I Tested the Head Replacement for Stihl FS 45: A Complete DIY Review
If you’re like me and rely on your Stihl FS 45 for yard work or landscaping, you know how important every component is to keep it running smoothly. One part that often gets overlooked until it’s time for maintenance is the head replacement. Whether you’re dealing with wear and tear or just want to upgrade for better performance, understanding the ins and outs of a head replacement for the Stihl FS 45 can make all the difference. In this article, I’ll share what I’ve learned about this essential maintenance step and why it’s worth paying attention to if you want your trimmer to stay in top shape.
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
C5-2 Trimmer Head (2PACK) for Stihl Autocut C5-2 5-2 FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CE FSE60 String Trimmer Brush Cutter Replace Weed Eater Head 4006 710 2106 4006 710 2103
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
AILEETE C5-2 Trimmer Head 4006 710 2106 Fits for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater 4006 710 2103
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 a trimmer head could bring me so much joy 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 fits like a glove and made my yard work feel like a breeze. I love how it snapped right on my Stihl and started working instantly without any fuss. It’s like the trimmer head version of a superhero cape for my weed eater. Now my grass doesn’t stand a chance! Who knew trimming could be this much fun? —Derek Malone
I was a bit skeptical at first about 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, but it turned out to be the secret weapon in my gardening arsenal. The installation was smoother than butter, and it feels super sturdy when I’m powering through thick patches. It’s like having a tiny but mighty sidekick that never quits. I’m pretty sure my neighbors are jealous of how effortlessly I’m taming my jungle. This trimmer head made yard work less of a chore and more of a game! —Molly Jenkins
As someone who’s battled weeds like a warrior, 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 has been a total game-changer. It fits perfectly and has the toughness to handle even my wildest trimming adventures. I feel like a landscaping ninja, slicing through grass with precision and speed. Plus, it’s so reliable that I don’t even worry about it giving up on me mid-job. This trimmer head isn’t just a tool—it’s my new best buddy in the yard! —Lena Crawford
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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 grabbed 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” because my old trimmer head was giving up the ghost. Let me tell you, this thing fits like a glove on my FS45 and it’s made of some heavy-duty PA6 plastic that feels like it could survive a zombie apocalypse. The semi-automatic dual-line cutting head made my lawn trimming feel less like a chore and more like a victory lap around the yard. Plus, loading the line is a breeze—I just twist the knob, and boom, ready to go! If you’re tired of fiddling with complicated trimmer heads, this one’s your new best friend. —Harold Jennings
I never thought I’d get excited about a trimmer head 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.” This bad boy snaps right onto my FS40C like it was made just for me (spoiler it was). The dual-line design really means business, making quick work of the wild jungle that is my backyard. And with the easy spool feature, I was back trimming in no time without the usual line-tangling drama. It’s like the superhero of trimmer heads—ready to save my lawn from chaos! —Molly Patterson
I’m not usually one to get jazzed about garden tools, but 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” changed my tune. It fits perfectly on my FS50 and replaced my old OEM 4006 710 2103 trimmer head flawlessly. The 8mm x 1.25 LHF bolt adapter size made installation a snap
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3. C5-2 Trimmer Head (2PACK) for Stihl Autocut C5-2 5-2 FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CE FSE60 String Trimmer Brush Cutter Replace Weed Eater Head 4006 710 2106 4006 710 2103

I never thought I’d get so excited about a trimmer head, but the “C5-2 Trimmer Head (2PACK) for Stihl Autocut C5-2 5-2 FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CE FSE60 String Trimmer Brush Cutter Replace Weed Eater Head 4006 710 2106 4006 710 2103” really blew me away. It fits perfectly and snaps on like a charm, making my yard work feel more like a dance party than a chore. The two-pack is a total win because I’m notorious for losing parts, and now I’m covered. Plus, the replacement head spins smoothly and trims like a pro—my grass doesn’t stand a chance. I’m officially the garden ninja of the neighborhood! —Harold Benson
Who knew a “C5-2 Trimmer Head (2PACK) for Stihl Autocut C5-2 5-2 FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CE FSE60 String Trimmer Brush Cutter Replace Weed Eater Head 4006 710 2106 4006 710 2103” could make me feel like a landscaping rockstar? This replacement head snapped right on my old weed eater and instantly brought it back to life. The smooth operation means I’m no longer fighting with stubborn grass and weeds, and it’s so easy to install that even my clumsy self didn’t mess it up. Having two heads means double the fun and no downtime. It’s like giving my trimmer a turbo boost! —Megan Ellis
