Most users believe that the trimmer head is the least important part of their lawn care routine. In reality, a worn-out component acts like a dull razor dragging across your lawn.
Replacing the stihl fs40c trimmer head before it fails saves you hours of frustration. These replacements restore the precise cutting performance your machine deserves.
Key Takeaways
- Prioritize compatibility with your specific motor model to ensure a secure fit.
- Check if the spool design supports rapid line loading for faster field maintenance.
- Determine if the housing material resists the frequent impacts typical of heavy yard work.
- Evaluate whether buying a multi-pack creates a better value for long-term ownership.
- Verify that the replacement unit matches the original manufacturer part number requirements.
| Best Overall Value | ![]() |
Direvcdro C6-2 Trimmer Head | Easy line installation | Fits many Stihl models | Direct factory replacement | View on Amazon | Read Review |
| Reliable Single Replacement | ![]() |
ACCYPRO C6-2 Single Trimmer Head | Perfect OEM fitment | Quick to install | Standard feed capacity | View on Amazon | Read Review |
| Practical Workshop Backup | ![]() |
ACCYPRO C6-2 Dual Pack Head | Two units included | Convenient backup supply | Consistent thread compatibility | View on Amazon | Read Review |
More Details on Our Top Picks
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Direvcdro C6-2 Trimmer Head
This trimmer head is your go-to choice if you want to restore your tool to factory performance without any fuss. It functions like a reliable workhorse, handling thick grass and weeds with consistent feeding.
You will appreciate the quick-load design that makes winding new line far less of a chore. Just keep in mind that the plastic housing is standard grade, so it works best when you avoid slamming it against concrete edges.
- Brand Name:Direvcdro
- Head Type:C6-2 bump feed
- Compatible Models:FS38, FS40, FS40C, FS45, FS46, FS50
- Additional Feature:Simple bump feed mechanism
- Additional Feature:Tool-free spool access
- Additional Feature:Lightweight construction
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ACCYPRO C6-2 Single Trimmer Head
If you only need to fix one trimmer, this unit serves as a precise match for your existing hardware. It installs in seconds, allowing you to get back to your yard work almost immediately.
The construction feels solid for its intended light-to-medium duty tasks. While it matches the OEM specifications, do not expect it to survive abuse against heavy rocks or solid steel fencing.
- Brand Name:ACCYPRO
- Head Type:C6-2 bump feed
- Compatible Models:FS38, FS40, FS40C, FS45, FS46, FS50
- Replacement Reference:4006 710 2126
- Package Count:1 pack
- Additional Feature:Factory-standard spring tension
- Additional Feature:Compatible with pre-cut line
- Additional Feature:Durable nylon housing
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ACCYPRO C6-2 Dual Pack Head
Keeping an extra head in your garage is like carrying a spare tire in your trunk. This two-pack bundle ensures that when one head finally wears down from heavy use, you have an immediate replacement ready to go.
The design remains identical to the single unit, offering the same smooth line feeding you expect from a C6-2 style head. It is the most logical choice for anyone maintaining multiple machines or dealing with aggressive trimming terrain.
- Brand Name:ACCYPRO
- Head Type:C6-2 bump feed
- Compatible Models:FS38, FS40, FS40C, FS45, FS46, FS50
- Replacement Reference:4006 710 2126
- Package Count:2 pack
- Additional Feature:Identical mounting points
- Additional Feature:Standard spool capacity
- Additional Feature:Easy to swap out






