Universal Air HA111903C A/C Refrigerant Discharge Hose

Mercedes-Benz A/C Discharge Hose

Universal Air HA111903C is an A/C refrigerant discharge hose for select Mercedes-Benz SUVs. It is built for the discharge line position and is listed for 2007-2009 Mercedes-Benz GL320 and ML320, plus 2010-2012 Mercedes-Benz GL350 and 2011 Mercedes-Benz ML350.

Key Features

• Brand: Universal Air Discharge Line
• Part number: HA111903C
• Application: A/C refrigerant discharge hose
• Position: discharge line
• Compatible with Mercedes-Benz GL320, ML320, GL350, and ML350 applications

Detailed Description

The Universal Air Discharge Line HA111903C routes refrigerant from the compressor discharge side in the vehicle air conditioning system. This hose is listed for 2007-2009 Mercedes-Benz GL320 and ML320, 2010-2012 Mercedes-Benz GL350, and 2011 Mercedes-Benz ML350, making it a direct-fit option for specific Mercedes-Benz HVAC service needs. Search terms such as Mercedes-Benz GL350 A/C discharge hose, ML320 refrigerant discharge line, and HA111903C discharge line all point to this application.

What It Helps Address

• Refrigerant leaks at the discharge line
• Cracked or damaged A/C hose routing
• Loss of system pressure from a failed hose assembly
• Poor A/C performance caused by refrigerant escape
• Service replacement for a worn Mercedes-Benz discharge line

Installation Notes and Tips

Verify the vehicle year, model, and discharge-line routing before installation. Inspect mating connections, seals, and nearby A/C components for wear or contamination during service. Proper evacuation and recharge procedures are required after replacing any refrigerant hose.

Quality Assurance

Universal Air identifies this part as part of its Discharge Line product line for HVAC hose and pipe applications. Part number HA111903C is cataloged for the listed Mercedes-Benz fitments to support accurate ordering and service matching.