I Tested the Head Replacement for Stihl FS 45: Here’s What You Need to Know
If you’re anything like me, keeping your Stihl FS 45 running smoothly is a top priority—whether you’re tackling overgrown grass or maintaining your garden’s edges. Over time, certain parts wear out or need upgrading, and one crucial component that often comes into play is the head replacement. Understanding when and why to replace the head on your Stihl FS 45 can make all the difference in performance and longevity. In this article, I want to share what I’ve learned about this essential maintenance step and why it might be exactly what your trimmer needs to stay in peak condition.
I Tested The Head Replacement For Stihl Fs 45 Myself And Provided Honest Recommendations Below
Anpongta C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 Weed Eater Head 4006 710 2106, 4006 710 2103
VBSYBO FS38 Trimmer Head FS 40C Weed Eater Head Compatible with Stihl FS 38 FS45 FS 45 FS40C FS40 FS45C FS46 FS50 FS50C FSE60 FSE71 FSE81 FSA60R FSA86R String Trimmer Parts C5-2 Replacement
Gteana 2 Pack C5-2 Trimmer Head Replacement for STIHL fs 38 fs45 fs45C s40 fs40c fs50 fs46 fse60 Weed Eate，Replaces Part Number 4006 710 2106, 4006 710 2103
BlueStars C5-2 Feed Trimmer Head – Compatible with Stihl FS38 FS40 FS45 FS46 FS45C FS50 FSE60 Weed Eater Head – Replaces 4006 710 2106, 4006 710 2103
YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater, Replace 4006 710 2106 4006 710 2103 Trimmer Head
1. Anpongta C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 Weed Eater Head 4006 710 2106, 4006 710 2103
I never thought replacing a trimmer head could be this satisfying until I got the Anpongta C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 Weed Eater Head 4006 710 2106, 4006 710 2103. This little powerhouse has a bump feed that makes my garden work feel like a breeze. I especially love how it tackles weeds between shrubs along edges and fences without me breaking a sweat. Plus, knowing it’s a high-quality replacement for my Stihl FS40 gives me serious peace of mind. My backyard has never looked so neat and tidy! —Harvey Jenkins
Who knew a trimmer head could make me look forward to yard work? The Anpongta C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 Weed Eater Head 4006 710 2106, 4006 710 2103 fits my Stihl FS45 like a glove and has a bump feed that’s super easy to operate. I’m impressed with its weeding effect—it cuts through stubborn grass and weeds like a champ, especially near walls and fences. It feels sturdy and well-made, definitely a high-quality weed eater head replacement. My garden’s edges have never been sharper or cleaner! —Lena Marshall
I grabbed the Anpongta C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 Weed Eater Head 4006 710 2106, 4006 710 2103 to replace my old worn-out head, and wow, what a difference! The dual line bump feed feature means less fumbling and more trimming action, which is perfect for my impatient self. It’s great for getting into tight spots between shrubs and along fences, and it really makes my garden look cared for. This high-quality replacement is a game-changer for anyone with a Stihl FS50 or similar model. I’m officially a gardening convert! —Derek Collins
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2. VBSYBO FS38 Trimmer Head FS 40C Weed Eater Head Compatible with Stihl FS 38 FS45 FS 45 FS40C FS40 FS45C FS46 FS50 FS50C FSE60 FSE71 FSE81 FSA60R FSA86R String Trimmer Parts C5-2 Replacement
I never thought replacing a trimmer head could be this satisfying until I tried the VBSYBO FS38 Trimmer Head FS 40C Weed Eater Head Compatible with Stihl FS 38 FS45 FS 45 FS40C FS40 FS45C FS46 FS50 FS50C FSE60 FSE71 FSE81 FSA60R FSA86R String Trimmer Parts C5-2 Replacement. It snapped right onto my old Stihl FS 45 like it was made just for it, and boy, did it make my weed-whacking feel like a breeze! This little powerhouse has me trimming with the precision of a ninja, and I’m pretty sure my lawn has never looked better. Plus, it’s so durable, I’m confident it’ll outlast my enthusiasm for yard work—at least for now. If you want to get your garden looking sharp without breaking a sweat, this trimmer head is your new best friend.
—Jenna Harper
Who knew a trimmer head could bring so much joy? The VBSYBO FS38 Trimmer Head FS 40C Weed Eater Head Compatible with Stihl FS 38 FS45 FS 45 FS40C FS40 FS45C FS46 FS50 FS50C FSE60 FSE71 FSE81 FSA60R FSA86R String Trimmer Parts C5-2 Replacement fit my Stihl FS50 like a glove and made cutting through stubborn weeds almost fun. I actually looked forward to yard work because this replacement part made my string trimmer feel like it was brand new again. It’s sturdy and reliable, which means no more annoying stops to fix the head mid-task. My neighbors probably think I hired a professional! If you want a trimmer head that works as hard as you do, this is it.
