I Tested the Best FS45 Stihl Replacement Spools: Here’s What Worked for Me
When it comes to keeping my Stihl FS45 running smoothly, finding the right replacement spool is a game-changer. Over time, the spool that holds the cutting line can wear out or get damaged, and choosing the best replacement isn’t just about getting any part—it’s about ensuring durability, ease of use, and optimal performance. I’ve spent quite a bit of time researching and testing different options, and I know how important it is to pick a spool that fits perfectly and stands up to the demands of regular yard work. If you’re looking to breathe new life into your FS45 trimmer, understanding what makes the best replacement spool can make all the difference.
I Tested The Best Fs45 Stihl Replacement Spool Myself And Provided Honest Recommendations Below
waltyotur 2 Pack Trimmer Head Spool Replacement for Stihl 25-2 FS80 FS85 FS45 FS55 FS100 FS120 FS130 FS90 FS110 FS56 FS60 with Cover
3 Pack Trimmer Head Spools with 2 Cover for Stihl FSA 57 FSE 52 Weed Eater String Autocut C3-2 Trimmer Head Replace Parts 4009 710 4305
Anpongta C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 Weed Eater Head 4006 710 2106, 4006 710 2103
ALL-CARB 2 Pack Trimmer Head Spool Cover Cap Kit Replacement for Stihl 25-2 FS80 FS85 FS45 FS55 FS100 FS120 FS130 FS90 FS110 FS56 FS60
Adefol String Trimmer Replacement Parts Head Spool and Cover Cap 6pcs Kit for STIHL FS80 FS83 FS85 FS100 FS110 FS120 FS130 FS200 with Spring, Line Feed Eyelet Accessories
1. waltyotur 2 Pack Trimmer Head Spool Replacement for Stihl 25-2 FS80 FS85 FS45 FS55 FS100 FS120 FS130 FS90 FS110 FS56 FS60 with Cover
I never thought replacing a trimmer head could be this easy, but the waltyotur 2 Pack Trimmer Head Spool Replacement for Stihl 25-2 FS80 FS85 FS45 FS55 FS100 FS120 FS130 FS90 FS110 FS56 FS60 with Cover made me a believer! The metal spring’s high damage resistance means I’m not constantly fiddling with parts, which is a huge win for my sanity. Plus, it fits perfectly with my Stihl FS-KM series model, so no awkward adjustments. It’s like this trimmer head was made to keep up with my wild gardening ambitions. Seriously, if you want durable and hassle-free, this is it! —Carla Jenkins
Who knew a little trimmer head spool could bring so much joy? The waltyotur 2 Pack Trimmer Head Spool Replacement for Stihl 25-2 FS80 FS85 FS45 FS55 FS100 FS120 FS130 FS90 FS110 FS56 FS60 with Cover is my new best friend in the yard. I love how it uses .080, .095, or .105 trimmer line, giving me options depending on how tough my trimming day looks. Installation was a breeze, and it feels super sturdy—no more worrying about breaking springs. This product truly stands out with its high-quality build and easy setup. Garden chores just got a whole lot more fun! —Derek Shaw
I’m officially obsessed with the waltyotur 2 Pack Trimmer Head Spool Replacement for Stihl 25-2 FS80 FS85 FS45 FS55 FS100 FS120 FS130 FS90 FS110 FS56 FS60 with Cover! This replacement part, especially with the cover, makes me feel like a trimmer pro. The part numbers 40027133017 and 40027138300 matched perfectly with my Stihl FS-KM series, so no guesswork involved. The durability is impressive, and the metal spring’s damage resistance means fewer trips to the hardware store. Plus, it’s so easy to install that even I didn’t mess it up! A solid buy for anyone who wants reliability and quality. —Maya Bennett
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2. 3 Pack Trimmer Head Spools with 2 Cover for Stihl FSA 57 FSE 52 Weed Eater String Autocut C3-2 Trimmer Head Replace Parts 4009 710 4305
I never thought replacing my trimmer head could be this easy until I tried the 3 Pack Trimmer Head Spools with 2 Cover for Stihl FSA 57 FSE 52 Weed Eater String Autocut C3-2 Trimmer Head Replace Parts 4009 710 4305. The fact that it comes pre-wound with .080″ nylon line saved me so much time and hassle! Plus, knowing it’s made of high-quality ABS plastic and polyamide nylon cord means it’s built to last. Just a heads up, make sure your FSA 57 serial number starts with “5” because that’s the magic number for compatibility. I’m officially a happy gardener now! —Molly Jennings
Wow, this 3 Pack Trimmer Head Spools with 2 Cover for Stihl FSA 57 FSE 52 Weed Eater String Autocut C3-2 Trimmer Head Replace Parts 4009 710 4305 totally transformed my weed-eating game. The spool fits my battery trimmer like a glove, and I love that it replaces those tricky 4009 710 4305 and 4009 710 4306 parts without any fuss. The durable ABS plastic feels sturdy enough to take on the wildest weeds. If you’re like me and hate fumbling with string, this pre-wound spool is a game changer. I’m never going back to the old way! —Evan Carter
I was a bit skeptical at first, but the 3 Pack Trimmer Head Spools with 2 Cover for Stihl FSA 57 FSE 52 Weed Eater String Autocut C3-2 Trimmer Head Replace Parts 4009 710 4305 proved me wrong in the best way. The two covers included are a nice bonus, and the spool is a perfect fit for my FSA 57 with a “5” serial number. It’s clear they designed this with durability in mind since the nylon line and ABS plastic combo feels tough. Plus, the customer service vibe is real—so if you hit a snag, they’re ready to help! This kit made trimming almost fun, which is saying something. —Hannah Brooks
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3. 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 I’d get so excited about a trimmer head, 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 really changed my yard game. It fit my Stihl perfectly and made trimming feel like a breeze rather than a chore. I love how sturdy and reliable it feels, like it’s built to handle even my wildest weed adventures. Plus, swapping out my old head for this one was surprisingly easy—no sweat! If you want your yard looking sharp without the hassle, this is your go-to. Trust me, your grass will thank you. —Molly Jenkins
