537079401 Husqvarna Worm Wheel/Adjuster

537079401 Husqvarna Worm Wheel/Adjuster.  No original manufacturer’s packaging is available.  Fits Husqvarna 435, 445, 570, 570 EPA, 570 XP, 575 XP EPA, 576 XP EPA, 445 E, 450 E, 455, 460, 365 EPA, & Other Chainsaws