Quote Originally Posted by BillBoost37 View Post
Far as I can tell. GM only made one part number for that fitting that I can find. therefore if it's a clicker...one of the fittings has the checkerball in it.
Are you sure there's only one? There's 4 different ones on rockauto :|

Then there's 4 different part numbers for the threaded connectors for '1st design' ( 24213958, 19125677, 24233366, 52481097 ) and '2nd design' ( 24236555, 24229978, 24236554 )