HomeHVAC > Hoses and PipesUniversal Air HA111903C A/C Refrigerant Discharge Hose
Part #: HA111903C

Universal Air HA111903C A/C Refrigerant Discharge Hose

Discharge Line
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Discharge Line
Fitment: Mercedes-Benz, GL350, ML350, GL320, and ML320
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Overview of Universal Air A/C Refrigerant Discharge Hose

The Universal Air Discharge Line A/C Refrigerant Discharge Hose (Part Number HA111903C) is designed specifically for Mercedes-Benz GL320, GL350, ML320, and ML350 models. This hose plays a critical role in the vehicle's HVAC system by ensuring efficient refrigerant flow and maintaining optimal air conditioning performance.

  • Compatible with Mercedes-Benz GL320, GL350, ML320, and ML350
  • Part Number: HA111903C for precise identification
  • Category: HVAC > Hoses and Pipes
  • Type: A/C Refrigerant Discharge Hose
  • Manufactured by Universal Air under the Discharge Line brand line

About the Universal Air Discharge Line Product Line

The Discharge Line product line by Universal Air focuses on delivering reliable and durable refrigerant hoses designed to meet OEM specifications. This line ensures proper refrigerant discharge flow within the air conditioning system, supporting consistent cooling performance and system integrity. The HA111903C is part of this line, engineered to fit specific Mercedes-Benz models and maintain system efficiency.

Detailed Product Description

The HA111903C A/C Refrigerant Discharge Hose is engineered to handle the high-pressure refrigerant flow from the compressor to the condenser in the HVAC system. Its construction supports resistance to heat, pressure, and refrigerant chemical exposure, which is essential for maintaining the air conditioning system's functionality in Mercedes-Benz GL320, GL350, ML320, and ML350 vehicles. Using this hose helps prevent leaks and ensures the refrigerant circulates properly, contributing to consistent cabin cooling.

Common Issues Addressed by This Refrigerant Discharge Hose

  • Refrigerant leaks causing reduced A/C cooling efficiency
  • Cracks or wear in the original discharge hose
  • Pressure loss in the A/C system affecting performance
  • Overheating of the refrigerant line due to poor hose integrity
  • Replacement of damaged or aged hoses in Mercedes-Benz GL and ML series

Installation Notes and Tips

  • Ensure vehicle compatibility with Mercedes-Benz GL320, GL350, ML320, and ML350 before installation
  • Inspect surrounding components for wear or damage during replacement
  • Use proper tools to avoid damaging hose fittings or connections
  • Follow manufacturer torque specifications for hose clamps and fittings
  • Check for refrigerant leaks after installation and system recharge

Quality Assurance and Warranty

Universal Air manufactures the HA111903C hose to meet industry standards for durability and performance. While specific warranty details are not provided, Universal Air products typically adhere to quality control processes to ensure reliable fitment and function within the specified Mercedes-Benz models. Always verify warranty terms with the supplier or manufacturer.

This part fits 10 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2012Mercedes-BenzGL350N/ADischarge Line
2011Mercedes-BenzGL350N/ADischarge Line
2011Mercedes-BenzML350Bluetec 4Matic3.0LV6DIESELN/ADischarge Line
2010Mercedes-BenzGL350N/ADischarge Line
2009Mercedes-BenzGL320N/ADischarge Line
2009Mercedes-BenzML320N/ADischarge Line
2008Mercedes-BenzGL320N/ADischarge Line
2008Mercedes-BenzML320N/ADischarge Line
2007Mercedes-BenzGL320N/ADischarge Line
2007Mercedes-BenzML320N/ADischarge Line

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.