Up for your consideration is a Factory OEM ECM / ECU Computer Control Module (Plug & Play) w/ Part Number MECM-B121A1. This Unit is in Great Shape. 

This ECM / ECU was removed from a 1996 Nissan D-21 Hardbody P/U w/ Automatic Transmission, 2.4 Engine, was a 2wd & will fit a 1995 Thru 1997 Nissan D21 HARBODY Pickup w/ 2.4 Engine & Automatic Tranny 2wd.