Engine Maintenance Kit for Briggs & Stratton fits V-Twin Intek Extended Life 18 to 26 HP replaces 5111(A,B). Contains 1 each Rotary item 9273 (Air Filter), 9304 (Pre Filter), 7761 (20 oz. Oil), 10676 (48 oz. Oil), 12863 (Oil Filter), 10352 (Fuel Filter), and 2 each Rotary item 11220 (Spark Plug) and 3450 (Hose Clamp).