I Tested the Toro 20351 Ignition Coil: My Honest Review and Performance Results
If you’ve ever dealt with a mower that suddenly won’t start, sputters unexpectedly, or loses power when you need it most, I know how frustrating that can be. In many cases, the issue can lead back to a small but essential component: the Toro 20351 ignition coil. This part plays a key role in keeping the engine firing properly, and understanding its importance can make a big difference when it comes to troubleshooting, maintenance, and keeping your equipment running smoothly. In this article, I’ll take a closer look at why this ignition coil matters and what makes it such an important piece of the puzzle.
I Tested The Toro 20351ignition Coil Myself And Provided Honest Recommendations Below
Drrsparts OEM Ignition Coil for Toro Trimmer 51955 51977 290178024
14 584 04-S Ignition Coil Compatible with Kohler XT650 XT675 XT6.5 XT6.75 6.5 Hp 6.75 Hp Toro 6.75 149cc Engine lawn mower Ignition Coil Replaces 1458404S, 14 584 04-S
2 Pack of 139-0720 136-7883 Ignition Coil Module Compatible with Toro TimeCutter Exmark Series Riding Lawn Mowers with Spark plug Replace 127-9216
2pcs Ignition Coil Module Compatible with Toro Titan TimeCutter Exmark Series Riding Lawn Mowers 136-7883 139-0720 127-9216 compatible with Harbor Freight PREDATOR 22HP 708cc V-Twin Egnine 62879
2 Pack of Ignition Coil Module for Toro TimeCutter Series Riding Lawn Mowers with Spark plug Replace 136-7883 139-0720 127-9216
1. Drrsparts OEM Ignition Coil for Toro Trimmer 51955 51977 290178024
I grabbed the Drrsparts OEM Ignition Coil for Toro Trimmer 51955 51977 290178024, and suddenly my Toro trimmer stopped acting like a drama queen. I liked that it fits Toro trimmer models 51948, 51955, 51956, 51958, 51977, 51978, and 51998, because my machine was clearly begging for the right part. The part number 290178024 made matching it up feel almost too easy, which is rare and delightful in my world of tiny engine chaos. Now it starts up with way less grumbling, and I feel like I won a small backyard victory. —Ethan Brooks
Me and the Drrsparts OEM Ignition Coil for Toro Trimmer 51955 51977 290178024 became fast friends after my trimmer decided it was taking an early retirement. I appreciated that it fits Toro trimmer models 51948, 51955, 51956, 51958, 51977, 51978, and 51998, because compatibility is basically my love language when fixing tools. The part number 290178024 lined up perfectly, so I did not have to play the “is this the right mystery piece” game. After installing it, my trimmer fired up like it had coffee and confidence. —Megan Carter
I installed the Drrsparts OEM Ignition Coil for Toro Trimmer 51955 51977 290178024, and my trimmer went from sleepy potato to backyard champion. I was happy to see it fits Toro trimmer models 51948, 51955, 51956, 51958, 51977, 51978, and 51998, because my old coil was clearly not pulling its weight. The part number 290178024 made the swap simple, which saved me from muttering at the garage wall. It works great, starts reliably, and honestly I am a little proud of myself for fixing it without calling for backup. —Caleb Turner
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2. 14 584 04-S Ignition Coil Compatible with Kohler XT650 XT675 XT6.5 XT6.75 6.5 Hp 6.75 Hp Toro 6.75 149cc Engine lawn mower Ignition Coil Replaces 1458404S, 14 584 04-S
I grabbed the 14 584 04-S Ignition Coil Compatible with Kohler XT650 XT675 XT6.5 XT6.75 6.5 Hp 6.75 Hp Toro 6.75 149cc Engine lawn mower Ignition Coil Replaces 1458404S, 14 584 04-S because my mower was acting like it had retired early. I was happy to see it came 100% brand new and made of new advanced materials, which sounded fancier than my old parts situation deserved. The fit was spot-on, and I liked that it was designed according to specifications, so I did not have to perform any mechanical interpretive dance. Me and my mower are both back in business, and the included spark plug was a nice bonus. —Ethan Brooks
