Dorman H620440 Brake Hydraulic Hose - Rear Right or Rear Right Outer

Reliable Brake Hydraulic Hose for Chevrolet and GMC Trucks

The Dorman H620440 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Chevrolet and GMC models. Engineered with durable materials and precise fittings, this flexible brake hose ensures consistent braking performance for your Sierra 1500, Silverado 1500, Yukon, and related heavy-duty trucks.

• Compatible with Chevrolet Sierra 1500, Sierra 1500 HD, Sierra 2500 HD, Silverado 1500, Silverado 1500 HD, Silverado 2500 HD, Yukon, and Yukon XL 1500
• Flexible EPDM rubber hose with a black rubber outer sleeve for durability
• Includes stamped steel bracket and gaskets for secure mounting and sealing
• End 1 features a 10 mm banjo fitting made of treated steel
• End 2 has a female fitting with a 3/8 in-24 inside diameter, also made of treated steel
• Overall length of 12.88 inches with a 9-inch axis 1 length for precise fitment

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620440) is constructed 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. The hose includes a stamped steel bracket for secure attachment, ensuring stability during vehicle operation. Both ends feature treated steel fittings—banjo type on one end and female on the other—designed to match factory specifications for Chevrolet and GMC trucks. The included gaskets help maintain a leak-free seal, critical for maintaining brake system integrity.

Compatible Vehicles and Applications

This brake hydraulic hose is specifically compatible with the following models:

• Chevrolet Sierra 1500, Sierra 1500 HD, Sierra 2500 HD
• Chevrolet Silverado 1500, Silverado 1500 HD, Silverado 2500 HD
• GMC Sierra 1500, Sierra 1500 HD, Sierra 2500 HD
• GMC Yukon and Yukon XL 1500

Common Issues Addressed by This Brake Hose

• Brake fluid leaks caused by cracked or worn hoses
• Reduced brake responsiveness due to hose swelling or damage
• Corrosion or damage to fittings leading to brake fluid loss
• Vibration or movement of brake lines causing premature wear
• Failure of original hose components due to age or environmental exposure

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning installation
• Use the included stamped steel bracket and gaskets for proper mounting and sealing
• Inspect all fittings and brake components for wear or damage during replacement
• Bleed the brake system thoroughly after installation to remove air and ensure proper brake function
• Verify hose routing matches factory specifications to avoid kinks or interference

Quality Assurance and Warranty

Dorman manufactures this brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of EPDM rubber and treated steel fittings ensures durability and resistance to common brake system stresses. This part is backed by Dorman's quality assurance processes, providing confidence in its reliability and performance. Please refer to Dorman's official warranty policy for specific coverage details.