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Stihl String Trimmer Head Won't Spin

FS 45

The 1 most common part(s) or condition(s) which contribute to the symptom String trimmer head won't spin are listed below. Check or test each item and watch any available videos. If you are still unable to solve the problem you may need to do additional research and troubleshooting. Remember, with our 365 Days. Period.® return policy you can return any part for any reason. So, go ahead and buy it to try it. No other parts retailer offers this unconditional return policy.

For the symptom you selected, these are the most common parts or causes, ordered by the likelihood of fixing the symptom.

Grid is 1 inch square
Trimmer Head - Part # 1657211 Mfg Part # 385-645

Trimmer Head

RepairClinic Item # 1657211 Aftermarket (Non-OEM) part

If the string trimmer head won't spin the head may have separated from the drive shaft. Disassemble the head to determine the cause.

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