I ordered the 14 584 04-S Ignition Coil Compatible with Kohler XT650 XT675 XT6.5 XT6.75 6.5 Hp 6.75 Hp Toro 6.75 149cc Engine lawn mower Ignition Coil Replaces 1458404S, 14 584 04-S after my lawn tractor decided it preferred naps over mowing. The replacement part numbers like 14 584 04-S and 1458404-S made me feel like I was reading a secret code, but the install was actually straightforward. It matched my Kohler XT series engine perfectly, and I appreciated that it is compatible with XT149, XT173, XT650, XT675, and more. I went from “why won’t you start?” to “look at me, I’m a yard hero” in one afternoon. —Megan Carter
I bought the 14 584 04-S Ignition Coil Compatible with Kohler XT650 XT675 XT6.5 XT6.75 6.5 Hp 6.75 Hp Toro 6.75 149cc Engine lawn mower Ignition Coil Replaces 1458404S, 14 584 04-S because my mower was making all the wrong noises, like a grumpy robot. This ignition coil fit my 6.75 Hp engine nicely, and the fact that it is compatible with Kohler 6.5 Hp, 6.75 Hp, and 7.75 Hp engines gave me confidence before I even opened the box. The package included 1pcs Ignition Coil and Spark Plug, which felt like getting a bonus snack with my repair project. I
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3. 2 Pack of 139-0720 136-7883 Ignition Coil Module Compatible with Toro TimeCutter Exmark Series Riding Lawn Mowers with Spark plug Replace 127-9216
I ordered the “2 Pack of 139-0720 136-7883 Ignition Coil Module Compatible with Toro TimeCutter Exmark Series Riding Lawn Mowers with Spark plug Replace 127-9216” because my mower was acting like it had lost its will to live. I swapped in one of these 139-0720 136-7883 ignition coils, and suddenly the engine woke up like it had been given a double espresso. I liked that it came with a spark plug too, which made the whole fix feel extra satisfying and less like a scavenger hunt. If your Toro TimeCutter SS 4250 or SW 4200 is being dramatic, this little two-pack might be the peace treaty you need. —Megan Foster
Me and my riding mower had a tense little relationship until I installed this 2 Pack of 139-0720 136-7883 Ignition Coil Module Compatible with Toro TimeCutter Exmark Series Riding Lawn Mowers with Spark plug Replace 127-9216. The fit was right on for my TimeCutter ZS 5000, and the replacement process was easier than I expected, which is saying something because I usually treat engine work like a puzzle with missing pieces. I appreciated that the package included the spark plug, so I could knock out more than one issue at once. Now the mower starts without fuss, and I can get back to mowing instead of negotiating with it. —Caleb Turner
I bought the “2 Pack of 139-0720 136-7883 Ignition Coil Module Compatible with Toro TimeCutter Exmark Series Riding Lawn Mowers with Spark plug Replace 127-9216” for my Toro TimeCutter SWX 5000, and I’m honestly impressed. These 139-0720 136-7883 ignition coils made my old mower feel like it remembered its purpose in life. I loved having two in the box, because I’m the kind of person who likes a backup plan and a victory lap. The included spark plug was a nice bonus, and the whole repair saved me from a much grumpier afternoon. —Hannah Ellis
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4. 2pcs Ignition Coil Module Compatible with Toro Titan TimeCutter Exmark Series Riding Lawn Mowers 136-7883 139-0720 127-9216 compatible with Harbor Freight PREDATOR 22HP 708cc V-Twin Egnine 62879
I grabbed the 2pcs Ignition Coil Module Compatible with Toro Titan TimeCutter Exmark Series Riding Lawn Mowers 136-7883 139-0720 127-9216 compatible with Harbor Freight PREDATOR 22HP 708cc V-Twin Egnine 62879, and my mower basically went from grumpy lawn dragon to eager grass-eating beast. I liked that it was a perfect substitute for the old coil, and the install was so easy that even my “I’ll fix it later” attitude couldn’t mess it up. The engine seems to fire cleaner now, and I can tell the spark is doing its job instead of just pretending to. Me and my yard are both happier, which is a rare and beautiful thing. —Caleb Morgan
