Dorman Front Passenger-Side Brake Hydraulic Hose H620780 for GM Trucks & SUVs — Direct-Fit, EPDM Rubber

The Dorman H620780 is a front passenger-side brake hydraulic hose engineered to replicate the original equipment fit and function for select GM trucks and SUVs.

This brake hose delivers a direct-fit replacement designed specifically for front passenger-side applications on many Cadillac, Chevrolet and GMC models from the late 2000s through 2020. Built to meet vehicle-specific dimensions and safety standards, the hose helps restore reliable brake fluid flow as part of a complete brake repair. Always confirm compatibility by entering your vehicle’s make, model and trim in the garage tool before purchase.

Which vehicles does this hose fit?

The H620780 was produced for a range of GM full-size trucks and SUVs across multiple model years. Compatibility covers Cadillac Escalade, Escalade ESV and Escalade EXT; Chevrolet Avalanche, Silverado, Suburban and Tahoe; and GMC Sierra and Yukon series for the listed years. Use your vehicle profile to verify the exact fit and avoid returns.

• Cadillac Escalade, Escalade ESV and EXT model years listed from 2007–2020 where specified
• Chevrolet Silverado, Tahoe, Suburban and Avalanche model years included in the compatibility list
• GMC Sierra, Sierra 1500 Limited and Yukon/Yukon XL model years covered as listed
• Always confirm fitment via the garage lookup before ordering

How does this replacement match the original hose?

Dorman engineers the H620780 to mirror the original part’s routing, length and end fittings so installation is straightforward. The hose uses compatible materials and plated fittings to maintain durability and correct hydraulic behavior under normal operating conditions. That means you get an OEM-style connection without modifying brake components.

• Position-specific manufacturing for exact routing and length
• EPDM rubber construction similar to original specification
• Corrosion-resistant, specially coated fittings for secure connections
• Meets regulatory safety and durability test standards

What are the durability and safety features?

Manufactured with EPDM rubber and corrosion-resistant fittings, the H620780 is built for long service life and consistent brake fluid containment. Components are tested to industry and government-regulated durability benchmarks to reduce the risk of leakage or premature failure when properly installed. Routine inspection after installation is recommended as part of brake system maintenance.

• EPDM rubber resists heat and fluid exposure common in brake systems
• Special coating on fittings minimizes rust and seizing
• Constructed to withstand standard brake system pressures and cycles
• Intended for use as part of a full brake repair with compatible components

How easy is installation for a DIYer or technician?

The hose is made to be a direct-fit substitute, helping reduce installation time for experienced mechanics and informed DIYers. Because it matches OEM dimensions and fittings, installation follows standard brake hose replacement steps: secure vehicle, relieve pressure, swap hose, torque fittings and bleed the brake system. If you’re unsure, consult a professional to ensure brake safety.

• Position-specific fit reduces need for bending or modification
• Compatible end fittings align with factory brake lines and calipers
• Requires standard brake line tools and proper bleeding after install
• Professional installation recommended if you lack brake-system experience

Who this is for: The Dorman H620780 front passenger-side brake hydraulic hose is aimed at owners and technicians servicing late-2000s to 2020 GM full-size trucks and SUVs who need a reliable, position-specific replacement. It’s suitable for routine brake repairs, restoration projects, and shops seeking an OE-style fit without sourcing original factory parts. Always confirm vehicle compatibility and follow proper brake replacement and bleeding procedures for safe operation.