NissanPartsDeal.com offers the wholesale prices for genuine 2013 Nissan Frontier 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: 4 Cyl 2.5L, 6 Cyl 4.0L. Trim: LE, Off-Road, PRO-4X, S, SE, SL, SV, XE.