InfinitiPartsDeal.com offers the wholesale prices for genuine 2011 Infiniti M37 parts. Parts like Rear Seat are shipped directly from authorized Infiniti dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.7L, 8 Cyl 5.6L. Grade/Trim: Base, Premitec, Premium, Premium Touring Tech, SportPre, SportTec.