Question. WirelessF said: ". Part number 12570427 for 2009-prior LS engines "
TSB 10-06-01-008M says 12570427 is for 2007-2008. But this TSB is for AFM engines only.
Will 12570427 fit on 2000-2006 5.3's ? In my 2001 the PCV is plugged into the end of the hose coming from the intake manifold...
