Dorman H381273 Brake Hydraulic Hose - Rear Left

Reliable Brake Hydraulic Hose for Chevrolet and GMC Trucks

The Dorman H381273 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Chevrolet and GMC trucks. Engineered with durable materials, this flexible hose ensures consistent braking performance for your Sierra 1500, Silverado 1500, and their HD and Classic variants.

• Compatible with Chevrolet Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD, Silverado 1500, Silverado 1500 Classic, and Silverado 1500 HD
• Flexible brake hydraulic hose constructed from EPDM rubber for durability and resistance
• Black outer sleeve made of rubber for protection against wear and environmental factors
• Ends feature treated steel fittings: banjo fitting on one end and female fitting on the other
• Includes necessary gaskets for proper sealing and installation
• Overall length of 15.25 inches with a 14.25-inch axis length for precise fitment

Durable Construction and Precise Fitment

The Dorman H381273 brake hydraulic hose 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 exposure. Both ends of the hose feature treated steel fittings—one banjo type with a 10 mm thread diameter and one female fitting with a 3/8 in-24 inside diameter—ensuring secure connections to your vehicle's brake system. This hose is designed specifically for select Chevrolet and GMC trucks, including the Sierra 1500 and Silverado 1500 series, providing a reliable replacement that meets OEM specifications.

Applications and Common Issues Addressed

• Replacement of worn or cracked brake hydraulic hoses causing brake fluid leaks
• Resolving soft or spongy brake pedal feel due to hose deterioration
• Fixing brake fluid contamination from damaged hose outer sleeves
• Addressing brake system failures related to improper hose fitment or damage
• Upgrading old or brittle hoses to maintain braking system integrity

Installation Notes and Tips

Installation of the Dorman H381273 brake hydraulic hose requires basic mechanical skills and proper tools. Ensure the vehicle is securely lifted and supported before beginning. Drain brake fluid as necessary and avoid contamination during hose replacement. Use the included gaskets to ensure a proper seal at the fittings. Tighten banjo and female fittings to manufacturer torque specifications to prevent leaks. After installation, bleed the brake system thoroughly to remove air and verify proper brake function before driving.

Quality Assurance and Warranty Information

Dorman manufactures the H381273 brake hydraulic hose to meet or exceed OEM standards for durability and performance. The use of treated steel fittings and EPDM rubber materials ensures long-lasting service life under normal operating conditions. This part includes gaskets to facilitate a secure and leak-free installation. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman's official documentation for complete warranty terms.