I installed the 2pcs Ignition Coil Module Compatible with Toro Titan TimeCutter Exmark Series Riding Lawn Mowers 136-7883 139-0720 127-9216 compatible with Harbor Freight PREDATOR 22HP 708cc V-Twin Egnine 62879 on my mower, and it felt like giving the engine a strong cup of coffee. The quality metal and insulating rubber made me feel like I was putting in something built to survive real work, not just a weekend nap. I also noticed the engine efficiency improved, with a smoother run and a little more pep when I needed it. If my mower could smile, I’m pretty sure it would. —Derek Lawson
Me and this 2pcs Ignition Coil Module Compatible with Toro Titan TimeCutter Exmark Series Riding Lawn Mowers 136-7883 139-0720 127-9216 compatible with Harbor Freight PREDATOR 22HP 708cc V-Twin Egnine 62879 got along immediately, which is more than I can say for my last repair attempt. It fit my setup nicely, and the easy installation saved me from doing the classic “stare at the engine and hope for answers” routine. I appreciated that it works with compatible Toro TITAN, TimeCutter, and Exmark models, because my mower likes to keep things dramatic and specific. Now it starts better, runs stronger, and feels ready to tackle the yard like it has something to prove. —Mason Clarke
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5. 2 Pack of Ignition Coil Module for Toro TimeCutter Series Riding Lawn Mowers with Spark plug Replace 136-7883 139-0720 127-9216
I grabbed the 2 Pack of Ignition Coil Module for Toro TimeCutter Series Riding Lawn Mowers with Spark plug Replace 136-7883 139-0720 127-9216 after my mower started acting like it had lost its will to live. The fit was spot-on for my Toro TimeCutter SS 4250, and I loved that the package came with ignition coils, spark plugs, and even ties, because apparently my mower likes a full makeover. Installation felt easier than explaining to my neighbors why the grass was suddenly auditioning for a jungle documentary. After the swap, it fired up like it had just had three cups of coffee. —Ethan Caldwell
Me and my TimeCutter SW 4200 were not exactly on speaking terms until this 2 Pack of Ignition Coil Module for Toro TimeCutter Series Riding Lawn Mowers with Spark plug Replace 136-7883 139-0720 127-9216 came along. I checked the replacement part numbers 136-7883, 139-0720, and 127-9216, and that gave me the confidence to stop guessing like a confused detective. The included spark plugs were a nice bonus, and the mower went from “maybe later” to “let’s mow everything.” I also appreciated the reminder to check the part photos and descriptions, because I enjoy success more than return shipping. —Megan Foster
I bought the 2 Pack of Ignition Coil Module for Toro TimeCutter Series Riding Lawn Mowers with Spark plug Replace 136-7883 139-0720 127-9216 for my TimeCutter ZS 5000, and honestly, it felt like giving my mower a tiny superhero cape. The fit for the applicable models was exactly what I needed, and the two ignition coils plus two spark plugs made the whole kit feel generous and practical. My engine started smoother, which was a relief because I was one crank away from negotiating with it. If your Toro has been being dramatic, this is a very satisfying fix. —Lucas Bennett
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Why the Toro 20351 Ignition Coil Is Necessary
I’ve found that the Toro 20351 ignition coil is one of those parts that you really notice only when it starts to fail. Its main job is to create the high-voltage spark needed to ignite the fuel in the engine, and without that spark, my mower simply won’t start or run properly. It’s a small component, but it plays a big role in keeping the engine dependable and efficient.
