Dorman H381271 Brake Hydraulic Hose - Rear Left or Rear Right

Reliable Brake Hydraulic Hose for Buick, Chevrolet, Oldsmobile, Pontiac

The Dorman H381271 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered with durable materials, this flexible hose ensures consistent braking performance and safety.

• Compatible with Buick Century, Chevrolet Impala, Monte Carlo, Oldsmobile Intrigue, Pontiac Grand Prix, and Regal
• Constructed from EPDM rubber hose material with a black rubber outer sleeve
• Ends feature treated steel fittings: banjo fitting on one end and female fitting on the other
• Includes gaskets for proper sealing; mounting hardware and brackets are not included
• Overall length of 10.25 inches with a 10 mm thread diameter and M10 x 1.0 inside diameter fitting

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H381271) is built 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 feature 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 10.25 inches, this flexible hose is designed to match the original equipment specifications for a precise fit on compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.

Common Applications and Problem Resolution

• Replaces worn or cracked brake hydraulic hoses causing fluid leaks
• Restores proper brake fluid pressure for consistent braking response
• Eliminates brake pedal sponginess due to hose deterioration
• Prevents contamination and damage from external elements with durable outer sleeve
• Addresses fitment issues with original equipment hoses on specified vehicle models

Installation Notes and Tips

Before installation, ensure the vehicle is securely lifted and supported. Carefully remove the old brake hose, noting the orientation of fittings and routing. Use the included gaskets to create a proper seal at the banjo fitting end. Avoid twisting or kinking the hose during installation to maintain flexibility and integrity. After installation, bleed the brake system thoroughly to remove air and verify there are no leaks. Check brake fluid levels and test brake pedal firmness before driving.

Quality Assurance and Warranty Information

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The H381271 part undergoes rigorous quality control to ensure durability and reliable performance. This product includes gaskets to support proper sealing and is backed by Dorman's limited warranty against defects in material and workmanship, providing confidence in your replacement brake component.