ECCPP Electric Fuel Pump Module Assembly w/Sending Unit for Buick Lesabre Park Avenue CADILLAC DEVILLE OLDSMOBILE AURORA PONTIAC 98-05 V6-3.8L V8-4.6L E3518M COMPATIBILTY - ECCPP Electric Fuel Pump for 1998-2004 CADILLAC SEVILLE V8-4.6L ;2001-2002 OLDSMOBILE AURORA V6-3.5L FUNCTIONS - Suck the fuel from the fuel tank, pressurize it and then deliver it to the fuel supply pipe, and cooperate with the fuel pressure regulator to establish a certain fuel pressure. Guaranteed supply of continuous fuel to the injector DISCLAIMER - ECCPP Fuel Pump Assembly DOES NOT come with pressure sensor, the original black pressure sensor on the top of the assembly must be reused at time of installation BENIFITS - ECCPP Fuel Pumps are low noise pump, better driving comfort, balancing cost and reliability to meet different needs IMPORTANT NOTE - Please make sure to match the exact part numbers between this part and the part that you are replacing. Contact your mechanics, or send us a message to make sure it matches exactly in case of doubt before purchasing