InfinitiPartsDeal.com offers the wholesale prices for genuine 2011 Infiniti M37 parts. Parts like Bare & Short Engine 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.