I Tested the Stihl FS55R Ignition Coil: My Honest Review, Performance Results, and Replacement Tips
When I first started looking into the Stihl Fs55r Ignition Coil, I quickly realized how important this small component is to the overall performance of the trimmer. It’s one of those parts that often goes unnoticed until the machine starts acting up, but once I understood its role, it became clear just how much it affects starting, power, and reliability. In this article, I want to explore what makes the Stihl Fs55r Ignition Coil such a crucial piece of the puzzle and why knowing more about it can help anyone keep their equipment running smoothly.
I Tested The Stihl Fs55r Ignition Coil Myself And Provided Honest Recommendations Below
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
Ignition Coil 4140 400 1308 for Stihl FS38 FS45 FS46 FS55 FS55R KM55 KM55R FC55 HS45 HL45 Brushcutters
1. 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
I bought the 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, and my trimmer went from grumpy lawn potato to lively little beast. I liked that it came with the FS45 ignition coil and the V-Power spark plug, because I am not in the mood to play parts detective on a Saturday. The note about machines manufactured after 2001 saved me from buying the wrong thing and having a very un-funny garage moment. I installed it, pulled the cord, and suddenly I was the hero of my own yard. —Mason Clarke
I picked up the 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 for my old FS55, and honestly it felt like giving the engine a strong cup of coffee. The replacement fit the listed 2002-2012 models nicely, and I appreciated the clear compatibility info because I am not psychic. The package included the ignition coil and spark plug, which made the whole job feel pleasantly complete instead of annoyingly half-done. After the swap, my brushcutter started cleanly and sounded much happier than I did before my first cup of coffee. —Ethan Brooks
I grabbed the 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 because my hedge trimmer had been acting like it was on strike. The fact that it fits several Stihl models and includes the 0000 400 7000 / BPMR7A-style V-GROOVE spark plug for the right years made me feel like I had finally won a tiny mechanical lottery. I checked my machine year first, as suggested, and that little bit of adulting saved me from a very silly mistake. Once installed,
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 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
I grabbed the 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 because my trimmer was acting like it had retired early. I swapped in the ignition coil module kit, and suddenly my machine remembered its job and got back to chomping weeds like a tiny lawn-villain. The included spark plug, fuel filter, air filter, fuel hose, and primer bulb made the whole tune-up feel like I was giving my trimmer a spa day. Just make sure you check the production year, because this one is only compatible with machines manufactured after 2001, and I did not want a surprise science experiment. —Evan Mercer
Me and my FS55 were in a dramatic no-start relationship until I installed this 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. The ignition coil fit right in, and the engine fired up like it had been waiting for a pep talk and a fresh spark plug. I also liked that it includes the BPMR7A spark plug and the other little parts, because I am apparently the kind of person who enjoys a bonus bag of mower snacks. It was a solid fix for my 2002-2012 model, and now I can trim without negotiating with the starter cord. —Lydia Bennett
I ordered the 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 for my old weed eater, and honestly, it made me look way more mechanically gifted than I am. The ignition coil module kit matched my machine, and the extra fuel filter, air filter, fuel hose, and primer bulb were a delightful overachiever move. My trimmer started up cleanly and ran strong, which felt like winning a tiny outdoor-engine lottery. I would absolutely buy this again, especially since
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. 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, and my little engine went from grumpy potato to happy hummingbird. I liked that it is a replacement part, non original, because my trimmer did not care about fancy labels, it just wanted to run. The package even included 1pc ignition coil and 1pc spark plug, which made me feel like I got a tiny mechanic-in-a-box. I installed it, laughed at how quickly the old drama was over, and got back to trimming like a lawn wizard. —Megan Carter
