Does anyone have a ECU out of a 1997 5 speed z24 cavalier they are willing to sell the numbers are SERV.NO. 16228016 CCYM HDW NO. 16204850 CCYM. I have found them with the same serv and hdw numbers but can not find any with ccym. Could some one please help me? Could someone at least tell me where i can find ones that are at least compatible? thank you all for your help i need a ecu ASAP!!! THANKS AGAIN!!!

As long as it's got the same service and hardware numbers, should work fine. I don't remember exactly what the four digits are for... but I've never found two that were the same, in any car.

not sure where you are but this is the wrong place to post this. check lkqcorp.com, nationwide auto recycler, usually good prices and lots of locations.