1992-1994 CHEVROLET OLDSMOBILE GMC EGR VALVE - NOS.  New in AC Delco box EGR valve for Chevrolet - Oldsmobile - GMC with 4.3  V6.  GM / AC  PN 17113279 / 214-5010.  From closed Pontiac dealership, I can't warranty this but it is new.  Check your applications.  2 pounds 12 oz.