NissanPartsDeal.com offers the wholesale prices for genuine 1988 Nissan Hardbody Pickup (D21) parts. Parts like Rear Seat are shipped directly from authorized Nissan dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.4L, 4 Cyl 2.5L Diesel, 6 Cyl 3.0L. Trim: Basic, DX, GST, SST, ST, STD.