Here we have a good used fully functioning engine computer removed from a 2003 Jeep Wrangler TJ with 4.0 engine and manual transmission. Should fit years many 03 ish Jeep TJ with the 4.0 engine 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!