Just talked with the parts guy at the local dealer. He said he saw a new thing in the parts data base for 98 to 02 trucks. He said its listed as a FUEL PUMP TRANSFER CONVERSION then within the description he said it says MODULE PACK, FUEL PUMP/LEVEL KIT. He said this leaves him to believe its for in the tank. He said its about $250. 00. He also said that there is no additional info listed... Ill stick with my Fuel Preporator but who knows maybe better than the POS carter thing.