Engine Maintenance Kit for Briggs & Stratton fits Twin Cylinder Intek, Power Built, and Professional 13.5 to 19.5 HP replaces 5136B. Contains 1 each Rotary item 13644 (Air Filter), 14422 (Pre Filter), 7761 (20 oz. Oil), 10676 (48 oz. Oil), 12863 (Oil Filter) and 2 each Rotary item 11220 (Spark Plug).