NissanPartsDeal.com offers the wholesale prices for genuine 1997 Nissan Hardbody Pickup (D21U) parts. Parts like Breather Piping (For Front Unit) 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, 6 Cyl 3.0L. Grade/Trim: Long Body SE, Long Body XE, SE, STD, Short Body XE, XE.