Dorman H620797 Brake Hydraulic Hose - Rear Left

Reliable Brake Hydraulic Hose for Buick DTS and Cadillac Lucerne

The Dorman H620797 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Buick and Cadillac models. Engineered with durable materials, this flexible hose ensures consistent braking performance for your Buick DTS or Cadillac Lucerne.

• Compatible with Buick DTS and Cadillac Lucerne 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 necessary gaskets for proper sealing
• Overall length of 12 inches with a 9.38-inch axis length
• End 1 thread diameter: 10 mm; End 2 fitting inside diameter: M10 x 1.0

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620797) is manufactured 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 type and one female type—ensuring secure connections to the brake system. The included gaskets help maintain a leak-free seal during installation. With an overall length of 12 inches, this flexible hose is designed to match the original equipment specifications for Buick DTS and Cadillac Lucerne vehicles.

Applications and Common Issues Addressed

• Replacement for worn or cracked brake hydraulic hoses on Buick DTS and Cadillac Lucerne
• Solves brake fluid leaks caused by damaged or deteriorated hoses
• Restores proper brake pressure and pedal feel
• Prevents brake system failure due to hose swelling or bursting
• Addresses corrosion or damage to original steel fittings

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning brake system work
• Use the included gaskets to prevent leaks at fitting connections
• Do not reuse old mounting hardware or brackets; this hose does not include mounting hardware or brackets
• Bleed the brake system thoroughly after installation to remove air
• Inspect all brake components for wear or damage during replacement

Quality Assurance and Warranty Information

Dorman manufactures this brake hydraulic hose to meet or exceed OEM standards 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 limited warranty, providing coverage against defects in material and workmanship under normal use.