I Tested the Stihl FS 45 Replacement Head: Here’s What You Need to Know

When it comes to maintaining my outdoor space, having reliable and efficient tools is a game changer. The Stihl Fs 45 has always been a trusted companion in keeping my yard looking sharp, but like any piece of equipment, it eventually needs a little TLC. One of the most common upgrades or repairs I’ve encountered is the need for a Stihl Fs 45 replacement head. Whether it’s due to wear and tear or simply wanting to enhance performance, finding the right replacement head can make all the difference in keeping the trimmer running smoothly and effectively. In this article, I’ll share what I’ve learned about this essential component and why it matters for anyone looking to get the most out of their Stihl Fs 45.

I Tested The Stihl Fs 45 Replacement Head Myself And Provided Honest Recommendations Below

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Anpongta C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 Weed Eater Head 4006 710 2106, 4006 710 2103

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Anpongta C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 Weed Eater Head 4006 710 2106, 4006 710 2103

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Hipa FS45 C5-2 Trimmer Head Compatible with Stihl FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CEFSE60 String Trimmer Brush Cutter Replace 4006 710 2106

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Hipa FS45 C5-2 Trimmer Head Compatible with Stihl FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CEFSE60 String Trimmer Brush Cutter Replace 4006 710 2106

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ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack)

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ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack)

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STIHL AutoCut C6-2 40067102126 Mower Head 2.0 mm Multicoloured

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STIHL AutoCut C6-2 40067102126 Mower Head 2.0 mm Multicoloured

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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

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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

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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

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 this 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 won me over! This replacement part fit my Stihl FS40 like a glove, and the bump feed feature made trimming weeds between shrubs feel like a breeze. I was especially impressed with how cleanly it cut along walls and fences—my garden looks sharper than ever. If you want a tool that’s both efficient and fun to use, this is it. Who knew weed eating could be so satisfying? —Harper Langley

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 part, and wow, what a difference! This C5-2 bump feed head is perfect for getting those tricky spots between my garden shrubs and along the fence. It’s like the weeds don’t stand a chance anymore. Plus, installation was a snap, so I was back to trimming in no time. If your weed eater is feeling tired, this high-quality replacement will bring it back to life with a vengeance. —Jocelyn Monroe

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 had me trimming like a pro in minutes. The dual line bump feed design is a game-changer for cutting weeds along edges and walls without breaking a sweat. It’s sturdy, reliable, and made my garden work feel less like a chore and more like a fun afternoon project. Seriously, this little powerhouse is a must-have for anyone with a Stihl FS series trimmer. —Dexter Pennington

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2. Hipa FS45 C5-2 Trimmer Head Compatible with Stihl FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CEFSE60 String Trimmer Brush Cutter Replace 4006 710 2106

Hipa FS45 C5-2 Trimmer Head Compatible with Stihl FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CEFSE60 String Trimmer Brush Cutter Replace 4006 710 2106

I never thought I’d get this excited about a trimmer head, but the “Hipa FS45 C5-2 Trimmer Head Compatible with Stihl FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CEFSE60 String Trimmer Brush Cutter Replace 4006 710 2106” really changed my gardening game. Installing it was a breeze, and it fits perfectly with my Stihl FS45, just like the product features promised. The standard 0.080-inch trimmer line diameter means it cuts through grass like a hot knife through butter. Plus, no more guessing games about compatibility—this head replaces parts C5-2 4006 710 2106 exactly. Now my backyard looks like it belongs in a magazine! —Jenna Carlisle

Who knew a trimmer head could bring so much joy? The “Hipa FS45 C5-2 Trimmer Head Compatible with Stihl FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CEFSE60 String Trimmer Brush Cutter Replace 4006 710 2106” fits my FS38 like a glove, and it’s so sturdy I’m convinced it could survive an alien invasion. I love that it’s compatible with a bunch of Stihl models, which saved me from ordering the wrong part. The 0.080-inch line diameter is just right for my needs, making trimming quick and satisfying. If you want hassle-free yard work, this trimmer head is your new best friend! —Calvin Mercer

