NissanPartsDeal.com offers the wholesale prices for genuine 1981 Nissan Datsun 810 parts. Parts like Fuel Tank are shipped directly from authorized Nissan dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 2.4L, 6 Cyl 2.8L Diesel. Grade/Trim: DX, SL.