NissanPartsDeal.com offers the wholesale prices for genuine 2009 Nissan Xterra parts. Parts like Heater & Blower Unit are shipped directly from authorized Nissan dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.0L. Grade/Trim: Base Camp, Off-Road, PRO-4X, S, SE, X.