NissanPartsDeal.com offers the wholesale prices for genuine 2020 Nissan NV 3500 parts. Parts like Oil Cooler are shipped directly from authorized Nissan dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.0 L GAS, 8 Cyl 5.6 L GAS. Grade/Trim: S, SL, SV.