Daikin-McQuay 4009463 Lower Horizontal Discharge Vane for Mini-Split Indoor Units

The Daikin-McQuay 4009463 Lower Horizontal Vane is a genuine OEM replacement discharge vane designed for Daikin mini-split and heat pump indoor air handlers. This lower airflow blade sits at the discharge grille opening and works in tandem with the upper horizontal vane to direct conditioned air precisely into the room, optimizing comfort and system efficiency.

Constructed from durable plastic, this vane is engineered to maintain its shape and pivot action through years of continuous use. As part of the discharge grille assembly, horizontal vanes play a critical role in controlling the angle and spread of airflow from the indoor unit. A worn, cracked, or broken lower vane can result in uneven air distribution, reduced comfort, and potential stress on the swing motor linkage.

Key Features:

• Genuine Daikin-McQuay OEM replacement part (MPN: 4009463)
• Durable plastic construction for long-lasting performance
• Lower position vane — pairs with upper horizontal vane (4009462) for complete airflow control
• Direct factory replacement for precise fit and function
• Compatible with select Daikin FTKS, FTXS, FTE, ATM, FTM, and FTKD series indoor units

This is a lower horizontal discharge vane only. If your unit requires a complete vane assembly or the upper vane, refer to the appropriate companion part numbers. Always verify compatibility using your unit's model and serial number before ordering.