Convenient Maintenance Kit at a great price. Includes: Oil & Fuel Filters , Anode , and Impeller Kit. Brand may be Sierra , Kohler , Napa , or Aftermarket. Fits Kohler Marine Gasoline Generator Models: 3.5EFZ , 4ESZ , 5EFZ , 6.5ESZ Does not fit Diesel Generators. Replaces: Fuel Filter: Kohler 267987 , Sierra 23-7762 Oil Filter: Kohler 267714 , Sierra 23-7823 Anode: Kohler 260085 , 267928 , Sierra 23-6400 Impeller Kit: Kohler 229826 , Sierra 23-3303 Impeller Specifications: Width: 7/8" (22.2mm) Diameter: 2-7/16" (61.9mm) Shaft: 5/8" Drive: 3/16" key Material: Neoprene Silhouette: 12 blades