Dorman H621240 Brake Hydraulic Hose - Front Left or Front Right

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

The Dorman H621240 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Mercedes-Benz vehicles. Engineered with durable materials, this flexible hose ensures consistent braking performance for the G55 AMG, G500, G550, and G550 4x4 models.

• Compatible with Mercedes-Benz G55 AMG, G500, G550, and G550 4x4
• Overall length of 19.09 inches for precise fitment
• Constructed with EPDM rubber hose material and a rubber outer sleeve
• Both ends feature treated steel female fittings with M10 x 1.0 thread diameter
• Includes protective jacket for added durability
• Mounting hardware, brackets, and seals are not included

Durable Construction and Design Features

This Dorman brake hydraulic hose (part number H621240) is built with EPDM rubber, known for its resistance to heat, ozone, and brake fluid degradation. The flexible hose design allows for smooth routing within the brake system, while the rubber outer sleeve provides protection against abrasion and environmental factors. Both ends of the hose are equipped with treated steel female fittings, ensuring secure connections with a thread diameter of 10 mm (M10 x 1.0). The included jacket adds an extra layer of protection, extending the hose's service life under demanding conditions.

Application and Common Issues Addressed

• Replacement for worn or cracked brake hydraulic hoses on Mercedes-Benz G55 AMG, G500, G550, and G550 4x4
• Resolves brake fluid leaks caused by damaged or deteriorated hoses
• Prevents brake system failure due to hose swelling or bursting
• Restores proper brake fluid pressure and pedal feel
• Addresses hose damage from abrasion or environmental exposure

Installation Notes and Tips

When installing the Dorman H621240 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 new hose length and fittings match the original equipment specifications. Since mounting hardware and brackets are not included, reuse existing components if they are in good condition or source replacements as needed. After installation, bleed the brake system thoroughly to remove air and restore proper brake function.

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 supports long-term 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.