DOP575-25-74-06 Husqvarna 576XP Cylinder Assembly No. 575-25-76-06. This is an original husqvarna cylinder assembly that includes cylinder, piston, rings, pin, clips, plug, and piston bearing. Fits the 576XP Auto Tune and 576 XP. Replaces part numbers 575 25 76-06 and 575257406.