We are sorry to hear about your experience and understand how frustrating it is when a key component wears out quickly and is difficult to replace. For troubleshooting, we recommend checking that the correct line diameter is being used for your model and that the spool is not overfilled, as this can put excess strain on the trimmer head and accelerate wear. It’s also helpful to avoid frequent contact with hard surfaces like concrete or fencing, as this can cause premature damage to the head assembly. Ensuring the head is properly installed and tightened can also help improve durability during use.
Regarding the S-Type Trimmer Head Assembly (SKU R0207422-00), we understand how important this part is for continued operation. While it is currently unavailable, we recommend selecting the "Notify Me" option to receive an alert once the item becomes available and continuing to check for restock updates or reaching out to support to confirm compatible replacement options or alternatives that may work with your unit. They can be reached either using the online chat function, on Greenworks Tools page, or by calling 1-888-909-6757.
We appreciate you sharing this feedback, as it helps us improve both product durability and parts availability moving forward.

Thank you for your feedback, and we are sorry to hear about your experience with the trimmer head assembly. We understand how frustrating it can be when a component does not last as expected and is difficult to replace. For troubleshooting, we recommend first checking the trimmer head for any debris buildup, cracks, or excessive wear that may have developed over time, as heavy use or contact with hard surfaces can accelerate wear on these components. It’s also helpful to confirm the correct line diameter is being used and that the line is not overfilled, as this can place added stress on the assembly and impact longevity. Ensuring the head is securely attached and not cross-threaded can also prevent premature wear.
We apologize, the part is currently unavailable online. We are working to make this item available for convenient online purchase and will update our website as soon as it is back in stock. In the meantime, please select the "Notify Me" option to receive an alert once the item becomes available. We hope you will find this information useful. If you require any additional support or have questions regarding a product, we recommend trying our Q&A section on products' page or Chat with us direct on our website or call 1-888-909-6757. We are here to help.