Dorman H620452 Brake Hydraulic Hose - Rear Center

Durable Brake Hydraulic Hose for Cadillac, Chevrolet, and GMC Vehicles

The Dorman H620452 brake hydraulic hose is engineered to provide reliable brake fluid transfer for select Cadillac, Chevrolet, and GMC models. Designed with quality materials and precise fittings, this flexible brake hose ensures consistent performance and safety for your vehicle's braking system.

• Compatible with Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche 2500, Suburban 2500, and GMC Yukon, Yukon XL 1500, Yukon XL 2500
• Constructed with EPDM rubber hose material and a black rubber outer sleeve for durability and flexibility
• Equipped with treated steel fittings: junction type on end 1 and female fitting on end 2
• Overall length of 15.8 inches to match OEM specifications
• Includes one brake hydraulic hose without mounting hardware, brackets, or seals

Product Features and Specifications

This Dorman brake hydraulic hose (part number H620452) features a flexible EPDM rubber hose core that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds protection against abrasion and environmental factors. Both ends are fitted with treated steel connectors—end 1 has a junction fitting with a 3/8 inch thread diameter, while end 2 features a female fitting with a 7/16 in-24 inside diameter thread. The hose length of 15.8 inches is designed to meet the exact requirements of the specified vehicle models, ensuring proper fit and function.

Applications and Problem Resolution

This brake hydraulic hose is intended for use in the brake systems of the following vehicles:

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 2500, Suburban 2500
• GMC Yukon, Yukon XL 1500, Yukon XL 2500

It addresses common brake system issues such as:

• Leaking or cracked brake hoses causing fluid loss
• Reduced brake responsiveness due to hose deterioration
• Swelling or bulging hoses under pressure
• Corroded or damaged fittings affecting brake fluid flow

Installation Notes and Tips

Installation of the Dorman H620452 brake hydraulic hose requires proper brake system knowledge and tools. Before installation, ensure the vehicle is securely lifted and the brake system is depressurized. Replace the hose carefully to avoid contamination of brake fluid and ensure all fittings are tightened to manufacturer torque specifications. Bleed the brake system thoroughly after installation to remove air and restore proper brake function. Note that this product does not include mounting hardware, brackets, or seals, so reuse existing components or acquire replacements as needed.

Quality Assurance and Warranty

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. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Verify warranty coverage with the product documentation or supplier.