i got a 1990 jeep cherokee lerado 4.0 4x4 and i am trying to replace the tailgate lock, now i found one that looks the same but it says in its description that its for a 1991-1992. my question is, does it matter or will this lock work for me. please help i need this for part of safety. if it helps this is a link to the lock i found

http://www.teamcherokee.com/Locks_and_Keys/index.html

...just highlight and copy the link and paste it in the top bar it should bring you right to the bage then just scroll to the very bottum of the page.