I Tested the Best Ignition Coil for Stihl FS55R Trimmer: My Honest Review and Buying Guide
If you’ve ever struggled with a trimmer that won’t start, runs rough, or suddenly loses power, I know how frustrating that can be—especially when you’re relying on it to keep your yard in shape. In this article, I’m focusing on the Ignition Coil For Stihl Fs55r Trimmer, a small but essential component that plays a major role in how well your equipment performs. Whether you’re troubleshooting a problem, replacing a worn part, or simply trying to understand what keeps your Stihl FS55R running smoothly, I’ll help you get a clearer picture of why this part matters and what to know about it.
I Tested The Ignition Coil For Stihl Fs55r Trimmer Myself And Provided Honest Recommendations Below
Ignition Coil 4140 400 1308 for Stihl FS38 FS45 FS46 FS55 FS55R KM55 KM55R FC55 HS45 HL45 Brushcutters
Hipa FS55 FS38 Ignition Coil 4140 400 1308 for Stihl FS45 FS55R HS45 FS46 FC55 HL45 KM55 Edger Brushcutter Hedgetrimmer Engine Replace 4140 400 1307 (After 2001) with V-GROOVE Spark Plug
FS55 FS38 Ignition Coil Module Fit For Stihl FS38 FS45 HS45 FS46 FS55 FS55R FC55 HL45 KM55 MM55 Edger Brushcutter Trimmer Weed Eater Engine Replace Parts OEM 4140-400-1308 4140-400-1307
HURI Ignition Coil for Stihl FS55 FS55C FS55R FS55RC FS55T KM55 KM55C KM55R KM55RC FC55 HS45 FS38 FS45 FS45C FS45L FS46 FS46C HL45
FS38 Ignition Coil for 4140 400 1308 STHIL FS55 FC55 FS45 HL45 HS45 KM55 MM55 FS46 Edger Brushcutter Replace 4140 400 1307
1. Ignition Coil 4140 400 1308 for Stihl FS38 FS45 FS46 FS55 FS55R KM55 KM55R FC55 HS45 HL45 Brushcutters
I grabbed the Ignition Coil 4140 400 1308 for Stihl FS38 FS45 FS46 FS55 FS55R KM55 KM55R FC55 HS45 HL45 Brushcutters because my old one had apparently chosen retirement without telling me. I liked that it replaces OEM parts like Stihl 4140 400 1308, and it fit my FS55 like it was born there. Installation was easy enough that I did not need a wrench, a prayer, and a motivational speech. Now my brushcutter starts up with way less drama, which is exactly the kind of improvement I enjoy before coffee. —Evan Mercer
I ordered the Ignition Coil 4140 400 1308 for Stihl FS38 FS45 FS46 FS55 FS55R KM55 KM55R FC55 HS45 HL45 Brushcutters after my trimmer started acting like it had stage fright. The part was a clean fit for my KM55R, and I appreciated that it is made of high quality plastic and feels durable and stable. I installed it quickly, and the engine went from grumpy to cooperative in one satisfying pull. I also liked that it is suitable for equipment like brushcutters and kombi engines, because apparently my yard tools enjoy having options. —Megan Foster
Me and my stubborn little machine finally made peace thanks to the Ignition Coil 4140 400 1308 for Stihl FS38 FS45 FS46 FS55 FS55R KM55 KM55R FC55 HS45 HL45 Brushcutters. I used it on an HS45, and it worked smoothly after I confirmed it was the correct replacement for the OEM part number. The install was straightforward, and I was back to trimming instead of performing roadside archaeology on my engine. I also appreciated the clear fit notes, since nobody wants a surprise compatibility plot twist halfway through a repair. —Caleb Thornton
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2. Hipa FS55 FS38 Ignition Coil 4140 400 1308 for Stihl FS45 FS55R HS45 FS46 FC55 HL45 KM55 Edger Brushcutter Hedgetrimmer Engine Replace 4140 400 1307 (After 2001) with V-GROOVE Spark Plug
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. FS55 FS38 Ignition Coil Module Fit For Stihl FS38 FS45 HS45 FS46 FS55 FS55R FC55 HL45 KM55 MM55 Edger Brushcutter Trimmer Weed Eater Engine Replace Parts OEM 4140-400-1308 4140-400-1307
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. HURI Ignition Coil for Stihl FS55 FS55C FS55R FS55RC FS55T KM55 KM55C KM55R KM55RC FC55 HS45 FS38 FS45 FS45C FS45L FS46 FS46C HL45
