Original 1965-68 GMC Truck Dealer Master Parts Book. This Parts Catalog [dated October, 1967] is what the Dealer used to order Factory Replacement Parts to repair your Truck. This Book covers 1965 Models 1000 thru 6500, 1966 Models 1000 thru 4000, 1967 Models L3500 L, DL4000, 1968 L, DL4000 Trucks. It has Part Numbers, Group Numbers, Desciptions, Quantity, Application and No Illustrations. It is in good condition for its age with normal wear, soiling and blemishing [see photos]. This rare and informative piece of history will be a useful tool for the GMC Owner or Collector.