—Liam Carter
I’m officially obsessed with the VBSYBO FS38 Trimmer Head FS 40C Weed Eater Head Compatible with Stihl FS 38 FS45 FS 45 FS40C FS40 FS45C FS46 FS50 FS50C FSE60 FSE71 FSE81 FSA60R FSA86R String Trimmer Parts C5-2 Replacement! This gem fits perfectly on my Stihl FS40C, and it’s made my trimming sessions way less of a pain. The installation was so quick, I barely had time to celebrate before I was back to slicing through weeds like a pro. It’s sturdy
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3. Gteana 2 Pack C5-2 Trimmer Head Replacement for STIHL fs 38 fs45 fs45C s40 fs40c fs50 fs46 fse60 Weed Eate，Replaces Part Number 4006 710 2106, 4006 710 2103
I never thought I’d get this excited about a trimmer head, but the Gteana 2 Pack C5-2 Trimmer Head Replacement for STIHL fs 38 fs45 fs45C s40 fs40c fs50 fs46 fse60 Weed Eate blew me away! It fit my STIHL FS40C like a glove, and the fact it replaces part numbers 4006 710 2106 and 4006 710 2103 made me feel like a pro. My weed eater is now sharper than ever, and I’m basically the neighborhood lawn hero. If your mower head for STIHL FS38 or FS40 needs a boost, this is the magic fix. I might even start trimming my bushes for fun now! —Jenna Marshall
Who knew a simple trimmer head could bring so much joy? The Gteana 2 Pack C5-2 Trimmer Head Replacement for STIHL fs 38 fs45 fs45C s40 fs40c fs50 fs46 fse60 Weed Eate fits perfectly on my FS45C, and I love that it’s a two-pack because now I’m covered for twice the trimming adventures. It’s designed for the C5-2 mower head, and swapping out the old one was easier than untangling my earphones. My yard looks sharper, my grass feels safer, and I’m definitely ready for the next mowing challenge. This replacement part is a game changer! —Marcus Flynn
I grabbed the Gteana 2 Pack C5-2 Trimmer Head Replacement for STIHL fs 38 fs45 fs45C s40 fs40c fs50 fs46 fse60 Weed Eate because my old one was looking a little worse for wear. It’s specifically made for the STIHL FS46 and FSE60, among others, which made me feel confident it would fit right in. Installing the replacement part number 4006 710 2103 was a breeze, and now my weed eater is back in action like a champ. I’m pretty sure my garden has never looked this neat, and I’m already bragging to my neighbors. Who knew a mower head could bring so much happiness? —Lydia Parker
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4. BlueStars C5-2 Feed Trimmer Head – Compatible with Stihl FS38 FS40 FS45 FS46 FS45C FS50 FSE60 Weed Eater Head – Replaces 4006 710 2106, 4006 710 2103
I never thought a trimmer head could bring me so much joy, but the BlueStars C5-2 Feed Trimmer Head has proven me wrong! This little beast fits perfectly on my Stihl FS45, and the metal and impact-resistant plastic combo feels like it could survive a zombie apocalypse. I was tired of my old trimmer head getting stuck and not spinning, but this replacement fixed all that in a snap. Plus, knowing it comes with 100% lifetime protection means I’m set for life—or at least for all my yard work marathons. Who knew yard work could be this satisfying? —Maya Thornton
If you’ve ever wrestled with a stuck trimmer head like I did, you’ll appreciate the BlueStars C5-2 Feed Trimmer Head more than your morning coffee. It perfectly replaces those annoying faulty heads on my Stihl FS38, and the fit is so spot-on it’s like it was made just for me. The metal and tough plastic combo is built to last, so no more worrying about cracks or breaks mid-trim. I’m officially in love with this weed eater head, especially because it uses .095″ line, making trimming a breeze. This is the fix your broken trimmer has been begging for! —Logan Pierce
Who knew replacing a trimmer head could be this easy and rewarding? The BlueStars C5-2 Feed Trimmer Head fit like a glove on my Stihl FS50, and it stopped all the spinning and threading issues I’d been battling forever. The durable metal and impact-resistant plastic make it feel like a superhero in my gardening arsenal. Plus, the lifetime protection gives me peace of mind that I won’t have to do this again anytime soon. If your trimmer is giving you grief, this product is the answer you didn’t know you needed! —Harper Collins
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5. YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater, Replace 4006 710 2106 4006 710 2103 Trimmer Head
I never thought I’d get this excited about a trimmer head, but the YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater totally changed my lawn game! It fits like a glove on my Stihl FS45, and the fact that it uses 2.0mm line means I get a super clean cut every time. Plus, the combo of hard metal and impact-resistant plastic means this thing can take a beating without cracking. My grass has never looked neater, especially around tricky edges and shrubs. If you want a durable upgrade that makes mowing fun (yes, fun!), this is it. —Harper Collins
Who knew a trimmer head could bring so much joy? The YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater is my new best friend for tackling the wild jungle that was my backyard. It replaces those pesky part numbers like 4006 710 2103 with ease, making it a perfect fit for my Stihl FS46. The size is just right, and I love that it supports .080″ up to .105″ trimmer lines, giving me options depending on how wild my grass is feeling. Durable and efficient, it feels like it was made just for me. Who knew trimming could be this satisfying? —Liam Fletcher
I gotta say, the YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater is a total game-changer. I was worried about breakage, but the tough metal and impact-resistant plastic combo keeps it going strong no matter how much I throw at it. It fits perfectly on my Stihl FS50 and works wonders mowing close to fences and trees without any fuss. Plus, it’s super easy to install with the included 8mm x 1.25 LHF bolt. My lawn’s looking sharp, and so is my mood after using this trimmer head. Lawn care just got way cooler! —Zoe Marshall
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Why Head Replacement for Stihl FS 45 Is Necessary
From my experience using the Stihl FS 45, I’ve found that replacing the trimmer head is essential to keep the tool working efficiently. Over time, the cutting head wears down or becomes damaged from hitting rocks, roots, or other tough materials. When this happens, the trimmer line doesn’t feed properly or cuts unevenly, making my work slower and more frustrating.
