Dorman H620686 Brake Hydraulic Hose - Rear Left or Rear Right

Reliable Brake Hydraulic Hose for Mazda 3

The Dorman H620686 brake hydraulic hose is designed specifically for Mazda 3 models, providing a durable and flexible connection within your vehicle's braking system. Engineered with quality materials, this hose ensures consistent brake fluid flow and reliable performance under various driving conditions.

• Compatible with Mazda 3 models
• Overall length of 16 inches for precise fitment
• Flexible hose constructed from EPDM rubber for durability
• Black outer sleeve made of rubber with protective jacket included
• Ends feature treated steel fittings: male (7/16 in-24 thread) and female (M10 x 1.0 inside diameter)
• No mounting hardware, brackets, or gaskets included

Durable Construction and Material Details

This brake hydraulic hose features an EPDM rubber hose material known for its resistance to heat, ozone, and brake fluid degradation. The black rubber outer sleeve is reinforced with a protective jacket to guard against abrasion and environmental damage. Both ends of the hose are equipped with treated steel fittings—male on one end and female on the other—ensuring secure and leak-free connections within the brake system. The 16-inch overall length is tailored to fit the brake line routing on Mazda 3 vehicles, making installation straightforward.

Applications and Problem Solving

• Replaces worn or cracked brake hydraulic hoses on Mazda 3
• Addresses brake fluid leaks caused by damaged or deteriorated hoses
• Restores proper brake fluid pressure and pedal feel
• Prevents brake failure due to hose swelling or rupture
• Suitable for routine brake system maintenance and repairs

Installation Notes and Tips

Before installation, ensure the vehicle is securely lifted and supported. Carefully remove the old brake hose, taking care to avoid brake fluid spillage. The Dorman H620686 hose does not include mounting hardware or brackets, so reuse existing components if they are in good condition. Verify the correct orientation of the male and female fittings during installation. After installation, bleed the brake system thoroughly to remove air and restore proper brake function.

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM specifications for fit, form, and function. The H620686 part undergoes rigorous quality control to ensure durability and safety. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship, providing confidence in the product's reliability for your Mazda 3 brake system.