InfinitiPartsDeal.com offers the wholesale prices for genuine 2019 Infiniti QX30 parts. Parts like Front Door Trimming are shipped directly from authorized Infiniti dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.0L. Trim: Base, Comfort, Premium, Sport-Plus City Black, Xover-Cafe Teak.