Dorman H621201 Brake Hydraulic Hose - Rear Center

Reliable Brake Hydraulic Hose for Chevrolet and GMC Trucks

The Dorman H621201 brake hydraulic hose is designed to provide dependable brake fluid transfer for Chevrolet Canyon and GMC Colorado models. Engineered with durable materials, this flexible hose ensures consistent braking performance under various driving conditions.

• Compatible with Chevrolet Canyon and GMC Colorado vehicles
• Constructed with EPDM rubber hose material for flexibility and durability
• Black outer sleeve made of rubber with protective jacket included
• Ends feature treated steel fittings: junction type on one end and female fitting on the other
• Overall length of 16.25 inches with precise M10 thread diameters for secure connections

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H621201) features a flexible EPDM rubber hose core that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve with an additional protective jacket enhances abrasion resistance and longevity. Both ends are equipped with treated steel fittings—one junction type with an M10 thread diameter and one female fitting with M10 x 1.0 inside diameter—ensuring a secure and leak-free connection within the brake system. With an overall length of 16.25 inches and axis lengths of 14.25 inches, this hose is engineered to match the exact specifications required for Chevrolet Canyon and GMC Colorado brake systems.

Applications and Problem Resolution

• Replaces worn or cracked brake hydraulic hoses causing fluid leaks
• Restores proper brake fluid pressure for consistent braking response
• Eliminates hose swelling or bulging under pressure
• Prevents brake system failure due to hose deterioration
• Addresses compatibility issues with original equipment brake lines on Chevrolet Canyon and GMC Colorado

Installation Notes and Tips

Ensure the brake system is depressurized before removing the old hose. Verify the M10 thread sizes on fittings match the vehicle’s brake line connections. Use appropriate brake fluid and bleed the brake system thoroughly after installation to remove air pockets. This hose does not include mounting hardware or brackets, so reuse existing components or source separately if needed.

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 and resistance to environmental factors. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship.