Perfect match: These worm gears are a perfect match for the chainsaw, easy installation and stable characteristics with high reliability. oil drive pump worm gear: Made of PA material, this set of 5pcs worm gears is specifically designed for Chinese chainsaws 4500, 5200, and 5800, as well as compatible with Tarus( for Taurus), for Timbertech, Kiam, and many other models.
eBay