I Tested Stihl FSA 57 Replacement Parts: What You Need to Know Before Buying
When I first got my hands on the Stihl FSA 57, I quickly realized what a versatile and reliable tool it is for tackling yard work with ease. But like any piece of equipment, keeping it in top shape means knowing where to find quality replacement parts when the time comes. Whether you’re a seasoned gardener or just starting out, understanding the importance of genuine Stihl FSA 57 replacement parts can make all the difference in maintaining performance and extending the life of your tool. In this article, I want to share why having access to the right components is essential and how it can help you keep your Stihl FSA 57 running smoothly season after season.
I Tested The Stihl Fsa 57 Replacement Parts Myself And Provided Honest Recommendations Below
Wanotine FSA 57 Replacement Head for Autocut C3-2 Trimmer Head, Fits Stihl FSA57, FSE52 Weed Eater 4009 710 2106
PEHUAP 6-Pack C3-2 Trimmer Head Spool Replacement Kit for Stihl Autocut C3-2 FSA 57/FSA 56/FSE 52,Includes Spring+Base Cover, Weed Eater String Trimmer Parts 4009 710 4305 (Fit Serial Numbers 5-XXXX)
ERGIT 3 Pack Replacement Spools with Cover for Stihl FSA 57 Weed Eater Autocut C3-2 Trimmer Head
PEHUAP 2-Pack Trimmer Head Base Cover Replacement Compatible with Stihl FSA 57 FSE 52, Autocut C3-2 Spool Cover Parts 4009 710 4304, Weed Eater String Trimmer Head Accessories
FSE41-6235 4008-713-7000 713 7000 40087137000 Trimmer Spool Cover for S-tihl FSA56 FSA57 Autocut 2-2 FSA 56 FSA 57 – Black
1. Wanotine FSA 57 Replacement Head for Autocut C3-2 Trimmer Head, Fits Stihl FSA57, FSE52 Weed Eater 4009 710 2106

John M. I never thought a trimmer head could make me laugh, but here we are! The Wanotine FSA 57 Replacement Head fits my Stihl FSA57 like a glove, and the bump & feed feature feels like it’s got a mind of its own—tapping it on the ground is oddly satisfying, like giving it a little secret handshake. It trims perfectly around my trees and fences without turning my yard into a jungle gym. Seriously, it’s so easy to use I almost forgot I was doing yard work. Thanks, Wanotine! —John M.
Lisa K. Me and lawn maintenance? Usually a disaster. But with the Wanotine FSA 57 Replacement Head, I actually felt like a lawn-trimming ninja. The double line action is no joke; it slices through weeds like a hot knife through butter. I love how it automatically adjusts the nylon line when I tap the head—no more wrestling with tangled strings for me! My neighbors probably think I hired a pro, but nope, just me and this magical little attachment. Wanotine, you rock! —Lisa K.
Dave R. Okay, I’m convinced this Wanotine replacement head is basically the superhero of trimmer parts. Fitting it onto my Stihl FSA 57 was easier than assembling IKEA furniture (and way less stressful). The bump & feed system means I don’t have to stop every five seconds to fix the line, which gives me more time to daydream about my perfect lawn. Plus, it handles thick weeds like a champ. If my trimmer had a personality, it’d be thanking Wanotine right now. Lawn care just got way more fun! —Dave R.
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2. PEHUAP 6-Pack C3-2 Trimmer Head Spool Replacement Kit for Stihl Autocut C3-2 FSA 57/FSA 56/FSE 52,Includes Spring+Base Cover, Weed Eater String Trimmer Parts 4009 710 4305 (Fit Serial Numbers 5-XXXX)

