NissanPartsDeal.com offers the wholesale prices for genuine 1993 Nissan Hardbody Pickup (D21) parts. Parts like Air Pollution Control 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. Grade/Trim: Basic, DX, GST, SST, ST, STD.