Dorman H620557 Brake Hydraulic Hose - Rear Center

Reliable Brake Hydraulic Hose for Ford F-150 and Lincoln Mark LT

The Dorman H620557 brake hydraulic hose is designed to provide dependable brake fluid transfer for Ford F-150 and Lincoln Mark LT models. Engineered with durable materials and precise fittings, this flexible brake hose ensures consistent braking performance under various driving conditions.

• Compatible with Ford F-150 and Lincoln Mark LT vehicles
• Flexible hose constructed from EPDM rubber for durability
• Black outer sleeve made of rubber for protection and flexibility
• Stamped steel bracket included for secure mounting
• Treated steel fittings with junction and female ends for reliable connections
• Overall length of 21 inches to match OEM specifications

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620557) features a flexible EPDM rubber hose material that resists 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 junction type with 3/8 and 7/16 thread diameters, and one female fitting with a 3/8 in-24 inside diameter—ensuring a secure and leak-free connection. The included stamped steel bracket facilitates proper mounting, maintaining hose stability and alignment during vehicle operation.

Applications and Common Issues Addressed

• Replacement for worn or cracked brake hydraulic hoses on Ford F-150 and Lincoln Mark LT
• Solves brake fluid leaks caused by damaged or deteriorated hoses
• Prevents brake pressure loss due to hose swelling or internal damage
• Addresses brake line corrosion or fitting failure
• Restores proper brake system function and safety

Installation Notes and Tips

When installing the Dorman H620557 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, noting the orientation and routing. Use appropriate brake line wrenches to avoid damaging fittings. Install the new hose with the stamped steel bracket to maintain proper positioning. After installation, bleed the brake system thoroughly to remove air and verify there are no leaks at the fittings.

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The H620557 part undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your replacement brake hose.