Stihl FS 66 Parts

Shop replacement repair parts for Stihl String Trimmer model FS 66

icons/string trimmer
Brand:Stihl
Model:FS 66
Product:String Trimmer
16 results
Skill Level (1)
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Product is a manufacturer part
07-010 Fuel Line
$12.73

Fuel line with grommet univers

Product is a bestsellerProduct is a manufacturer part
385-150 Trimmer Head
N/A

Trimmer head (Stihl)

No Longer Available
Skill Level (1)
skill level dotskill level dotskill level dotskill level dot
Product is a bestsellerProduct is a manufacturer part
385-154 Trimmer Head
N/A

Bump feed head kt30sh

No Longer Available
Product is a bestsellerProduct is a manufacturer part
385-876 Bump Knob
N/A

Bump knob. Fits Stihl# 40047104000.

No Longer Available
Product is a bestsellerProduct is a manufacturer part
385-734 Trimmer Head
N/A

Bump feed trimmer head

No Longer Available
Product is a bestsellerProduct is a manufacturer part
385-645 Trimmer Head
N/A

Trimmer head adapter kit (st)

No Longer Available
Product is a bestsellerProduct is a manufacturer part
155-584 Rewind Spring
N/A

Starter spring

No Longer Available
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Stihl FS 66 Problems & Repair Solutions

There are only a handful of issues that crop up with most appliances and equipment. Since 1912, we've learned to recognize the most common Stihl FS 66 problems ― and their solutions. Do any of these look familiar?

Frequently Purchased Together For This Model

Fuel Line
Spark Plug
Trimmer Head
Dual line trimmer head

Maintain and repair your Stihl FS 66 String Trimmer efficiently with genuine Stihl FS 66 replacement parts from Repair Clinic. Whether you’re replacing the FS 66 trimmer head, ignition coil, or tuning up with a rebuild kit, we offer everything you need for a smooth repair.

Search using your model number, specific part title, or even by symptoms like hard starting or no spark. Access detailed Stihl FS66 parts diagrams, repair guides, and expert videos to confidently complete your repair project.

Why Choose Repair Clinic for FS 66 Parts?

  • Genuine Stihl replacement parts
  • Same-day shipping on in-stock items
  • 365-day, no-hassle return policy
  • Price match guarantee
  • Expert DIY support and repair resources

Stihl FS 66 String Trimmer FAQs

1. What spark plug does a Stihl FS 66 use?

  • The recommended spark plug for the FS 66 is the NGK BPMR7A or equivalent. Always verify compatibility with your model before purchase.

2. How do I replace the trimmer head on my FS 66?

  • Unscrew the old head and align the new Stihl FS66 trimmer head with the drive shaft. Detailed video tutorials are available on Repair Clinic.

3. What is the engine size of the FS 66?

  • The FS 66 features a 27.2cc engine, making it reliable for light to medium-duty trimming and brush cutting tasks.

4. Where can I find a Stihl FS 66 parts diagram?

  • Repair Clinic offers complete FS 66 parts diagrams to help identify and order the right components easily.

5. Is the FS 66 compatible with brush cutter attachments?

  • Yes, the FS 66 is compatible with various brush cutter blades and accessories, provided they match the arbor size and RPM rating.