluid pressure and pedal feel
• Preventing brake system failure due to hose rupture or swelling
• Maintaining brake system integrity for safe vehicle operation

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning brake hose replacement
• Carefully remove the old brake hose, noting the orientation and routing
• Verify that the new hose length and fittings match the original equipment
• Use appropriate tools to avoid damaging the treated steel fittings during installation
• Bleed the brake system thoroughly after installation to remove air and ensure proper brake function

Quality Assurance and Warranty Information

Dorman manufactures the H621188 brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of EPDM rubber and treated steel fittings ensures durability and resistance to common brake system stresses. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product reliability.