Here we have a good used tested and functioning engine computer removed from a 1991 Geo Tracker. Should fit years many 91-92 ish Tracker and Sidekick with the 8V 1.6 and manual trans and maybe others but confirm fitment with part number or vin, may require programming to your vehicle. We specialize in Jeep vehicles amongst other things so if your looking for a hard to find part just send us a message!