Piston ring - 5766274-01 Spare part for chainsaw/brush cutter from the Husqvarna spare parts catalogSuitable for e.g.: Husqvarna 572XP/G only for serial number <20242704550, use only with piston 5766267-06Husqvarna 572XP only for serial number 2024705666, use only with piston 5766267-06Husqvarna 565 only for serial number 20242714081, use only with piston 5766267-06