YOU ARE BUYING A NEW TUNE UP KIT, IT INCLUDES AN AIR FILTER, PRE FILTER, OIL FILTER, FUEL FILTER AND TWO SPARK PLUGS. THE INNER AIR FILTER REPLACES11013-7019, 11013-7045 AND 11013-7044. SPECS: ID: 1 25/32" OD: 2 13/32" HEIGHT: 10...