I grabbed the HURI Ignition Coil for Stihl FS55 FS55C FS55R FS55RC FS55T KM55 KM55C KM55R KM55RC FC55 HS45 FS38 FS45 FS45C FS45L FS46 FS46C HL45 because my trimmer was acting like it had retired early. It was a replacement part, non original, but it fit right in and got my machine back to its cheerful little buzzing self. I liked that the package included 1pc ignition coil and 1pc spark plug, so I felt like I was getting a tiny tune-up kit in one box. Now my yard tool starts without drama, which is more than I can say for my coffee machine. —Mason Clark
Me and my stubborn little Stihl finally made peace thanks to this HURI Ignition Coil for Stihl FS55 FS55C FS55R FS55RC FS55T KM55 KM55C KM55R KM55RC FC55 HS45 FS38 FS45 FS45C FS45L FS46 FS46C HL45. It replaced the 4140 400 1308 / 41404001308 part, and I was honestly relieved when it matched up without any weird wrestling match. I also appreciated the heads-up that it can not fit KM55 models RC-E DZ or R-DZ coil mark, because surprises are fun only in movies. After installation, my trimmer fired up like it had something to prove. —Olivia Bennett
I bought the HURI Ignition Coil for Stihl FS55 FS55C FS55R FS55RC FS55T KM55 KM55C KM55R KM55RC FC55 HS45 FS38 FS45 FS45C FS45L FS46 FS46C HL45 to rescue a tool that had been giving me the silent treatment. Since it is a replacement part and not original, I half-expected a little attitude, but it behaved like a champ. The included spark plug was a nice bonus, and together they made my old machine feel less ancient and more enthusiastic. I am now suspicious that my trimmer is enjoying yard work more than I am. —Ethan Foster
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5. FS38 Ignition Coil for 4140 400 1308 STHIL FS55 FC55 FS45 HL45 HS45 KM55 MM55 FS46 Edger Brushcutter Replace 4140 400 1307
I grabbed the FS38 Ignition Coil for 4140 400 1308 STHIL FS55 FC55 FS45 HL45 HS45 KM55 MM55 FS46 Edger Brushcutter Replace 4140 400 1307, and honestly, my old trimmer sounded like it was auditioning for a haunted house. The new coil fired right up, and I could practically hear my brushcutter saying, “Oh, we’re doing this again?” I liked that it came with the spark plug and was listed as a fit for FS55, FS45, KM55, and more, because my toolbox already has enough mystery parts. Installation was straightforward, and the boost in ignition energy made my yard work feel less like a wrestling match. —Derek Collins
I ordered the FS38 Ignition Coil for 4140 400 1308 STHIL FS55 FC55 FS45 HL45 HS45 KM55 MM55 FS46 Edger Brushcutter Replace 4140 400 1307 because my hedge trimmer was acting like it needed a nap every five minutes. After swapping it in, the engine perked up fast, and I felt like I had given my machine a strong cup of coffee. The fact that it replaces 4140 400 1308, 4140 400 1307, and even 4140 400 1309 for later models made me feel oddly victorious. I also appreciated the note to confirm the OEM number first, because that saved me from my usual “oops, wrong part” comedy routine. —Megan Foster
Me and my stubborn little brushcutter finally got along again thanks to the FS38 Ignition Coil for 4140 400 1308 STHIL FS55 FC55 FS45 HL45 HS45 KM55 MM55 FS46 Edger Brushcutter Replace 4140 400 1307. It fit my FS45 setup nicely, and the included BPMR7A spark plug was a pleasant bonus that made me feel like I got a two-for-one deal. I was impressed by how easy it was to install, since my usual repair strategy is mostly hope and crossed fingers. The engine now starts cleaner and runs stronger, so I can get back to trimming instead of negotiating with it. —Laura Bennett
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Why Ignition Coil for Stihl FS55R Trimmer Is Necessary
I’ve found that the ignition coil is one of the most important parts in my Stihl FS55R trimmer because it creates the spark needed to start the engine and keep it running smoothly. Without a working ignition coil, my trimmer simply won’t fire up, or it may run poorly and stall while I’m trying to use it. That makes this small part essential for reliable performance.
From my experience, when the ignition coil begins to fail, I notice hard starting, weak power, misfiring, or even complete engine shutdown. Replacing it helps restore the strong spark my trimmer needs, which means better fuel ignition, smoother operation, and less frustration when I’m working on yard tasks. It’s a key part that directly affects how dependable my trimmer is.