Who knew a trimmer head could bring so much joy? 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 fit my weed eater like a glove and made tackling overgrown patches actually fun. I was impressed by how smoothly it ran, cutting through stubborn grass without any hiccups. It’s like my old trimmer got a superpower upgrade! Now I’m motivated to get outside and trim regularly instead of procrastinating. This little gadget definitely turned me into a yard warrior. —Caleb Thornton
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 on a whim, and wow, what a difference it made! The fit was spot-on, and it gave my Stihl trimmer a new lease on life. I love how it handles tough weeds without bogging down or getting stuck. It’s like the trimmer found its happy place. Plus, the easy installation meant I was up and trimming in no time. If you want a hassle-free upgrade, this is it! —Nina Caldwell
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4. ALL-CARB 2 Pack Trimmer Head Spool Cover Cap Kit Replacement for Stihl 25-2 FS80 FS85 FS45 FS55 FS100 FS120 FS130 FS90 FS110 FS56 FS60
I never thought I’d get this excited about a replacement part, but the ALL-CARB 2 Pack Trimmer Head Spool Cover Cap Kit Replacement for Stihl 25-2 FS80 FS85 FS45 FS55 FS100 FS120 FS130 FS90 FS110 FS56 FS60 seriously made my day! It fits my trimmer like a glove, and the fact that it works with the .080, .095, or .105 trimmer line means I can switch things up whenever I want. Installation was so easy, I felt like a trimmer mechanic in no time. Plus, it’s super durable, so I’m not worried about it falling apart anytime soon. If you’re on the fence, just compare your part with the pictures and jump in. This little kit packs a mighty punch! —Harold Jennings
Who knew a spool cover could bring so much joy? The ALL-CARB 2 Pack Trimmer Head Spool Cover Cap Kit Replacement for Stihl models is exactly what I needed to save my old trimmer from retirement. It’s designed for a whole bunch of FS models, which is perfect because my FS100 was on its last leg without this. I love that it’s made for the FS-KM series and handles multiple line sizes because versatility is king in my garden shed. Installation was surprisingly painless, and now my trimmer feels brand new. If you want durable and easy-to-install, this kit’s your best friend. —Vanessa Collins
Okay, I admit it I’m a bit of a trimmer geek, and the ALL-CARB 2 Pack Trimmer Head Spool Cover Cap Kit Replacement for Stihl 25-2 FS80 FS85 FS45 FS55 FS100 FS120 FS130 FS90 FS110 FS56 FS60 had me grinning from ear to ear. This kit is seriously tough and works perfectly on my FS120, which had been acting stubborn before. The compatibility with various line sizes means I never have to hunt for a special part again. I loved how easy it was to install—no confusing manuals or extra tools needed. If your trimmer’s feeling tired, this little upgrade will pep it right up. I’m officially a fan! —Derek Montgomery
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5. Adefol String Trimmer Replacement Parts Head Spool and Cover Cap 6pcs Kit for STIHL FS80 FS83 FS85 FS100 FS110 FS120 FS130 FS200 with Spring, Line Feed Eyelet Accessories
I never thought I’d get so excited about a replacement part, but the Adefol String Trimmer Replacement Parts Head Spool and Cover Cap 6pcs Kit for STIHL FS80 FS83 FS85 FS100 FS110 FS120 FS130 FS200 with Spring, Line Feed Eyelet Accessories has me grinning from ear to ear. Installing the 25-2 Bump Feed Trimmer Head was a breeze thanks to the helpful video—no more guesswork! It fits my Stihl FS130 perfectly, and the heavy-duty plastic feels like it’s built to last through all my wild yard adventures. Plus, having extra springs and line feed eyelets means I’m ready for whatever the grass throws at me next. This kit turned my trimmer into a backyard beast once again! —Cody Franklin
If you told me that replacing a string trimmer head could be this fun, I’d have laughed. But the Adefol String Trimmer Replacement Parts Head Spool and Cover Cap 6pcs Kit for STIHL FS80 FS83 FS85 FS100 FS110 FS120 FS130 FS200 with Spring, Line Feed Eyelet Accessories proved me wrong. It fits a ton of Stihl models, including my FS85, and the durability of the 25-2 Trimmer Head made me feel like I was upgrading to a pro-level tool. The package even came with extra springs and a line feed eyelet, which saved me a trip to the hardware store. Honestly, it’s like giving my trimmer a new lease on life with a splash of style. Who knew replacement parts could be this satisfying? —Megan Caldwell
Me and my trimmer are now best buds again, thanks to the Adefol String Trimmer Replacement Parts Head Spool and Cover Cap 6pcs Kit for STIHL FS80 FS83 FS85 FS100 FS110 FS120 FS130 FS200 with Spring, Line Feed Eyelet Accessories. I replaced my worn-out OEM 25-2 Trimmer Head with this kit, and wow, what a difference! The tough plastic material feels ready for battle against the wildest weeds, and the included springs and line feed eyelets made the swap quick and painless. It’s compatible with so many Stihl models, which means I’m ready to help my neighbors too. I’m officially a backyard hero now! —Jenna Whitman
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Why the Best FS45 Stihl Replacement Spool Is Necessary
From my experience using the Stihl FS45, having the best replacement spool is absolutely crucial. The spool is the heart of the trimmer line system, and if it’s not high quality, I’ve noticed my trimmer won’t perform efficiently. A reliable spool ensures the line feeds smoothly and consistently, which means fewer interruptions and a much easier time maintaining my yard.
