NissanPartsDeal.com offers the wholesale prices for genuine 2009 Nissan Altima Sedan parts. Parts like Rear Seat Belt 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 3.5L. Trim: Base, S, SE, SL, SR.