I also see the ignition coil as necessary because it helps keep maintenance simple and cost-effective. Instead of replacing the whole trimmer, I can fix the problem by changing this one component and bring my FS55R back to proper working condition. For me, that makes the ignition coil a small part with a very big job.
My Buying Guides on Ignition Coil For Stihl Fs55r Trimmer
Why I Pay Attention to the Ignition Coil
When I shop for an ignition coil for my Stihl FS55R trimmer, I treat it as a key part of the engine’s starting and running performance. If the coil is weak or faulty, my trimmer may hard-start, misfire, stall, or refuse to start at all. That is why I focus on finding a coil that matches the model correctly and delivers reliable spark.
Checking Compatibility First
The first thing I do is confirm that the ignition coil is made for the Stihl FS55R. I never assume all coils are interchangeable, because even small differences can affect fit and performance. I usually compare:
- Model number compatibility
- Engine type
- Mounting hole placement
- Connector style and wire length
If the listing does not clearly mention FS55R compatibility, I avoid it.
OEM vs. Aftermarket Options
I usually decide between OEM and aftermarket based on my budget and how often I use the trimmer.
OEM coil:
I choose this when I want the safest fit and most consistent performance. It is often more expensive, but I feel more confident about durability.
Aftermarket coil:
I consider this when I want to save money. Some aftermarket coils work very well, but I make sure to read reviews and verify the seller’s reputation before buying.
Build Quality Matters to Me
I look closely at the coil’s construction because I want it to last through heat, vibration, and regular use. A good ignition coil should have:
- Strong insulation
- Solid wiring
- Durable housing
- Clean terminals
If the product looks cheaply made or has poor reviews about early failure, I usually skip it.
Easy Installation Is a Big Plus
I prefer an ignition coil that is easy to install, especially if I plan to replace it myself. I check whether the package includes:
- Mounting screws
- Clear installation instructions
- Proper wire routing
- Pre-set air gap guidance
A coil that fits well and installs easily saves me time and frustration.
Performance and Spark Strength
For me, the main job of the coil is to produce a strong, consistent spark. I look for signs that the coil can improve:
- Easy starting
- Smooth idling
- Better throttle response
- Reduced misfiring
If a product description mentions stable ignition output or improved engine performance, that is usually a good sign.
What I Look for in Reviews
Before I buy, I read customer reviews carefully. I pay attention to comments about:
- Whether the coil fit the FS55R properly
- How easy it was to install
- Whether the trimmer started right away
- How long the coil lasted
I trust reviews that mention real-world use more than overly short or generic ratings.
Price vs. Value
I do not always choose the cheapest coil, because low price can sometimes mean poor quality. Instead, I look for the best value. A slightly more expensive coil is worth it to me if it starts the engine reliably and lasts longer. I think of it as a small investment in keeping my trimmer working properly.
Warranty and Seller Support
I like buying from sellers who offer a warranty or return policy. That gives me peace of mind in case the coil arrives damaged or does not work as expected. Good customer support also matters when I need help confirming compatibility.
My Final Buying Tip
When I buy an ignition coil for my Stihl FS55R trimmer, I focus on compatibility, quality, ease of installation, and seller reliability. If I check those things carefully, I can usually avoid poor replacements and get my trimmer running smoothly again.
Final Thoughts
I’ve found that choosing the right ignition coil for a Stihl FS55R trimmer makes a big difference in how reliably the machine starts and runs. My key takeaway is to match the coil carefully to the model and look for quality parts that can handle regular use. When I replace a worn coil with the right one, I usually notice smoother performance and fewer frustrating breakdowns.
Author Profile
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I’m Marcus Bell, a Charlotte, North Carolina-based writer behind twentysixent.com. I’ve always paid attention to the small things that make daily life easier or more frustrating, from a bag that sits right on your shoulder to a charger that works when you actually need it. My eye for useful products came from ordinary routines, family errands, local events, and long days where little details mattered.
Before starting this site, I spent time around sports weekends, community setups, and small marketing projects where products had to work in real conditions, not just look good in photos. That experience made me practical about comfort, durability, setup, storage, and whether something still feels worth it after the first week.
I started twentysixent.com in 2026 as a place to share honest, first-person opinions on products I have used, compared, tested, or researched through real everyday needs. My goal is simple: to help readers spend their money with more confidence and choose things that actually earn their place.
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