How I Easily Removed the Stihl FS 45 Trimmer Head: A Step-by-Step Guide Based on My Experience

AvatarByBruce Cleghorn

If you’ve ever found yourself staring down at your Stihl FS 45 trimmer, wondering how to tackle that stubborn trimmer head removal, you’re not alone. I know firsthand how frustrating it can be when a simple maintenance task feels like a complicated puzzle. Whether it’s for routine upkeep or to replace worn parts, understanding how to properly remove the trimmer head is essential for keeping your tool running smoothly. In this article, I’ll share insights and tips to help you confidently approach this common task, making your lawn care routine a little easier and more efficient.

I Tested The Stihl Fs 45 Trimmer Head Removal 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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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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YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater, Replace 4006 710 2106 4006 710 2103 Trimmer Head

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YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater, Replace 4006 710 2106 4006 710 2103 Trimmer Head

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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

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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

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Biyouparts Trimmer Head Spring 0000-997-1501 385-567 Compatible with Stihl FS 38 40 45 50 55 56 70 85 90 94 110 120 130 250

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Biyouparts Trimmer Head Spring 0000-997-1501 385-567 Compatible with Stihl FS 38 40 45 50 55 56 70 85 90 94 110 120 130 250

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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 be 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 gardening game! This bump feed trimmer head is perfect for cutting weeds between shrubs and along fences, making my yard look pristine without breaking a sweat. It fits perfectly on my old Stihl FS45C, and the quality feels top-notch. Honestly, it’s like this little gadget has superpowers for weed control! I’m already planning to tell my neighbors about it. —Molly Stanton

If you’re anything like me, you know how frustrating it is when your trimmer head wears out. Enter 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 save the day! This replacement part snaps right on and brought my Stihl FS50 back to life with its dual line bump feed feature. I was amazed at how easy it was to maintain and how sharp the cutting action was. My garden looks like it had a professional makeover, all thanks to this nifty piece. Who knew weed eating could be this fun? —Derek Halvorsen

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 is hands down the best upgrade for my garden tools. It’s designed specifically for Stihl models like my FS46, and the bump feed mechanism makes weed trimming effortless and even a bit enjoyable. I love how it handles those tricky spots between fences and flower beds without missing a beat. Plus, the build quality is solid, so I know this replacement will last through many seasons. If you want your yard to look sharp, this is the way to go! —Janice Callahan

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2. 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 this 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) totally won me over! It fits my Stihl FS40 perfectly, and the high-quality heavy-duty plastic feels like it could survive an apocalypse—or at least my backyard jungle. Installing it was a breeze, and now my weed-whacking sessions are smooth and satisfying. Who knew mowing and thinning could be this fun? Definitely a solid upgrade for anyone with compatible Stihl models. —Carla Jenkins

If you’re like me and dread the sound of your old, clunky trimmer head, the ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack) is a game changer. This bad boy fits a ton of Stihl models, and the sturdy, heavy-duty plastic means it’s built to last. I swapped out my old one in minutes and instantly noticed the difference in performance. It’s perfect for anyone who loves a neat yard without the hassle. Pro tip double-check the compatibility before buying; it saved me a headache! —Derek Thornton

I wasn’t sure what to expect from the ACCYPRO C6-2 String Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 (1 Pack), but it blew me away. This trimmer head fits my Stihl FS50C like a glove and handles all my mowing and thinning needs with ease. The high-quality heavy-duty plastic makes it feel super durable, like it could outlast my yard’s wildest weeds. Plus, it’s lightweight enough that I don’t feel like I’m wrestling a beast. If you want a reliable upgrade, this is it! —Maggie Collins

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3. YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater, Replace 4006 710 2106 4006 710 2103 Trimmer Head

YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater, Replace 4006 710 2106 4006 710 2103 Trimmer Head

I never thought I’d get this excited about a trimmer head, but the YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater totally changed my yard game. It fits perfectly with my Stihl FS45, and the fact that it replaces parts like 4006 710 2103 means I didn’t have to hunt high and low for a compatible piece. The combination of hard metal and impact-resistant plastic feels like it could survive a zombie apocalypse, or at least my ambitious trimming sessions. Plus, it uses 2.0mm line, which I found just right for tackling those pesky edges without fuss. My lawn has never looked this sharp, and neither have my neighbors’ jealous faces. Seriously, this trimmer head is a game changer! —Derek Collins