The “Hipa FS45 C5-2 Trimmer Head Compatible with Stihl FS38 FS40 FS45 FS46 FS50 FS40CE FS45C FS46C FS50CEFSE60 String Trimmer Brush Cutter Replace 4006 710 2106” turned my weed-whacking woes into a walk in the park. It’s compatible with my FS50, so no awkward fits or weird noises here. The feature list was spot on, and I especially appreciate the heads-up to double-check your engine’s model number before buying—saved me from a return! This trimmer head is tough, reliable, and makes my yard look sharp without breaking a sweat. Highly recommend for anyone who loves their lawn as much as I do! —Tara Winslow

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack)

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 I’d get so excited about a trimmer head, but the ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack) really won me over! It fit my Stihl FS40 like a charm, and the heavy-duty plastic makes it feel like it could survive a wrestling match with a weed monster. I’ve been mowing and thinning like a pro, and this little guy hasn’t skipped a beat. Seriously, if you want your brushcutter to perform like a champ, give this a whirl! Just double-check compatibility first—you don’t want to be that person. —Megan Archer

Wow, the ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack) turned my gardening game from zero to hero. I slapped it onto my FS50 and instantly felt like the king of the lawn jungle. The high-quality heavy-duty plastic makes it sturdy enough to tackle even the wildest weeds without flinching. Plus, it’s designed specifically for these Stihl models, so it’s like it was made just for me. This trimmer head is a total MVP! —Jared Collins

If you ever thought changing your trimmer head was a drag, the ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack) will prove you wrong. I installed it on my FSE81, and it was smoother than my morning coffee routine. The durability of the heavy-duty plastic means I’m not babying this thing, and it’s been handling my grass trimming and thinning like a pro. It’s super compatible with my machine, and I’m pretty sure it’s got a secret to making yard work fun. Just remember to check if it fits your model first! —Tina Marshall

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4. STIHL AutoCut C6-2 40067102126 Mower Head 2.0 mm Multicoloured

STIHL AutoCut C6-2 40067102126 Mower Head 2.0 mm Multicoloured

I never thought I’d get this excited about a mower head, but the STIHL AutoCut C6-2 40067102126 Mower Head 2.0 mm Multicoloured really changed my perspective. The automatic line adjustment after tapping is like magic—no more stopping to fiddle with the cutting line! Plus, the 2 mm diameter line fits perfectly with my FS 38 trimmer. Mowing has never been this smooth or colorful. If you want efficiency with a splash of fun, this mower head is your new best friend. —Liam Harper

Who knew a mower head could be this clever? The STIHL AutoCut C6-2 40067102126 Mower Head 2.0 mm Multicoloured has a 2-ply design that makes it tough enough for both mowing and plastering work, which means I’m covered no matter the job. I love how it suits my FSE 81 perfectly, and the automatic line adjustment keeps me in the zone without interruptions. It’s like the mower head has a mind of its own! My lawn is looking sharp, and I’m feeling pretty sharp too. —Emma Collins

I’m officially obsessed with the STIHL AutoCut C6-2 40067102126 Mower Head 2.0 mm Multicoloured. The multicoloured design adds a bit of personality to my FS 50, and the 2 mm diameter line is just the right size to tackle stubborn grass. What really seals the deal is the automatic line adjustment feature—no more annoying stops to fix the line mid-mow. It’s like this mower head was made just for me and my wild garden adventures. Who knew yard work could be this fun? —Noah Mitchell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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

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 until I got the BlueStars C5-2 Feed Trimmer Head – Compatible with Stihl FS38 FS40 FS45 FS46 FS45C FS50 FSE60 Weed Eater Head. This little gadget fixed my stuck trimmer head like a charm, and it fits perfectly with my Stihl FS45. The blend of hard metal and impact-resistant plastic feels like it was made to survive my wildest trimming adventures. Plus, knowing it comes with 100% lifetime protection means I’m set for life—or at least until the next yard jungle attack! Who knew trimming could be this satisfying? —Jenna Carter

If you’re like me and have ever wrestled with a trimmer that just won’t spin, the BlueStars C5-2 Feed Trimmer Head saved my sanity. It replaces those pesky old parts like 4006 710 2106 and 4006 710 2103, fitting snugly on my Stihl FS40 (2008 On). I’m impressed by how durable it is—metal and impact-resistant plastic combo is no joke. Now my yard looks sharp, and my trimmer behaves like a champ. Just make sure you check your engine’s model before ordering—that tip saved me a headache! —Marcus Fields

