Dorman H620425 Brake Hydraulic Hose - Rear Center

Reliable Brake Hydraulic Hose for Chevrolet, GMC, and Isuzu Vehicles

The Dorman H620425 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Chevrolet, GMC, and Isuzu models. Engineered with durable materials, this flexible hose ensures consistent braking performance and safety.

• Compatible with Chevrolet Canyon and Colorado, GMC Canyon and Colorado, and Isuzu i-280, i-290, i-350, i-370 models
• Constructed with EPDM rubber hose material and a black rubber outer sleeve for durability
• Features treated steel fittings on both ends: junction fitting (M10 thread diameter) and female fitting (M10 x 1.0 inside diameter)
• Includes a protective jacket for added hose protection
• Overall length of 14.13 inches with an axis length of 12.38 inches
• Mounting hardware, brackets, and gaskets are not included

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620425) 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 feature treated steel fittings—one junction type with an M10 thread diameter and one female fitting with an M10 x 1.0 inside diameter—ensuring a secure and leak-free connection. The included jacket enhances durability, making this hose suitable for the demanding conditions of brake systems in Chevrolet, GMC, and Isuzu trucks.

Applications and Common Issues Addressed

• Replacement for worn or cracked brake hydraulic hoses causing brake fluid leaks
• Restores proper brake fluid flow to maintain consistent brake pressure
• Prevents brake system failure due to hose deterioration or damage
• Eliminates spongy brake pedal feel caused by hose expansion or swelling
• Addresses brake fluid contamination risks from compromised hose integrity

Installation Notes and Tips

When installing the Dorman H620425 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, avoiding contamination of the brake system. Verify that the treated steel fittings match the vehicle’s brake line connections. Since mounting hardware and brackets are not included, reuse existing components if they are in good condition or source replacements separately. After installation, bleed the brake system thoroughly to remove air and verify proper brake pedal feel before driving.

Quality Assurance and Warranty Information

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM specifications for fit, form, and function. The H620425 part undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.