The Western Star Heavy-Duty Dashboard Air Vent is a practical and durable replacement for specified vehicle years, makes, and models. Made with high-quality plastic construction and a sleek black finish, this air vent includes both the vent and bracket. It has been extensively tested to ensure a quality fit and long service life, making it an ideal replacement. Designed to withstand extreme temperature changes, this air vent is built to last in all conditions. It fits most Western Star 2001-2010 left, right, and center dashboard A/C vent applications, including 4900, 4900E, 4900EX, 4900FA, and 4900SA models. Direct OE replacement number: 600-56-3409.