Dorman H621439 Brake Hydraulic Hose - Rear Left

Reliable Brake Hydraulic Hose for Pontiac Matrix and Toyota Vibe

The Dorman H621439 brake hydraulic hose is designed to provide dependable brake fluid transfer for your Pontiac Matrix or Toyota Vibe. Engineered with durable materials, this flexible hose ensures consistent braking performance and safety.

• Compatible with Pontiac Matrix and Toyota Vibe models
• Constructed with EPDM rubber hose material for flexibility and durability
• Black outer sleeve made of rubber for protection against wear
• Ends feature treated steel fittings: banjo fitting on one end and female fitting on the other
• Includes gaskets for a secure, leak-free installation
• Overall length of 9 inches with 8.38 inches on axis 1 length

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H621439) 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 of the hose are equipped with treated steel fittings—one banjo fitting with a 10 mm thread diameter and one female fitting with an M10 x 1.0 inside diameter—ensuring a secure connection to your vehicle's brake system. The package includes necessary gaskets to maintain a tight seal and prevent leaks. This flexible hose is designed specifically for the brake systems of Pontiac Matrix and Toyota Vibe models, providing a precise fit and reliable performance.

Common Applications and Problem Resolution

• Replaces worn or cracked brake hydraulic hoses causing fluid leaks
• Restores proper brake fluid flow for consistent braking response
• Eliminates brake pedal sponginess due to hose expansion or damage
• Prevents brake system contamination by maintaining a sealed connection
• Addresses brake hose failures that trigger warning lights or reduced braking efficiency

Installation Notes and Tips

When installing the Dorman H621439 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, noting the orientation of fittings. Use the included gaskets to create a leak-free seal at both connection points. Avoid twisting or stretching the hose during installation to maintain its integrity. After installation, bleed the brake system thoroughly to remove any air and verify proper brake function before driving.

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 ensures durability and resistance to common brake system stresses. This part is backed by Dorman's quality standards, providing confidence in its performance and longevity.