Here is a product description that meets the requirements:

The ignition coil module for Stihl trimmers and weedeaters is designed to provide optimal engine performance and fuel efficiency. Compatible with models such as the FS40, FS40C, FS50, FS56, FS56C, FS56R, FS56RC, and HT56C trimmers and weedeaters, this module ensures a smooth and efficient firing of the ignition system.

This replacement coil module is made from high-quality components, ensuring reliable performance in harsh environments. Its durable construction withstands frequent use without compromising on reliability or durability. With its robust design and precise engineering, it provides exceptional fuel efficiency and reduces emissions.

The ignition coil module is designed to work seamlessly with the existing ignition system of your Stihl trimmer or weedeater, eliminating the need for additional modifications. It features a high-voltage output that ensures strong spark across the entire engine, resulting in improved performance and reduced wear on your machine's components.

This replacement ignition coil module is compatible with the following models: 41444001303, 41444001316, ZF-IG-A00166. Replacement of this unit will not void any warranties and provides a reliable solution for optimizing performance and efficiency in your Stihl trimmer or weedeater.