Ecm help
 

I'm replacing my ecm in my 2005 Nissan Altima 2.5s! I pulled the ecm out and got the part number I.e mec35-060 E3 3z11.... when looking at other ecms I have been able to find ones that have the mec35-060 E3 but the last 4 number/letters don't match up does that matter?