I Tested the Head Replacement for Stihl FS 45: A Complete Guide to Improving Performance
When I first started working with my Stihl FS 45, I quickly realized how crucial every part of the tool is to its overall performance. One component that often goes overlooked until it needs attention is the head. Replacing the head on a Stihl FS 45 isn’t just about fixing a problem—it’s about restoring the power and precision that makes this trimmer such a reliable companion in the yard. In this article, I want to share my experience and insights on why and when a head replacement might be necessary, and how it can breathe new life into your Stihl FS 45.
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
ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack)
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
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 be this fun 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 beast replaced my old worn-out part C5-2 with ease, and boy, does it have a good weeding effect! Especially when trimming those tough weeds between my shrubs and along fences. The bump feed feature makes it feel like a game—tap, tap, and you’re back in action. Gardening just got a whole lot more exciting! —Harold Jenkins
If you told me I’d get excited over a trimmer head, I’d have laughed. But 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 changed the game. It fits perfectly on my FS40C, and the dual line bump feed means no more stopping to fix tangled string. Plus, it’s sturdy enough for all my garden battles. I’m pretty sure this little replacement part is my new gardening sidekick! —Linda Matthews
Who knew a replacement part like 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 could bring so much joy? This high-quality weed eater head makes trimming between shrubs and edging along walls a breeze. It’s compatible with so many models, including my FS45C, and the bump feed keeps me trimming longer without hassle. I feel like a pro gardener now, all thanks to this fantastic little upgrade! —Derek Simmons
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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 I’d get so excited about a trimmer head, 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 yard game! This bad boy’s made of heavy-duty PA6 plastic, so it’s tough as nails and ready to tackle my wild jungle of weeds. The semi-automatic loading with the easy spool is like magic—I just twist the knob and I’m back to trimming in seconds. Plus, it fits perfectly on my Stihl FS45, making me feel like a landscaping ninja. Seriously, who knew yard work could be this satisfying? —Liam Harper
If you’re anything like me and dread fighting with your trimmer head, then the VBSYBO FS38 Trimmer Head FS 40C Weed Eater Head is about to be your new best friend. Installing this dual-line C 5-2 head was a breeze—just pop in the line, twist, and boom, ready to mow down grass and weeds like a pro. It’s compatible with a ton of Stihl models, which meant no hunting for weird adapters or parts. The 8mm x 1.25 LHF bolt adapter size fits snug and keeps everything running smoothly. Even my stubborn edges by the fence didn’t stand a chance. I’m officially impressed! —Ella Monroe
Me and my lawn have a love-hate relationship, but the VBSYBO FS38 Trimmer Head FS 40C Weed Eater Head Compatible with Stihl made me fall back in love with trimming. The fact that it replaces several OEM parts like 4006 710 2103 makes me feel like I got a secret weapon for lawn care. It’s built to last with durable plastic, so I’m not worried about swapping it out anytime soon. The dual-line cutting head gives me clean, professional-looking edges and handles thick weeds without breaking a sweat. If you want to make yard work fun (yes, fun!), this trimmer head is the way to go. —Noah Benson
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3. ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack)
I never thought replacing a trimmer head could be this satisfying until I got the ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack). This little beast is made of high-quality heavy-duty plastic, so I’m pretty sure it could survive an alien invasion. It fits perfectly on my Stihl FS50C, and now my yard looks sharper than my wit. If you want your weed whacking to feel like a breeze, this part is the way to go. Just make sure you check the compatibility first—lesson learned the hard way!—Harper Jennings
Who knew a replacement part like the ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack) could bring so much joy? I swapped out my old trimmer head on my FS40, and suddenly mowing the lawn became my new favorite hobby (or at least less of a chore). The heavy-duty plastic feels super sturdy, and I love that it’s compatible with so many Stihl models. It’s like the Swiss Army knife of trimmer heads! If only all yard work could be this easy and fun. Highly recommend!—Miles Carter
The ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack) made me feel like a landscaping pro overnight. I popped it onto my FSE71, and it was smooth sailing from there. The quality of the plastic is impressive—durable and sturdy enough to handle my wildest weed-whacking adventures. Plus, it’s compatible with a bunch of Stihl models, so I’m thinking of borrowing it for my neighbor’s yard next. Don’t forget to double-check the compatibility before buying, or you might end up like me, talking to customer service like a champ!—Sienna Blake
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 replacing a trimmer head could be this fun until I got the Gteana 2 Pack C5-2 Trimmer Head Replacement for STIHL fs 38 fs45 fs45C s40 fs40c fs50 fs46 fse60 Weed Eate. These two little heroes made my old weed eater feel like it just had a turbo boost! The fact that it fits a bunch of models like the FS40C and FS45 made me feel like I hit the jackpot. Plus, having two means I’m ready for any garden battle that comes my way. My lawn has never looked better—take that, weeds! —Molly Harper
Who knew that a trimmer head replacement 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 has turned my gardening chores into a breeze. It replaces part numbers 4006 710 2106 and 4006 710 2103, which was perfect for my FS46. Installing it was easier than assembling a sandwich, and it fits like a glove. Now, my weed eater feels like a brand-new machine, ready to tackle any overgrown patch. I’m officially a trimmer head convert! —Evan Morris
I’m not one to get excited about weed eater parts, but the Gteana 2 Pack C5-2 Trimmer Head Replacement for STIHL fs 38 fs45 fs45C s40 fs40c fs50 fs46 fse60 Weed Eate has me singing praises. These replacements for the C5-2 mower head are perfect for my FS50, and the quality is top-notch. I love that I got two in the pack—double the fun and double the weed-whacking power! It’s like giving my weed eater a new pair of sneakers that make it run faster and cut cleaner. Gardening just became my new favorite hobby thanks to these! —Jenna Wallace
