O-Ring - 7404201-00 Spare part for chainsaw/brush cutter from the Husqvarna spare parts catalog Suitable for example: Husqvarna 545 Husqvarna 555 Husqvarna 550XP /G/Triobrake Husqvarna 560XP/G Husqvarna 572XP/G Husqvarna 565 Husqvarna 562 XPG Husqvarna 550XP/G Mark 2