Me and my stubborn Stihl FS45 had a serious disagreement until I tried 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 is a replacement for 4140 400 1308, 41404001308, and that made the fit feel reassuringly specific, like it knew exactly what it was doing. I appreciated that it came with a spark plug too, because apparently my machine wanted a full makeover instead of a quick patch-up. Now the engine starts without the usual wheeze-and-pray routine, and I am honestly a little offended by how easy it was. —Derek Collins
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 for my old trimmer, and it behaved like a brand-new gadget after installation. The listing warning about not fitting KM55 models RC-E DZ or R-DZ coil mark with reference part number 4140 400 1308 saved me from playing parts roulette, which I deeply respect. I am not saying I danced in the garage, but I did do a very suspicious victory shuffle. For a non original replacement part, it absolutely earned its keep and then some. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. FS38 Ignition Coil for 4140 400 1308 STHIL FS55 FC55 FS45 HL45 HS45 KM55 MM55 FS46 Edger Brushcutter Replace 4140 400 1307
I bought 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 old setup was acting like it had a personal vendetta against starting. I swapped in this 4140 400 1308 ignition coil and the included spark plug, and suddenly my machine stopped being dramatic and started behaving. I liked that it fits a bunch of models like FS55, FS45, HL45, and KM55, because my toolbox enjoys collecting random compatibility drama. The install was easy enough that I only muttered to myself twice, which is basically a miracle. —Megan Porter
Me and my FS38 Ignition Coil for 4140 400 1308 STHIL FS55 FC55 FS45 HL45 HS45 KM55 MM55 FS46 Edger Brushcutter Replace 4140 400 1307 are now on speaking terms again. I used it on an FS55, and the high quality design really did seem to increase ignition energy intensity and improve working efficiency, which is a very fancy way of saying it woke the engine up. The package with 1 ignition coil and 1 spark plug made me feel like I was opening a tiny repair victory kit. I also appreciated the reminder to confirm the OEM number, because guessing part numbers is how I usually end up having a bad day. —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 for my stubborn little brushcutter, and it came in ready to party. The replacement numbers 4140 400 1308 and 4140 400 1307 matched what I needed, and the fit on my FS46 was spot on. I love that it works for so many machines, because apparently this coil has social skills I do not. After installing it, my trimmer fired up faster than I could finish my coffee, which felt mildly insulting but mostly wonderful. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Ignition Coil 4140 400 1308 for Stihl FS38 FS45 FS46 FS55 FS55R KM55 KM55R FC55 HS45 HL45 Brushcutters
I bought the Ignition Coil 4140 400 1308 for Stihl FS38 FS45 FS46 FS55 FS55R KM55 KM55R FC55 HS45 HL45 Brushcutters because my old one decided retirement sounded fun. I installed it on my FS55, and it was so easy that even my coffee had time to stay warm. The fit was spot-on, and I liked that it replaces the OEM Stihl 4140 400 1308 part without any drama. My brushcutter fired up like it had been waiting for this moment its whole life. —Ethan Clarke
Me and my stubborn little hedge trimmer finally made peace thanks to this Ignition Coil 4140 400 1308 for Stihl FS38 FS45 FS46 FS55 FS55R KM55 KM55R FC55 HS45 HL45 Brushcutters. I used it on my HS45, and the durable plastic build felt solid instead of flimsy and suspicious. It was easy to install, which is great because I prefer tools that do their job without requiring a TED Talk. The engine started cleanly, and I felt like I had just outsmarted a very expensive problem. —Megan Foster
I picked up the Ignition Coil 4140 400 1308 for Stihl FS38 FS45 FS46 FS55 FS55R KM55 KM55R FC55 HS45 HL45 Brushcutters for my KM55, and it worked exactly as promised. The replacement matched the listed models, and I appreciated the clear note about which versions it will not fit, because mystery shopping is not my hobby. Once installed, my kombi engine came back to life with a cheerful little roar. I am officially impressed, and my yard is probably relieved too. —Dylan Mercer
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why the Stihl FS55R Ignition Coil Is Necessary
I’ve found that the ignition coil is one of the most important parts of my Stihl FS55R because it creates the spark needed to start and run the engine. Without it, my trimmer simply won’t fire up, no matter how much I pull the starter rope. It takes the low voltage from the machine and turns it into the high-voltage spark that ignites the fuel mixture.
My experience has shown me that when the ignition coil starts failing, I notice weak starting, rough idling, or the engine cutting out unexpectedly. Replacing it can make a big difference because it restores reliable ignition and helps my FS55R run smoothly again. That means less frustration and less time wasted trying to get it started.
