Vintage Air 49870-VCI AC and Heat Duct Adapter, 2.5-Inch to 3-Inch Hose

The Vintage Air 49870-VCI AC and Heat Duct Adapter provides a practical connection between 2.5-inch and 3-inch air conditioning or heater duct hoses. Designed for automotive HVAC installations, this adapter helps create a secure transition between hose sizes while supporting efficient routing through the vehicle’s ventilation system. Its black plastic construction offers a lightweight solution for custom and replacement ductwork applications.
The 49870-VCI is suitable for driver-side or passenger-side OEM louver hose connections, making it a useful component for restoring factory-style airflow or completing a Vintage Air climate-control installation. The adapter is designed to work with compatible AC and heat duct hose, helping simplify installation when different hose diameters must be joined. Its straightforward design allows it to integrate cleanly into a variety of automotive HVAC layouts.
Built by Vintage Air, the 49870-VCI combines functional fitment with durable plastic construction for dependable use in interior climate-control systems. It is supplied as one adapter and is intended for applications requiring a 2.5-inch-to-3-inch duct transition. Verify hose sizes and installation requirements before ordering to ensure compatibility with the vehicle and HVAC components.

Features:

• Application: Connects 2.5-inch AC or heater duct hose to 3-inch duct hose

• Compatibility: Designed for driver-side or passenger-side OEM louver hose connections

• Construction: Lightweight black plastic

• Function: Provides a secure transition between different HVAC hose sizes

• Brand and Part Number: Vintage Air 49870-VCI