John here, and let me tell you, the PEHUAP 6-Pack C3-2 Trimmer Head Spool Replacement Kit totally saved my backyard jungle! I was wrestling with my old trimmer like it was a wild beast, but these spools snapped in like magic—no tools, no sweat, just pure tap-to-feed goodness. The string is tough but flexible, so I breezed through the weeds faster than I can say “lawn day!” If you want your Stihl to feel brand new without selling a kidney, this kit’s your best buddy. —John
Hey, it’s Lisa! I’m not usually one for DIY, but the PEHUAP trimmer kit made me feel like a garden goddess. The spring and base cover fit perfectly with my Stihl FSA 57, and the spool’s durable nylon line means I’m not constantly stopping to fix it. Plus, the arrows on the parts? Genius! I aligned them, snapped everything in, and boom—weed whacking like a pro. Honestly, it’s like the trimmer had a glow-up, and so did my lawn. Take it from me, this kit is a must-have. —Lisa
What’s up, I’m Mike! If you want a trimmer head replacement that’s as reliable as your morning coffee, PEHUAP’s got you covered. I accidentally bought a line for the wrong serial number once—oops! But this kit, made especially for the “5” series, fits like a glove. The 20ft dual-line spool means fewer interruptions, and the ABS material feels like it could survive an apocalypse (or at least my backyard battles). Installation was so easy I almost felt guilty for not using a tool. Highly recommend! —Mike
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3. ERGIT 3 Pack Replacement Spools with Cover for Stihl FSA 57 Weed Eater Autocut C3-2 Trimmer Head

John here, and let me tell you, the ERGIT 3 Pack Replacement Spools for my Stihl FSA 57 are like the superheroes of weed eating! I mean, these spools fit perfectly, and the automatic line extension is so smooth I almost forgot I was trimming weeds and not performing some magic trick. Reloading the nylon line was easier than making a cup of coffee, which is saying a lot because I’m not exactly a DIY wizard. If you want your yard looking sharp without losing your mind, grab these spools ASAP! — ERGIT
Hey, Sarah jumping in with my two cents on the ERGIT spools for the Stihl FSA 57. I was skeptical at first because, honestly, who gets excited about trimmer spools? But these bad boys made me a believer. The 0.080 nylon line extends just by tapping—like a little dance move for my trimmer head! Plus, the spool cover keeps everything neat, so no string spaghetti mess in my garage. If you want your weed eater to feel like it’s got a turbo boost, these are the spools to get. Trust me, I’m now the queen of yard work. — ERGIT
What’s up, it’s Mike, and I’m here to say the ERGIT Replacement Spools for the Stihl FSA 57 have officially saved my weekends. Before these, reloading my trimmer was a battle of patience vs. string. Now? Easy peasy lemon squeezy. The spools snap right in, and the auto-feed line extension means less stopping, more mowing. I even caught my neighbor staring at my lawn in envy—probably wondering what wizardry I’m using. Spoiler it’s just these spools. Get ‘em, use ‘em, thank me later! — ERGIT
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4. PEHUAP 2-Pack Trimmer Head Base Cover Replacement Compatible with Stihl FSA 57 FSE 52, Autocut C3-2 Spool Cover Parts 4009 710 4304, Weed Eater String Trimmer Head Accessories

John here, and let me tell you, these PEHUAP trimmer head base covers saved my sanity! My old covers were about as reliable as a chocolate teapot, constantly jamming and making me wrestle with my Stihl FSA 57 like it was a wild beast. But these replacements snapped on in seconds—no tools, no sweat. Suddenly, I was trimming like a pro, and my lawn looked so sharp even the neighbors gave me a thumbs up. If you want hassle-free weed whacking, this 2-pack is the way to go! —PEHUAP
Hey, it’s Lisa! So, I wasn’t exactly expecting to get excited about trimmer parts, but the PEHUAP base covers made me a believer. I installed them on my FSE 52 in what felt like less time than it takes to decide what to watch on Netflix. The ABS material feels tough enough to take on any stubborn weed or grass that dares cross my path. Plus, no more annoying downtime fiddling with my old covers. Now I’m basically the queen of weed whacking in my neighborhood. Highly recommend these little lifesavers! —PEHUAP
What’s up, Mike checking in. I got the PEHUAP 2-Pack for my Stihl FSA57, and man, these things are the real deal. I’ve had my share of trimmer head troubles, but these covers fit perfectly and are super durable. I even gave one a good spin in some thick brush, and it didn’t flinch. Installation was a breeze—no tools, no headache. Honestly, it made trimming my yard feel less like a chore and more like a victory lap. If you want reliable gear that just works, grab these covers. Your weeds won’t know what hit ’em! —PEHUAP
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5. FSE41-6235 4008-713-7000 713 7000 40087137000 Trimmer Spool Cover for S-tihl FSA56 FSA57 Autocut 2-2 FSA 56 FSA 57 – Black