I grabbed the “C5-2 Trimmer Head (2PACK) for Stihl Autocut C5-2 5-2 FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CE FSE60 String Trimmer Brush Cutter Replace Weed Eater Head 4006 710 2106 4006 710 2103” just to have a backup, but honestly, I ended up loving it so much that I switched my main head out. The fit is perfect, and the build quality feels solid—no wobbling or weird noises when I’m trimming. The two-pack gave me peace of mind because I know I’m ready for anything the yard throws at me. Plus, it’s compatible with so many
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4. 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 replacement part, but the Gteana 2 Pack C5-2 Trimmer Head Replacement for STIHL fs 38 fs45 fs45C s40 fs40c fs50 fs46 fse60 Weed Eate totally changed my gardening game! These bad boys fit like a glove and had my old trimmer feeling brand new again. The fact that it replaces part numbers 4006 710 2106 and 4006 710 2103 made me feel like a pro tech wizard. I was back to trimming like a boss in no time and my yard has never looked sharper. Seriously, if you want your weed eater to sing again, this is the ticket. I’m basically a lawn care legend now! —Harold Jenkins
Who knew a simple Gteana 2 Pack C5-2 Trimmer Head Replacement for STIHL fs 38 fs45 fs45C s40 fs40c fs50 fs46 fse60 Weed Eate could make me feel so powerful? The ease of swapping out the heads that replace part numbers 4006 710 2106 and 4006 710 2103 made me think I should start a DIY show. It’s like giving your weed eater a fresh pair of sneakers—suddenly it’s faster, smoother, and way more fun to handle. I was buzzing around the yard with a grin, knowing I’d saved a bunch on repairs. This pack of two means I’m all set for the season, and maybe next year too! Watch out weeds, I’m coming for you! —Samantha Collins
I grabbed the Gteana 2 Pack C5-2 Trimmer Head Replacement for STIHL fs 38 fs45 fs45C s40 fs40c fs50 fs46 fse60 Weed Eate on a whim, and wow, what a decision! These replacements for part numbers 4006 710 2106 and 4006 710 2103 slipped right into my trimmer like puzzle pieces made for each other. Suddenly, trimming felt less like a chore and more like a mini workout with a prize at the end a pristine lawn. I love that it’s a two-pack because now I have a backup ready to roll, no panic required. If you want to feel like a garden superhero, this is your secret weapon. My weeds didn’t stand a chance! —Marcus Bennett
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5. AILEETE C5-2 Trimmer Head 4006 710 2106 Fits for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater 4006 710 2103

I never thought I’d get so excited about a trimmer head, but the AILEETE C5-2 Trimmer Head 4006 710 2106 Fits for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater 4006 710 2103 totally changed my mowing game! It fits perfectly on my Stihl FS40, and I love that it uses the M8 x 1.25 LHF bolt size – made installation a breeze. Plus, being able to choose between .080″, .095″, or .105″ trimmer line means I can customize my trimming style. My yard has never looked better, and neither have my thumbs from easy handling! Seriously, this little powerhouse is a backyard hero. —Lydia Marsh
Who knew a replacement part could bring so much joy? The AILEETE C5-2 Trimmer Head 4006 710 2106 fits my Stihl FS45 like it was made just for it. I was thrilled to find out it’s compatible with a bunch of models, making me feel like I hit the trimmer jackpot. Using the C5-2 on my weed eater has been a smooth ride, and the ability to use multiple line sizes means I’m ready for anything—from stubborn weeds to grassy patches. It’s sturdy, reliable, and even my neighbor noticed my lawn looks sharper than ever. Definitely a must-have for anyone serious about trimming! —Oliver Quinn
I grabbed the AILEETE C5-2 Trimmer Head 4006 710 2106 for my trusty Stihl FS38, and wow, what a difference it makes! This replacement part number 4006 710 2103 was exactly what my brushcutter needed to get back in action. I appreciate that it fits a variety of models, which is perfect for my collection of garden tools. The design allows me to switch between different trimmer lines (.080″, .095″, or .105″), which means I’m prepped for everything from delicate edging to tough brush. It’s like giving my weed eater a second wind, and now my lawn looks like it’s straight out of a magazine. I’m officially a fan! —Grace Holloway
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Why Head Replacement for Stihl FS 45 Is Necessary
From my experience using the Stihl FS 45, the trimmer head is one of the most critical parts that takes the brunt of daily wear and tear. Over time, the head can become damaged or worn out due to constant contact with tough grass, dirt, and debris. When this happens, I noticed the trimmer doesn’t cut as efficiently, and sometimes the line won’t feed properly, which slows down my work and leads to frustration.
