Here we have a good used engine computer removed from a 1999 Jeep Grand Cherokee. This was a chrysler reman unit in 2002. Should fit years many 99 ish Grand Cherokee with 4.0 and auto 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!