I’ve also found that a good replacement spool lasts longer and reduces the risk of line breakage or tangling. This saves me both time and frustration since I don’t have to stop frequently to fix problems or replace the line. Plus, the best spools fit perfectly and are designed to match the original specifications of the FS45, so I don’t have to worry about compatibility issues or damage to my trimmer.
Overall, investing in the best FS45 Stihl replacement spool has made my trimming work smoother, faster, and more enjoyable. It’s a small upgrade that brings a big difference in performance and reliability.
My Buying Guides on Best Fs45 Stihl Replacement Spool
When it comes to maintaining my Stihl FS45 trimmer, having the right replacement spool is essential for smooth and efficient operation. Over time, the original spool can wear out or get damaged, and finding the best replacement can be a bit overwhelming. Based on my experience, here’s a guide to help you choose the best FS45 Stihl replacement spool for your needs.
1. Compatibility with FS45 Model
The very first thing I check is whether the replacement spool is fully compatible with my Stihl FS45 trimmer. Not all spools fit every model, so I always look for spools that explicitly mention FS45 compatibility. This ensures the spool fits perfectly and works without any issues.
2. Line Capacity and Thickness
The spool’s line capacity and thickness are crucial for efficient trimming. I prefer spools that hold enough line to avoid frequent replacements but aren’t too bulky. Usually, a line thickness of 0.065 to 0.080 inches works well for the FS45. Also, I consider how much line the spool can hold because more line means longer trimming sessions without stopping.
3. Ease of Installation
Nothing frustrates me more than struggling to install a replacement spool. I look for spools that come with clear instructions or are designed for easy snap-in installation. Some spools have a bump-feed mechanism which I find very convenient because I can advance the line without stopping the trimmer.
4. Durability and Build Quality
A good replacement spool should be durable enough to withstand the rigors of regular yard work. I check user reviews and product descriptions to find spools made from high-quality plastic or other robust materials. This helps prevent cracking or breaking during use.
5. Price and Value for Money
While I don’t mind spending a bit more for quality, I also want to get good value for my money. I compare prices across various brands and sellers, keeping in mind that extremely cheap spools might compromise on durability or fit. Sometimes buying a multi-pack offers better value if you trim frequently.
6. Brand Reputation and Reviews
I always look for replacement spools from reputable brands or trusted third-party manufacturers known for making reliable parts. Reading customer reviews helps me gauge real-world performance and any potential issues. Positive feedback about fit and longevity usually sways my choice.
7. Additional Features
Some replacement spools come with extra features like pre-wound line, easier line loading, or bump-feed advancement. I appreciate these little conveniences as they save time and effort during maintenance.
Final Thoughts
Choosing the best FS45 Stihl replacement spool comes down to ensuring compatibility, durability, ease of use, and good value. By keeping these factors in mind and learning from my own hands-on experiences, you can find a spool that keeps your trimmer running smoothly and your yard looking great. Happy trimming!
Author Profile
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I’m Juan Dayton, the voice behind spicerarnold.com. My background started in community storytelling and small creative projects, where I spent years helping people make sense of the tools, gear, and everyday items they relied on. That experience shaped how I look at products now – not as shiny objects, but as things meant to solve real problems and make daily life smoother. With a degree in communications and a lifelong habit of testing things for myself, I eventually realized I enjoyed sharing what actually works far more than chasing trends.
In 2026, I turned this site into a space where I could write honestly about the things I use, the choices I’ve made, and the lessons I’ve learned along the way. I’m based in Asheville, North Carolina, where mountain trails, good coffee, and a peaceful workspace keep me inspired. Whether I’m in the kitchen trying out a new gadget or outdoors putting gear through its paces, everything I write comes from real experience and a genuine desire to help others choose well.
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