Dorman H621983 Brake Hydraulic Hose - Rear Left Inner or Rear Right Inner

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

The Dorman H621983 brake hydraulic hose is designed specifically for Mercedes-Benz G55 AMG, G550, and G550 4x4 vehicles. Engineered to provide dependable brake fluid transfer, this flexible hose ensures consistent braking performance under various driving conditions.

• Compatible with Mercedes-Benz G55 AMG, G550, and G550 4x4 models
• Durable EPDM rubber hose material with black outer sleeve
• Flexible hose design for ease of installation and reliable operation
• Both ends feature treated steel female fittings with M10 x 1.0 thread diameter
• Overall length of 15.25 inches for precise fitment
• No mounting hardware, brackets, or gaskets included

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H621983) features a robust 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 factors. Both ends of the hose are equipped with treated steel female fittings, each with an M10 x 1.0 thread diameter, ensuring secure and leak-free connections to the brake system. With an overall length of 15.25 inches, this flexible hose is designed to match the exact specifications required for Mercedes-Benz G55 AMG, G550, and G550 4x4 models.

Common Applications and Problem Resolution

• Replacement of worn or cracked brake hydraulic hoses
• Resolving brake fluid leaks caused by damaged hose fittings
• Restoring proper brake pressure and pedal feel
• Addressing hose swelling or bulging under pressure
• Upgrading to a hose with treated steel fittings for corrosion resistance

Installation Notes and Tips

When installing the Dorman H621983 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, avoiding contamination of the brake system. Verify that the M10 x 1.0 female fittings align correctly with the brake line connections. Since mounting hardware and brackets are not included, reuse existing components or source compatible parts as needed. After installation, bleed the brake system thoroughly to remove air and confirm proper brake function before driving.

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 treated steel fittings and EPDM rubber materials contributes to long-lasting 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.