Check the listing for details. PACCAR HVAC LOUVER VENT U45 1002. Condition: Used. Listed at 50.00 USD. The PACCAR HVAC Louver Vent U45 1002 is a commercial truck part designed for air conditioning and heating systems. This specific model is made by PACCAR, a reputable manufacturer in the industry. The louver vent allows for optimal airflow and temperature regulation within the truck's cabin, ensuring comfort and efficiency for the driver and passengers. With its durable construction and precise design, this HVAC louver vent is a reliable and essential component for maintaining a comfortable environment in commercial trucks.