InfinitiPartsDeal.com offers the wholesale prices for genuine 2011 Infiniti FX35 parts. Parts like Sun Roof Parts are shipped directly from authorized Infiniti dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.5L, 6 Cyl 3.7L, 8 Cyl 5.0L. Grade/Trim: Base, Premium, Sport.