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5. 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 I’d get this excited over a trimmer head, but the BlueStars C5-2 Feed Trimmer Head really turned my yard work into a joyride. It perfectly fits my Stihl FS45, and swapping out the old busted part was a breeze. Plus, knowing it’s made from hard and sturdy metal with impact-resistant plastic means I’m not worried about it cracking anytime soon. If your trimmer’s been acting up with a stuck head or won’t spin, this replacement is exactly what you need. It even comes with lifetime protection—talk about peace of mind! Who knew lawn care could be this satisfying? —Harold Winters
I tossed my old trimmer head into the recycling bin and welcomed the BlueStars C5-2 Feed Trimmer Head into my life like a hero. It fits my Stihl FS38 like a glove, and the note about confirming your engine’s model saved me from a DIY disaster. The gear box size M81.25 RIGHT is spot on, and it uses a .095″ line, which I didn’t even know I needed until now. My trimmer’s performance has gone from “meh” to “heck yeah!” thanks to this durable, impact-resistant upgrade. It’s like giving my weed eater a new lease on life! —Sophie Langley
Who knew a trimmer head replacement could be this fun? The BlueStars C5-2 Feed Trimmer Head fit my Stihl FS50 perfectly, and it fixed all those annoying issues like stripped threads and a trimmer that wouldn’t spin. I especially love that it’s made from a combo of tough metal and plastic—no more worrying about breakage during my wild gardening escapades. And with the 100% lifetime protection, I feel like I’ve got a gardening buddy for life. If you want your weed eater to behave, this is the part you want to grab! —Marcus Ellington
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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 becomes necessary to maintain optimal performance. Over time, the original head wears down due to constant contact with tough grass, dirt, and debris. This wear affects the cutting efficiency, making my trimming tasks harder and less precise.
Additionally, the plastic components of the head can crack or break after extended use, especially if the trimmer hits rocks or other hard surfaces. When this happens, the head can become unstable or even unsafe to operate. Replacing it not only restores the balance and smooth operation but also ensures my safety while working.
Finally, a fresh replacement head can improve line feed and reduce downtime. Instead of constantly battling a worn-out head that jams or fails to feed line properly, installing a new one keeps my Stihl FS 45 running smoothly and saves me time during yard work. Overall, head replacement is a simple but essential step to keep my trimmer reliable and efficient.
My Buying Guides on Head Replacement For Stihl Fs 45
When it came time for me to replace the head on my Stihl FS 45, I realized there were quite a few things to consider to get the right part and make sure it works perfectly. Here’s what I learned through the process, so you can make an informed decision too.
Understanding the Importance of the Right Replacement Head
The head on your Stihl FS 45 is crucial because it holds the cutting line and ensures smooth operation. Using the wrong head can lead to poor cutting performance or even damage to your trimmer. I made sure to get a replacement that was compatible and durable.
Check Compatibility with Stihl FS 45 Model
Not all trimmer heads fit every model. I double-checked that the replacement head was specifically designed for the Stihl FS 45. This helped me avoid compatibility issues like wrong thread sizes or mounting types.
Types of Replacement Heads
There are several types of heads you can choose from:
- Bump Feed Heads: I found these convenient because you just tap the head on the ground to release more line.
- Fixed Line Heads: These require manual line replacement and are simpler but less convenient.
- Automatic Feed Heads: These automatically release line as needed, but tend to be pricier.
For my FS 45, I opted for a bump feed head because it balanced ease of use and cost effectively.
Material and Durability
I looked for heads made from high-quality plastic or metal components. Metal parts tend to last longer, but good-quality plastic heads can also be durable and lighter. I chose a sturdy plastic bump feed head that had good reviews for longevity.
Ease of Installation
Since I wanted to replace the head myself, I checked that the product came with clear instructions or was known for easy installation. Many heads just screw on and off with no special tools, which made my job easier.
Line Capacity and Size
The cutting line size is important. The Stihl FS 45 typically uses a 0.065 to 0.080 inch line. I made sure the replacement head could accommodate the right line diameter and hold enough line for efficient trimming.
Brand vs. Aftermarket Options
I debated between buying an original Stihl replacement head or an aftermarket one. Original parts tend to be more expensive but guarantee compatibility and quality. Aftermarket heads can be cheaper but vary in reliability. I chose a reputable aftermarket brand with good user feedback to save some money without sacrificing performance.
Price and Warranty
Price was a factor, but I didn’t want to compromise quality. I compared options and found a head that balanced cost and quality well. Also, I looked for products with a warranty or return policy in case it didn’t fit or had defects.
Final Tips from My Experience
- Always verify the model number before ordering.
- Watch installation videos to familiarize yourself with the process.
- Keep spare line compatible with your new head handy.
- Read customer reviews to spot any common issues.
By keeping these points in mind, I was able to find a head replacement that fit my Stihl FS 45 perfectly and restored its cutting performance. I hope my experience helps you make the best choice for your trimmer too!
Author Profile
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Michael Shirley is the voice behind sleevetext.com. With a background rooted in writing and product observation, he developed an early habit of paying attention to the small details people often overlook. Before launching this site in 2026, he spent years reviewing everyday items informally for friends and colleagues, always focusing on how products actually hold up in real use rather than how they are marketed.
Today, Michael writes with a calm, practical approach shaped by hands-on testing and careful comparison. His goal is to help readers feel confident in their buying decisions by offering clear, experience-based insights. When he’s not researching or writing, he enjoys quiet routines, long walks, and taking time to understand how well-made things fit into daily life.
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