Piston Assembly Fits Stihl FS450 & FR450.This is a quality non genuine piston, rings, gudgeon pin, circlips assembly and is suitable for the Stihl FS450 & FR450.
Please check the diameter of the old piston to ensure this is the item you require.
Piston Diameter: 42mm
Similar to Stihl Part No: 4128 030 2005
MS Part No: 51043