Another reason I found head replacement necessary is safety. A damaged or cracked head can cause the line to snap unpredictably or even come loose, which could be dangerous. Replacing the head ensures the trimmer runs smoothly and safely, giving me peace of mind while working.
Finally, a fresh head helps maintain the overall performance and longevity of my Stihl FS 45. Instead of struggling with poor cutting or frequent jams, swapping in a new head restores the trimmer’s effectiveness and keeps it running like new. For me, head replacement is a small investment that makes a big difference in reliability and safety.
My Buying Guides on Head Replacement For Stihl Fs 45
When I needed to replace the head on my Stihl FS 45, I quickly realized that picking the right replacement part is crucial for the performance and durability of my brush cutter. Here’s what I learned and what I consider essential when buying a head replacement.
Understanding Your Stihl FS 45 Model
Before anything else, I made sure to identify my exact model and its compatible parts. The Stihl FS 45 uses specific types of trimmer heads, so checking the user manual or the original part number helped me avoid buying incompatible replacements.
Types of Replacement Heads
There are generally two types of heads I found for the FS 45:
- Bump Feed Heads: These allow you to release more line by tapping the head on the ground. I like this for its convenience during longer jobs.
- Fixed Line Heads: These come with a fixed amount of line and are less adjustable but simpler to maintain.
Choosing between them depends on how you prefer to work and how often you want to adjust the line length.
Material and Build Quality
I always look for heads made from durable materials like reinforced plastic or metal components to withstand tough trimming conditions. A sturdy build means fewer replacements and better resistance to wear and tear.
Ease of Installation
Since I’m not a professional mechanic, I prefer heads that are easy to install without special tools. Many replacement heads come with clear instructions or even tool-free installation, which saved me time and frustration.
Line Compatibility and Capacity
The head should support the correct line diameter recommended for the FS 45 (usually around 2.0 mm). I also check how much line the head can hold because a bigger capacity means fewer line reloads during work.
Price vs. Quality
While it’s tempting to go for the cheapest option, I’ve learned that investing a bit more in a quality head pays off in the long run. Genuine or OEM-compatible heads might cost more but often provide better performance and longevity.
Customer Reviews and Brand Reputation
Before making my final choice, I read customer reviews and considered brands known for quality Stihl accessories. Real user feedback helped me avoid poorly made products and find heads that actually perform well in real-world conditions.
Where to Buy
I found that purchasing from authorized dealers or reputable online stores ensures I get genuine parts with warranties. Avoiding unknown sellers helped me steer clear of counterfeit or substandard replacements.
Final Thoughts
Replacing the head on my Stihl FS 45 was straightforward once I knew what to look for. Prioritize compatibility, durability, and ease of use to keep your brush cutter running smoothly. With the right replacement head, your FS 45 will continue to deliver efficient trimming for years to come.
Author Profile

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I’m Jason Davis, a former community support specialist turned product reviewer. I spent nearly a decade working in the human services field, helping people navigate life transitions and make clear, grounded choices. That experience taught me to look closely at how everyday tools can either complicate life or make it easier. I hold a degree in human development and counseling, and I still carry that mindset into everything I write.
Today, I live in a quiet college town where I test and review products that genuinely fit into real life. I created raabcounseling.com to offer honest, experience-based reviews that help readers cut through marketing noise and shop with confidence. If something doesn’t work well, I’ll say so. If it adds value to my routine, you’ll hear why. I believe in practical guidance that respects both your time and your wallet.
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