Feb 18, 2010 #1 S spikestta Member Joined Feb 1, 2008 Messages 102 Sould all NOS OEM GM Intercooler hose's have the part #'s stamped on them? THANKS.
Feb 19, 2010 #2 T TurboRegal84 Moderator Staff member Joined May 24, 2001 Messages 1,996 The Original hoses should have the part number along with a date code on them in White.