Dorman H621173 Brake Hydraulic Hose - Rear Left Outer

Reliable Brake Hydraulic Hose for Audi and Volkswagen Models

The Dorman H621173 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Audi and Volkswagen vehicles. Engineered with durable materials, this flexible hose ensures consistent braking performance for models like the Audi TT and Volkswagen Golf.

• Compatible with Audi Beetle, Bora, Clasico, Golf, Jetta, TT, and TT Quattro
• Constructed with EPDM rubber hose material and a black rubber outer sleeve
• Features treated steel fittings: banjo fitting on one end and male fitting on the other
• Includes gaskets for secure sealing; mounting hardware and brackets not included
• Overall length of 11 inches with a 7.5-inch axis 1 length for precise fitment

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H621173) is built with EPDM rubber, known for its resistance to heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. Both ends feature treated steel fittings—one banjo fitting with a 12 mm thread diameter and one male fitting with an M10 x 1.0 inside diameter—ensuring a secure connection to the brake system. The included gaskets help maintain a leak-free seal during installation.

Compatible Vehicles and Applications

This brake hose is specifically designed for use on various Audi and Volkswagen models, including the Beetle, Bora, Clasico, Golf, Jetta, TT, and TT Quattro. It is ideal for replacing worn or damaged brake hydraulic hoses to restore proper brake fluid flow and maintain safe braking performance.

• Leaking or cracked brake hoses
• Soft or spongy brake pedal feel
• Brake fluid contamination or loss
• Brake system pressure loss
• Preventative maintenance on aging brake components

Installation Notes and Tips

When installing the Dorman H621173 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, noting the orientation of fittings and routing. Replace the gaskets with those included in the package to prevent leaks. Avoid twisting or kinking the hose during installation. After installation, bleed the brake system thoroughly to remove air and verify proper brake pedal feel and function.

Quality Assurance and Warranty

Dorman manufactures this brake hydraulic hose to meet or exceed OEM specifications for fit, form, and function. The use of treated steel fittings and EPDM rubber materials supports long-term durability under typical operating conditions. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period.