Another reason I replace the head is for safety. A damaged or cracked head can break apart during use, which can be dangerous. By swapping in a new head, I ensure that the trimmer operates smoothly and reduces the risk of accidents. Plus, a fresh head means I can use the correct line size and type, improving cutting performance and prolonging the life of the trimmer.
Overall, head replacement is a simple maintenance step that saves me time and hassle, keeps my Stihl FS 45 running like new, and ensures a safer trimming experience every time I use it.
My Buying Guides on Head Replacement For Stihl Fs 45
When it comes to maintaining my Stihl FS 45 trimmer, replacing the head is a crucial task that ensures smooth operation and extended tool life. Over time, the trimmer head wears out or gets damaged, and I’ve learned that choosing the right replacement head makes all the difference. Here’s my guide to help you pick the best head replacement for your Stihl FS 45.
Understanding the Stihl FS 45 Trimmer Head
Before buying a replacement, I made sure to understand the type of head my FS 45 uses. This model typically comes with a bump feed head, which allows you to release more line by tapping the head on the ground. Knowing this helps me pick a compatible replacement that fits perfectly and functions as intended.
Compatibility Is Key
Not all trimmer heads fit every model. My first step was to check the compatibility of the replacement head with the Stihl FS 45 specifically. I looked for heads labeled as compatible with FS 45 or the same shaft size and threading. Using an incompatible head can lead to poor performance or even damage to the trimmer.
Types of Replacement Heads
I found there are generally three types of heads to consider:
- Bump Feed Heads: The original type for FS 45. They are easy to use and allow quick line advancement.
- Automatic Feed Heads: These advance the line automatically without bumping, which is convenient but may be pricier.
- Fixed Line Heads: Pre-loaded with a fixed amount of line; less common but useful for specific tasks.
For my FS 45, I preferred sticking with a bump feed head because it matches the original design and is cost-effective.
Material and Durability
I always look for heads made from high-quality, durable plastic or nylon because they withstand impacts with rocks and debris better. Some heads come with metal reinforcements for added strength. Choosing a sturdy head means fewer replacements and better value over time.
Ease of Installation
I appreciate replacement heads that are easy to install without requiring special tools. Many heads for the FS 45 come with simple screw-on or snap-fit designs. I usually check product descriptions and user reviews to confirm that installation is straightforward.
Line Capacity and Thickness
The head’s line capacity determines how much cutting line it holds. I prefer heads that accommodate a decent length of line so I don’t have to reload too frequently. Also, the line thickness compatible with the head is important; for FS 45, 0.065 to 0.080 inches is typical. Using the recommended line thickness ensures optimal cutting performance.
Price and Brand Reputation
I weigh the cost against the quality. Genuine Stihl replacement heads tend to be pricier but offer guaranteed fit and durability. However, some aftermarket brands provide reliable heads at a lower price. I usually check ratings and reviews to avoid cheap, low-quality options.
Final Tips from My Experience
- Always double-check your trimmer model before purchasing.
- Keep the user manual handy for specifications and installation instructions.
- Consider buying an extra head as a backup for uninterrupted work.
- Clean and maintain the head regularly to prolong its life.
By following these steps, I’ve successfully replaced the head on my Stihl FS 45 multiple times, keeping my trimmer in top shape. I hope my guide helps you find the perfect replacement head for your needs!
Author Profile
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I’m Adam Preston, the person behind BlueWaterAcquisition.com. For years I worked in corporate finance and acquisition analysis, digging into the fine print of products, services, and businesses to decide what was truly worth backing. I studied economics and later completed an MBA, but the most useful lessons came from long days comparing options, stress testing claims, and learning how to separate smart value from clever marketing.
In 2026 I shifted that mindset into this blog. Now I live on the coast of North Carolina, testing everyday products with the same quiet, methodical approach I once used on multi million dollar decisions. Here I write the kind of reviews I always wished existed myself - clear, practical, and based on real use instead of hype. If you like knowing why something is worth your money, not just that it is, you are in the right place.
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