Universal Air HA113665C A/C Manifold Hose Assembly

Universal Air A/C Manifold Hose Assembly

The Universal Air HA113665C is a suction and discharge assembly for HVAC service on select heavy-duty GM trucks. It is built for vehicles equipped with R-134a or HFO-1234yf refrigerant systems, depending on application, and is listed for Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD coverage.

The Universal Air suction and discharge assembly line focuses on direct-fit A/C hose routing for service replacement. Part number HA113665C is a practical choice when restoring refrigerant flow between major A/C components on supported Silverado and Sierra HD applications.

Key Features

• A/C manifold hose assembly for HVAC hose and pipe replacement
• Fits 2015-2016 GMC Sierra 2500 HD, N/A
• Fits 2017 GMC Sierra 2500 HD, N/A with R1234YF refrigerant
• Fits 2018-2019 GMC Sierra 2500 HD, N/A
• Fits 2017 GMC Sierra 3500 HD, N/A with R1234YF refrigerant
• Fits 2018-2019 GMC Sierra 3500 HD, N/A
• Fits 2017-2019 Chevrolet Silverado 2500 HD, N/A with R-134a A/C systems
• Fits 2017-2019 Chevrolet Silverado 3500 HD, N/A with HFO-1234yf A/C system
• Part number HA113665C for fitment-based search and ordering

Detailed Description

HA113665C is an A/C manifold hose assembly used in the suction and discharge side of the air conditioning system on select Chevrolet Silverado HD and GMC Sierra HD trucks. It is cataloged for multiple model years across 2500 HD and 3500 HD applications, making it a focused replacement for trucks that need the correct hose routing for their refrigerant setup. Search terms such as Chevrolet Silverado 2500 HD A/C manifold hose assembly, GMC Sierra 3500 HD suction and discharge assembly, and HA113665C replacement hose assembly all point to this part.

Common Issues This Part Can Address

• Damaged or leaking A/C hose assembly
• Loss of refrigerant pressure in the suction or discharge circuit
• Cracked or worn HVAC hose connections
• Poor A/C performance caused by hose failure
• Need for a direct replacement during A/C system repair

Installation Notes and Tips

Verify refrigerant type before ordering, since listed applications include R-134a and HFO-1234yf systems depending on year and model. Confirm the vehicle’s exact year, make, model, and A/C configuration against the fitment list before installation. Inspect mating seals, lines, and nearby HVAC components during service to help ensure a proper repair.

Quality Assurance

Universal Air supplies HVAC replacement components for service applications, and HA113665C is cataloged for specific GM heavy-duty truck fitments to support accurate parts selection. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.