Ryobi 308389002 Line Trimmer Ignition Coil Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; RY30931,RY30951,RY30160,RY30120,RY30570,RY30140,RY30971,RY30530,RY30550 Ignition coil 308389002 supplies spark voltage to the spark plug on the engine Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Ryobi This ignition coil (part number 308389002) is for line trimmers Wear work gloves to protect your hands when installing this part