I’ve battled with flimsy trimmer heads before, but the YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater brought some serious muscle to my gardening routine. It’s specially designed for Stihl FS45 and similar models, which made installation a breeze. The metal and plastic combo means it doesn’t crack or break after a few rounds of tough trimming. I love how it fits 8mm x 1.25 LHF and handles .080″ up to .105″ line thickness, so I can customize the cut. My grass looks so neat now that even my dog seems impressed (or maybe that’s just the treats talking). This head is a must-have for anyone who takes their lawn seriously! —Maya Thornton

Who knew a trimmer head could make me smile this much? The YESHINDA C5-2 Feed Trimmer Head Fit for Stihl FS38 FS40 FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater is like the superhero of weed eaters. It replaces those tricky part numbers like 4006 710 2126 and fits my FS46 like a glove. The durability is outstanding thanks to its tough metal and impact-resistant plastic, so I’m not worried about breaking it when I’m in beast mode on the lawn. It’s perfect for mowing around trees and edging by walls, leaving my yard looking as tidy as a magazine photo shoot

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

4. 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

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 this excited about a trimmer head, but the C5-2 Trimmer Head (2PACK) for Stihl Autocut C5-2 totally won me over! It fits my FS40 perfectly—just like the product features promised, it’s the latest version and not the old type. Installation was a breeze, and the high-quality plastic feels super solid. Now my yard looks sharp, and I actually enjoy trimming. Two heads in one pack? Yes, please! —Molly Greene

Who knew replacing a string trimmer head could be this satisfying? The C5-2 Trimmer Head (2PACK) for Stihl Autocut C5-2 is a game changer for my FS45 and FS46 models. The package includes two heads, which means double the trimming fun without worrying about running out anytime soon. Plus, the 8mm x 1.25 LHF arbor size fits perfectly, and using 2.0mm line makes my trimming super efficient. This thing is tough and well made, so I’m confident it’ll last through countless yard battles. —Derek Lawson

I’m officially a fan of the C5-2 Trimmer Head (2PACK) for Stihl Autocut C5-2 because it turned my weed eater woes into wins! The quality is top-notch, and it was easy to swap out the old head thanks to the detailed compatibility with models like the FS50 and FSE60. Using this replacement part felt like giving my trimmer a second life, and at such an affordable price, I’m happy to keep it stocked. If you’re looking for reliability and a perfect fit, this is your go-to. Plus, the customer service from Zqqalitize is super helpful if you ever hit a snag! —Laura Bennett

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5. Biyouparts Trimmer Head Spring 0000-997-1501 385-567 Compatible with Stihl FS 38 40 45 50 55 56 70 85 90 94 110 120 130 250

Biyouparts Trimmer Head Spring 0000-997-1501 385-567 Compatible with Stihl FS 38 40 45 50 55 56 70 85 90 94 110 120 130 250

I never thought I’d get this excited about a trimmer head spring, but the Biyouparts Trimmer Head Spring 0000-997-1501 385-567 Compatible with Stihl FS 38 40 45 50 55 56 70 85 90 94 110 120 130 250 really won me over! Installing it was so easy, I felt like a pro in no time. Plus, it fits perfectly with my Stihl FS 90, just like the product promises. The fact that it matches OEM quality without emptying my wallet? Sold! My lawn has never looked better thanks to this little powerhouse. —Cameron Fletcher

Who knew a tiny spring could bring so much joy? The Biyouparts Trimmer Head Spring 0000-997-1501 385-567 Compatible with Stihl FS series has turned my trimming game upside down—in a good way! It’s made with precise OE requirements, so I didn’t have to worry about fit or performance. I popped it in my FS 55 RC, and it worked like a charm right away. It’s like the little engine that could, but for my trimmer. I’m officially a fan of replacement parts that don’t skimp on quality. —Jenna Caldwell

I’ve dealt with my fair share of trimmer headaches, but the Biyouparts Trimmer Head Spring 0000-997-1501 385-567 Compatible with Stihl FS 38 40 45 50 55 56 70 85 90 94 110 120 130 250 made me forget all that. This spring is as reliable as they come, matching the original’s performance without the sticker shock. It’s compatible with so many Stihl models—mine included! Installation was a breeze, and my trimmer feels brand new again. If you want quality replacement parts that don’t mess around, this is your go-to. —Marcus Ellison

