Replacement for OEM Parts Number: 308649003 Compatibility: Compatible with Ryobi RY251PH RY252CS RY253SS RY254BC 25CC 25.4cc String Trimmer 308649003 Value Pack Include: 1 Air Box Cover, 1 Airbox Base Assembly, 1 Air Filter, 1 Spark Plug, 2 Fuel Filter Studry and Druable Material: These replacement and maintenance parts are made of high standard material, ensures proper fit and performance to maintain the life Friendly Remnder: To ensure that you receive the right parts for your engine, it's crucial to verify your engine model and part numbers before checking out. Generic Air Filter Cover with Labels Replacvement Compatible with Ryobi OEM # 308649003; Compatible with Ryobi String Trimmers Model #'s - RY251PH - RY253SS - RY252CS and RY254BC.