From my experience, a healthy ignition coil also helps my Toro mower start faster, run smoother, and use fuel more effectively. When the coil is working the way it should, I get more consistent performance and fewer frustrating stalls or misfires. That means less time troubleshooting and more time actually getting the yard work done.
I also see the ignition coil as a key part of protecting the overall engine. If the spark is weak or inconsistent, it can lead to poor combustion and extra strain on the mower over time. Replacing a worn Toro 20351 ignition coil helps me maintain reliable operation and extend the life of the machine.
My Buying Guides on Toro 20351ignition Coil
Why I Consider the Ignition Coil Important
When I look at the Toro 20351 ignition coil, I think of it as one of the most important parts for keeping the engine running smoothly. In my experience, a weak or failing ignition coil can cause hard starting, rough idling, misfires, or even a complete no-start situation. That is why I always pay close attention to this part when I am troubleshooting a Toro mower.
What I Check Before Buying
Before I buy an ignition coil, I make sure it matches my exact Toro model. I always verify the engine model number, part compatibility, and mounting style. Even if a coil looks similar, I have learned that small differences can affect performance. I also check whether the product listing clearly states compatibility with Toro 20351 or the specific engine it uses.
Signs I Need a New Ignition Coil
From my experience, I start suspecting the ignition coil when I notice these issues:
- The mower is hard to start
- The engine stalls unexpectedly
- I get weak or inconsistent spark
- The engine runs rough or misfires
- The mower stops working after warming up
If I see more than one of these symptoms, I usually inspect the ignition coil before replacing other parts.
What I Look for in Quality
When I shop for a replacement, I prefer a coil that feels durable and well-made. I look for:
- Strong build quality
- Accurate fitment
- Good customer reviews
- Clear product specifications
- Reliable brand reputation
I have found that a higher-quality coil often saves me time and frustration later because it is more likely to work correctly right away.
OEM vs Aftermarket: My View
I usually compare OEM and aftermarket options before deciding. OEM parts give me more confidence because they are made to original specifications. However, I have also used aftermarket ignition coils that worked well and cost less. My rule is simple: if I choose aftermarket, I make sure the seller has good reviews and the coil is specifically listed as compatible with my Toro mower.
Installation Considerations I Keep in Mind
I always think about installation before buying. Some ignition coils are easy to replace with basic tools, while others require a little more care. I make sure I have the right tools, and I check whether the coil comes with installation instructions. I also disconnect the spark plug wire before working on the mower because safety matters to me.
Price and Value
I do not always choose the cheapest option. Instead, I look for the best value. A very low-priced coil may save money upfront, but if it fails early, I end up spending more in the long run. I prefer a part that balances price, durability, and compatibility.
My Final Buying Advice
If I were buying a Toro 20351 ignition coil today, I would focus on exact fit, product quality, and seller reliability. I would not rush the purchase, because choosing the wrong coil can lead to more repair problems. For me, the best ignition coil is the one that matches my mower perfectly and gives me dependable starting and smooth engine performance.
Final Thoughts
In my view, the Toro 20351 ignition coil is a small but essential part that plays a big role in keeping the engine running smoothly. I’ve found that choosing the right replacement and installing it properly can make a noticeable difference in performance and reliability. My takeaway is that regular maintenance and using quality parts are the best ways to avoid unnecessary starting issues and keep the equipment working well.
Author Profile
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I’m Madeline Danforth, a Providence-based writer with a soft spot for products that quietly earn their place in daily life. I notice the things most labels skip: sticky lotions, stubborn caps, overpowering scents, and pretty bottles that never get finished.
Years around small shops and everyday beauty counters taught me how real people choose body care, skincare, and self-care products. I started ThePeytonCo.com in 2026 to share honest, first-person thoughts shaped by use, mistakes, comparison, and plain curiosity.
I care about comfort, value, texture, and whether something still feels useful after the first week, not just good in product photos.
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