Replace Part Number:75306258A,316299372,316773800 Fits the following 2 Cycle 25.4cc Full Crank Models:
RY252CS 25cc Curved Shaft String Trimmer
RY253SS 25cc Straight Shaft String Trimmer
RY251PH 25cc String Trimmer Power Head
RY254BC 25cc Brush Cutter/Trimmer