Dorman H620428 Brake Hydraulic Hose - Rear Right or Rear Right Outer

Reliable Brake Hydraulic Hose for Cadillac STS

The Dorman H620428 brake hydraulic hose is designed specifically for Cadillac STS models, providing a durable and flexible solution for your vehicle's braking system. Engineered with quality materials, this hose ensures consistent brake fluid flow and reliable performance.

• Compatible with Cadillac STS brake systems
• Flexible EPDM rubber hose with black outer sleeve
• Overall length of 14.38 inches for precise fitment
• Ends feature treated steel fittings: banjo on one side, female on the other
• Includes necessary gaskets for secure sealing

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620428) features a flexible EPDM rubber hose material with a black rubber outer sleeve that resists wear and environmental damage. The hose measures 14.38 inches in overall length, with an axis length of 12.67 inches, ensuring proper routing and fitment on Cadillac STS vehicles. Both ends are equipped with treated steel fittings—one banjo fitting with a 10 mm thread diameter and one female fitting with a 3/8 in-24 inside diameter—providing secure connections to the brake system. The package includes gaskets to ensure a leak-free installation, although mounting hardware and brackets are not included.

Applications and Common Issues Addressed

• Replacement of worn or cracked brake hydraulic hoses on Cadillac STS
• Resolving brake fluid leaks caused by damaged hose fittings or seals
• Restoring proper brake fluid pressure and pedal feel
• Preventing brake system failure due to hose deterioration
• Upgrading from aging or incompatible brake hoses

Installation Notes and Tips

When installing the Dorman H620428 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, noting the routing and connection points. Use the included gaskets to prevent leaks at the fitting connections. Since mounting hardware and brackets are not included, reuse existing components if they are in good condition or source replacements separately. After installation, bleed the brake system thoroughly to remove air and verify proper brake function before driving.

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM specifications for fit, form, and function. The H620428 part undergoes rigorous quality control to ensure durability and safety. This product includes a gasket for sealing and is backed by Dorman's limited warranty against defects in material and workmanship, providing confidence in your replacement part.