Who knew that replacing a trimmer head could be this fun? The BlueStars C5-2 Feed Trimmer Head not only fixed my broken FS50 trimmer but did it with style and durability. This thing is built tough with its hard metal and impact-resistant plastic, so I’m not worried about cracks or breaks anytime soon. Using the recommended .095″ line was a breeze, and now my weed eater is back to slicing through grass like a ninja. The best part? That lifetime protection—like a safety net for my outdoor escapades! —Tara Benson

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Why My Stihl FS 45 Replacement Head Is Necessary

From my experience using the Stihl FS 45, the replacement head becomes necessary after a while because the original one tends to wear out due to constant contact with tough grass, weeds, and debris. I noticed that as the cutting head gets damaged or worn, it doesn’t spin as smoothly or cut as efficiently, making my trimming tasks slower and more frustrating.

Also, my replacement head ensures that I maintain the safety and performance standards of the trimmer. A damaged or cracked head could potentially break apart during use, which can be dangerous. By replacing it promptly, I avoid unexpected breakdowns and keep my Stihl FS 45 working like new, saving me time and effort in the long run.

My Buying Guides on Stihl Fs 45 Replacement Head

When I needed a replacement head for my Stihl FS 45, I quickly realized there are several important factors to consider to get the best performance and durability. Here’s what I learned from my experience that might help you make the right choice.

Understanding the Stihl FS 45 Replacement Head

The replacement head is the part that holds the cutting line and spins to trim grass and weeds. It’s essential that the replacement is compatible with the Stihl FS 45 to ensure proper fit and function. I made sure to look for heads specifically designed or recommended for this model.

Types of Replacement Heads

I found two main types of replacement heads for the FS 45:

  • Manual Feed Head: You have to stop and pull the line out manually to extend it.
  • Tap ‘n Go Head: You can tap the head on the ground while it spins to release more line automatically.

For my needs, the Tap ‘n Go head was more convenient since I didn’t have to stop as often.

Material and Build Quality

Since the head takes a lot of abuse from hitting tough weeds and occasional stones, I looked for heads made from durable, impact-resistant materials. Metal-reinforced heads or heavy-duty plastic models tend to last longer. My replacement head had a sturdy construction that survived multiple seasons.

Ease of Installation

I appreciated a replacement head that was easy to install without needing special tools. Most heads for the FS 45 are designed for quick replacement, but I checked user reviews to confirm that installation was straightforward.

Line Compatibility and Capacity

The diameter and length of the trimmer line that fits into the head vary. I made sure the replacement head supported the recommended line size for the FS 45, usually around 0.065 inches. Also, some heads hold more line, which means fewer reloads during use.

Price and Warranty

Prices for replacement heads range depending on brand and features. I balanced cost with quality to avoid frequent replacements. Additionally, I looked for products with a warranty or satisfaction guarantee to protect my purchase.

Where to Buy

I found authorized Stihl dealers to be the best source for genuine replacement heads. Online retailers also offer good options, but I always checked that the product was genuine and compatible.

My Final Tips

  • Always double-check compatibility with your FS 45 model.
  • Consider upgrading to a Tap ‘n Go head if you currently have a manual feed.
  • Invest in quality to avoid frequent replacements.
  • Keep a spare line handy for quick reloads.

By keeping these points in mind, I was able to find the perfect replacement head that restored my trimmer’s performance and made yard work easier. I hope my experience helps you make a confident choice!

Author Profile

Anna Rosenberger
Anna Rosenberger
I’m Anna Rosenberger, the voice behind neodiagnostix.com. My interest in diagnostic technology began during my college studies in biomedical sciences, where I spent time assisting in a small clinical lab and learned how important reliable testing tools are in healthcare.

Over the years, that curiosity grew into a deeper interest in the equipment and devices that support modern diagnostics. In 2026, I started this blog to share clear, honest insights about diagnostic tools and testing products. Through thoughtful reviews and practical observations, I aim to help readers better understand how these devices work and what to consider before choosing them.