they are the same truck,look em up at autozone.com,youll see what i am saying. D21 is the Official Nissan Designation of the Truck. Hardbody is the "Nickname"
The Nissan D21 is a truck, successor to the Datsun 720. The Nissan D21 is most popularly known as the "Nissan Hardbody." Hardbody refers to the double-wall bed and the overall styling of the truck, which looks stocky and "hard."
open hood and look.
86.5 from 720 to d21 hardbody.
Under the truck on the passager sideof the truck. You will see a rubber hose that's connected to it.
no sir
On The passenger side of the motor between the Firewall and the Throttle body
You can find the flasher relay on Nissan Hardbody on the metal flange of the clutch pedal.
the fuel pump and fuel level sending unit are combined and are in the gas tank
no,4 cylinder transmission will not work
no they are to big
Code 45 is an Injector leak. You can replace the injectors or just the O-Rings.