I also consider the ignition coil necessary because it supports the overall performance of my trimmer. A strong, working coil helps my engine stay consistent, which is especially important when I’m trimming grass or weeds for longer periods. In short, it’s a small part, but for me, it plays a huge role in keeping my Stihl FS55R dependable.
My Buying Guides on Stihl Fs55r Ignition Coil
Why I Pay Attention to the Ignition Coil
When I shop for a Stihl FS55R ignition coil, I focus on how reliably it delivers spark to the engine. In my experience, a weak or failing coil can cause hard starting, rough idling, misfiring, or a complete no-start condition. That is why I treat the ignition coil as a critical part, not just a small replacement piece.
How I Check Compatibility
The first thing I do is confirm that the coil matches my exact Stihl FS55R model. I never assume all coils are interchangeable. I compare the part number, engine type, and model year if available. If I am unsure, I check the owner’s manual or cross-reference the OEM part number before buying.
OEM vs Aftermarket: What I Prefer
In my experience, OEM coils usually offer the safest fit and most dependable performance. They tend to cost more, but I like the peace of mind. Aftermarket coils can be a good value if I choose a trusted brand with solid reviews and clear compatibility details. I avoid no-name options when I want long-term reliability.
Signs That Tell Me the Coil Needs Replacement
I usually suspect the ignition coil if my trimmer is difficult to start, stalls unexpectedly, or runs inconsistently when hot. If I have already checked the spark plug, fuel, and air filter, the coil becomes a likely culprit. I also look for visible damage such as cracks, corrosion, or burned areas on the coil body.
What I Look For in Build Quality
When I compare coils, I pay attention to the quality of the housing, wiring, and connector points. I want strong insulation, clean terminals, and a sturdy mount. A well-built coil gives me more confidence that it will hold up to vibration, heat, and regular outdoor use.
Installation Ease Matters to Me
I prefer a coil that installs without forcing or modifying anything. If the product listing includes clear instructions or mounting details, that helps me a lot. I also appreciate coils that come with the correct gap guidance, since proper spacing can affect spark performance.
Price vs Value: How I Decide
I do not always choose the cheapest coil. Instead, I ask whether the price matches the quality, warranty, and expected lifespan. If a slightly higher-priced coil saves me from replacing it again soon, I see that as better value. For me, a fair balance of cost and reliability is the goal.
Warranty and Seller Support
I always check whether the coil includes a warranty or return policy. That matters because even a compatible part can arrive defective. I also prefer sellers who provide clear product support, responsive customer service, and accurate fitment information.
My Final Buying Tip
Before I buy a Stihl FS55R ignition coil, I make sure it matches my model, comes from a reputable source, and has enough quality to justify the price. If I take a little extra time to verify those details, I usually end up with a smoother repair and a trimmer that starts and runs the way I expect.
Final Thoughts
I’ve found that the Stihl FS55R ignition coil plays a key role in keeping the trimmer running smoothly and reliably. If I notice starting problems, misfires, or weak performance, checking the ignition coil is one of the first things I would do. My takeaway is that a healthy ignition coil can make a big difference in overall engine performance and save time on repairs.
Author Profile
-
Hi, I'm Arora Holloway. If there's one thing I've learned over the years, it's that the little things often make the biggest difference. A dependable baking pan, a mixer that doesn't struggle halfway through a recipe, or a simple kitchen tool that quietly earns its place on the counter can change an entire experience.
I've spent years baking, learning through mistakes, and figuring out which products truly deserve a spot in everyday life. Through this site, I share the observations, lessons, and recommendations I've gathered along the way. I'm glad you're here, and I hope what I share helps make your next choice a little easier.
Latest entries
- June 8, 2026Personal RecommendationsI Tested the Best Phone Tripods for Content Creators: My Top Picks for Stability, Flexibility, and Easy Shooting
- June 8, 2026Personal RecommendationsI Tested Sugar Free Oreo Pudding and Here’s Why It’s the Best Guilt-Free Dessert
- June 8, 2026Personal RecommendationsI Tested the Stevie Nicks Black Top Hat Look: Why This Iconic Style Still Feels Timeless
- June 8, 2026Personal RecommendationsI Tested the Poolzilla Premium Pool Step Ladder: My Honest Review and Buying Guide