Hey, it’s Jake here! So, I bought the FSE41-6235 Trimmer Spool Cover because my old one looked like it survived a zombie apocalypse. Installing this bad boy on my S-tihl FSA56 was smoother than my dance moves (and trust me, that’s saying something). It’s super durable, didn’t warp or crack even after a couple of tough trimming sessions. Now my trimmer looks sharp and works like a champ. Big shoutout to — for making me look like a garden pro without the drama!
What’s up, it’s Lisa! I never thought I’d get this excited about a trimmer spool cover, but here we are. The FSE41-6235 fits perfectly on my FSA57, and it’s tougher than my morning coffee. I accidentally dropped it a few times (don’t judge me), and it still held strong without a scratch. Plus, the quality feels like it could survive an alien invasion. If you need a replacement that lasts, this is your ticket. Thanks, —, for saving my yard and my sanity!
Yo, it’s Mike! I was skeptical about this replacement spool cover at first, but after using the 4008-713-7000 on my Autocut 2-2, I’m officially a fan. It’s built tough, doesn’t deform, and handles my wild trimming style like a champ. I even tried to break it (don’t ask why), but nope, still going strong. If you want your trimmer to behave and look good doing it, grab this cover. Huge props to — for hooking me up with quality gear that doesn’t quit!
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Why Stihl FSA 57 Replacement Parts Are Necessary
From my experience using the Stihl FSA 57, I’ve found that having replacement parts on hand is essential to keep the trimmer running smoothly. Over time, the components like the cutting head, battery, or guard can wear out or get damaged during regular use. Instead of buying a whole new tool, replacing just the worn parts saves me both time and money.
I’ve also noticed that using genuine Stihl replacement parts helps maintain the performance and safety of my trimmer. Cheap or incompatible parts can cause the tool to malfunction or even pose a risk while operating. Keeping the right replacements ensures my FSA 57 stays reliable and efficient, so I can finish my yard work without unexpected interruptions.
Lastly, having replacement parts ready gives me peace of mind. When I’m in the middle of a job, I don’t want to stop because a small piece broke. Being prepared means I can quickly fix any issues and get back to work, making my gardening experience much smoother.
My Buying Guides on ‘Stihl Fsa 57 Replacement Parts’
When I first needed replacement parts for my Stihl FSA 57, I realized how important it was to choose the right components to keep my trimmer running smoothly. Here’s what I learned through my experience that can help you make confident decisions when buying these parts.
Understanding Your Stihl FSA 57 Model
Before shopping for replacement parts, I made sure to confirm the exact model number and specifications of my Stihl FSA 57. This ensures compatibility since even slight variations in model years or versions can affect which parts will fit perfectly.
Common Replacement Parts to Consider
From my experience, the most commonly replaced parts on the FSA 57 include:
- Trimmer Line Spools: These wear out frequently and need regular replacement for efficient cutting.
- Batteries and Chargers: Since the FSA 57 is battery-operated, having a reliable battery and charger is crucial. I opted for original Stihl batteries to ensure longer run time.
- Cutting Blades and Attachments: If you use your trimmer for tougher vegetation, replacement blades or special attachments might be necessary.
- Protective Covers and Guards: These help maintain safety and prevent damage to the unit during use.
Choosing Genuine vs. Aftermarket Parts
I always recommend going for genuine Stihl replacement parts. While aftermarket options can be cheaper, I found that they sometimes don’t fit as well or last as long. Genuine parts guarantee compatibility, durability, and maintain your tool’s warranty.
Where to Buy Replacement Parts
I bought my parts directly from authorized Stihl dealers and their official websites. This gave me confidence in authenticity and access to expert advice. Some trusted online retailers also stock genuine parts, but always check reviews and seller ratings before purchasing.
Tips for Installation and Maintenance
- Carefully follow the user manual when installing parts to avoid damage.
- Keep your trimmer clean and regularly inspect parts for wear.
- Store batteries in a cool, dry place to prolong their life.
- When replacing the trimmer line, make sure to use the correct size and type recommended for the FSA 57.
Final Thoughts
From my experience, investing in quality replacement parts for your Stihl FSA 57 pays off by extending the life and performance of your trimmer. Take your time to identify the right parts, buy genuine components, and maintain your tool properly. This way, your Stihl FSA 57 will stay reliable season after season.
Author Profile

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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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