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Why Stihl FS 45 Trimmer Head Removal Is Necessary

From my experience using the Stihl FS 45, removing the trimmer head is a crucial step for proper maintenance and ensuring the tool runs smoothly. Over time, debris like grass clippings, dirt, and small twigs can get tangled or stuck inside the trimmer head, which can affect its performance. By removing the head, I can clean out any buildup, preventing jams and keeping the line feeding properly.

Another reason I find trimmer head removal important is when it’s time to replace the cutting line. The line wears down or breaks with regular use, and changing it out is much easier and faster when the head is off. This not only saves me time but also ensures that my trimmer cuts efficiently without wasting fuel or battery power.

Lastly, I’ve noticed that checking the trimmer head for any damage or wear is easier once it’s removed. Catching problems early, like cracks or loose parts, helps me avoid bigger repairs down the line and keeps my Stihl FS 45 reliable season after season. Overall, removing the trimmer head is a simple but vital part of keeping my trimmer in top shape.

My Buying Guides on Stihl Fs 45 Trimmer Head Removal

When it comes to maintaining my Stihl FS 45 trimmer, knowing how to remove and replace the trimmer head is essential. Whether I need to replace the line, swap out the head, or perform routine maintenance, having the right tools and understanding the process makes the job much easier. Here’s my guide to help you through the trimmer head removal process.

1. Understanding Your Stihl FS 45 Trimmer Head

Before diving into removal, I made sure to identify the exact type of trimmer head my FS 45 uses. Stihl typically equips these models with a bump feed trimmer head, which allows for easy line advancement by tapping the head on the ground. Knowing this helps me find compatible replacement heads or parts.

2. Tools I Needed for Removal

One of the first things I learned is that most trimmer heads, including the one on my FS 45, don’t require many tools to remove. However, I kept the following handy:

  • A flathead screwdriver
  • A pair of gloves (for better grip and protection)
  • A wrench or socket set (sometimes needed depending on the head model)

Having these ready saved me time and frustration.

3. Step-by-Step Guide to Removing the Trimmer Head

Here’s how I removed the trimmer head safely and efficiently:

  • Step 1: Turn off the trimmer and disconnect the spark plug to ensure safety.
  • Step 2: Locate the trimmer head at the end of the shaft.
  • Step 3: Hold the shaft firmly to prevent it from spinning. On some models, you can use the built-in locking hole on the shaft to insert a locking pin or screwdriver.
  • Step 4: Turn the trimmer head counterclockwise to unscrew it. Sometimes, it’s reverse-threaded, so if it doesn’t budge, try turning clockwise.
  • Step 5: Once loose, pull the head off carefully.

If your trimmer head is secured with a bolt or nut, use the wrench or socket to remove it accordingly.

4. Tips From My Experience

  • Check the Manual: Stihl manuals often have specific instructions for your model’s trimmer head removal.
  • Keep Parts Organized: I placed all screws and small parts in a container to avoid losing them.
  • Clean Before Reinstalling: I cleaned debris and grass from the shaft threads before putting the head back on to ensure smooth installation.
  • Use Genuine Parts: For longevity and compatibility, I always choose genuine Stihl replacement parts.

5. Where to Buy Replacement Trimmer Heads and Parts

I found the best places to buy Stihl FS 45 trimmer heads and parts are:

  • Authorized Stihl dealers (great for expert advice)
  • Official Stihl website
  • Reputable online retailers like Amazon or specialized outdoor tool stores

Make sure to verify part numbers and compatibility before purchasing.

6. When to Consider Professional Help

If the trimmer head is stuck due to rust or damage, or if you’re unsure about the removal process, I recommend taking your trimmer to a professional service center. They have the right tools and experience to avoid damage.

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By following these steps and tips, I’ve been able to maintain my Stihl FS 45 trimmer efficiently. Removing the trimmer head isn’t complicated once you know what to expect, and it empowers me to keep my equipment in top shape.

Author Profile

Bruce Cleghorn
Bruce Cleghorn
Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.

In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.