NissanPartsDeal.com offers the wholesale prices for genuine 2009 Nissan Frontier parts. Parts like Transmission Gear 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. Grade/Trim: LE, Off-Road, PRO-4X, S, SE, SL, SV, XE.