Global Parts 4811936 A/C Refrigerant Discharge Hose

A/C Refrigerant Discharge Hose for GM HD Trucks

Restore proper high-side refrigerant flow with this Global Parts A/C refrigerant discharge hose, part number 4811936. It is built for select Chevrolet Silverado 2500 HD and 3500, plus GMC Sierra 2500 HD and 3500 applications from 2003-2006.

• Global Parts A/C refrigerant discharge hose, part number 4811936
• High-side hose routes refrigerant from the compressor to the condenser
• Direct fit for select Chevrolet Silverado 2500 HD and Silverado 3500 models
• Direct fit for select GMC Sierra 2500 HD and Sierra 3500 models
• Cross-references Dorman - HELP 56424 for the same application
• Also cross-references UAC HA11385C for the same application

Detailed Product Overview

This A/C refrigerant discharge hose is part of the high-pressure side of the HVAC system, carrying refrigerant from the compressor to the condenser. For 2003-2006 Chevrolet Silverado 2500 HD, 2003-2006 Chevrolet Silverado 3500, 2003-2006 GMC Sierra 2500 HD, and 2003-2006 GMC Sierra 3500 trucks, part number 4811936 provides the hose routing needed to maintain proper A/C system operation. It is a fitment-based replacement for GM heavy-duty truck applications where the discharge line has failed, leaked, or become restricted.

What It Helps Fix

• Refrigerant leaks at the high-side hose assembly
• Loss of A/C cooling performance from damaged discharge routing
• Compressor-to-condenser refrigerant transfer issues
• Cracked, worn, or corroded hose sections in the HVAC system
• Service replacement needs on Chevrolet Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500 trucks

Installation Notes and Tips

Verify the vehicle year, make, and model before ordering. This part is for the discharge side of the system, so confirm the hose routing and connection points match the original component on your truck. Proper evacuation, recharge, and leak checking should be performed after installation to restore correct A/C performance.

Quality Assurance

Global Parts supplies HVAC replacement components for vehicle-specific applications, and this hose is cataloged for confirmed GM heavy-duty truck fitment. Part number 4811936 is listed with direct interchange references to help match the correct replacement for the original discharge hose.