The ZAMDOE 17210-ZE6-505 Air Filter Spark Plug is specifically designed for GV150, GV200, GXV120 engines, including models like HR195, HR214, HR215, HR21, HRA21, HRA214, and HRA215. This replacement part replaces the 17210-ZE6-003 and 17210-ZE6-305 plugs, ensuring a smooth and efficient engine operation for your lawn mower. The advanced design of this spark plug guarantees improved ignition performance, reducing the risk of misfires and increasing engine longevity. By upgrading to this ZAMDOE option, you'll enjoy a quieter, more efficient, and reliable mower experience. With its premium quality and wide compatibility, this 17210-ZE6-505 Air Filter Spark Plug is the perfect addition to your lawn care essentials.