Dorman H621422 Brake Hydraulic Hose - Rear Left Inner

Reliable Brake Hydraulic Hose for Lexus Land Cruiser and Toyota LX570

The Dorman H621422 brake hydraulic hose is designed to provide dependable brake fluid transfer for Lexus Land Cruiser and Toyota LX570 models. Engineered with durable materials, this flexible brake hose ensures consistent performance under demanding driving conditions.

Key Features of the Dorman H621422 Brake Hose

• Constructed with EPDM rubber hose material for flexibility and resistance to heat and chemicals
• Black outer sleeve made of rubber for added protection and durability
• Both ends feature treated steel female fittings with a 10 mm thread diameter (M10 x 1.0)
• Overall hose length of 12 inches, suitable for specified vehicle fitments
• Does not include mounting hardware, brackets, gaskets, or seals

Detailed Product Description

This Dorman brake hydraulic hose (part number H621422) is specifically designed for use in the brake systems of Lexus Land Cruiser and Toyota LX570 vehicles. The flexible hose is made from EPDM rubber, a material known for its excellent resistance to heat, ozone, and brake fluid, ensuring long-lasting service life. The black rubber outer sleeve provides additional protection against abrasion and environmental factors. Both ends of the hose are equipped with treated steel female fittings, threaded at 10 mm (M10 x 1.0), which offer secure and leak-resistant connections to the brake system components. With an overall length of 12 inches, this hose matches the original equipment specifications for the compatible models.

Common Applications and Issues Addressed

• Replacement of worn or cracked brake hydraulic hoses
• Resolving brake fluid leaks caused by damaged hose fittings or material degradation
• Restoring proper brake fluid pressure and pedal feel
• Addressing hose swelling or bulging under pressure
• Maintaining brake system safety and reliability on Lexus Land Cruiser and Toyota LX570 vehicles

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning brake system work
• Carefully remove the old brake hose, avoiding contamination of brake fluid
• Verify that the new hose length and fitting types match the original equipment
• Use appropriate tools to tighten fittings to manufacturer torque specifications
• Bleed the brake system thoroughly after installation to remove air and ensure proper brake function

Quality Assurance and Warranty Information

Dorman manufactures the H621422 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 durability and corrosion resistance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product reliability.