Specs: Description: Cylinder Assembly, Bore Size: 47 mm, Includes: Piston, ring, pin and clips, Ethanol: Not compatible with greater than 10% ethanol fuel. Replaces OEM Numbers: Husqvarna: 537157302, 537157304. Compatible With/Replacement For: Husqvarna: 359 chainsaws. Stens 1 year warranty ensures reliability and performance for every part. Stens branded parts are trusted by professional dealers to perform OEM quality repairs.